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Added STM32F4-Discovery utilities

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jnosky 2011-11-12 16:17:03 -05:00
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<h1 style="margin-bottom: 18pt; text-align: center;" align="center"><span style="font-size: 20pt; font-family: Verdana; color: rgb(51, 102, 255);">Release
Notes for STM32F4-Discovery Board Drivers</span><span style="font-size: 20pt; font-family: Verdana;"><o:p></o:p></span></h1>
<p class="MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: Arial; color: black;">Copyright
2011 STMicroelectronics</span><span style="color: black;"><u1:p></u1:p><o:p></o:p></span></p>
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<h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;"><span style="font-size: 12pt; color: white;">Contents<o:p></o:p></span></h2>
<ol style="margin-top: 0cm;" start="1" type="1">
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;"><a href="#History">STM32F4-Discovery Board&nbsp;Drivers&nbsp;update History</a><o:p></o:p></span></li>
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;"><a href="#License">License</a><o:p></o:p></span></li>
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<h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;"><a name="History"></a><span style="font-size: 12pt; color: white;">STM32F4-Discovery Board Drivers&nbsp;update History</span></h2><div style="margin-left: 40px;"><span style="font-size: 10pt; font-family: Verdana;">For more information on the STM32F4-Discovery board&nbsp;visit <a href="http://www.st.com/stm32f4-discovery" target="_blank">www.st.com/stm32f4-discovery</a>.</span></div><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 186px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.0 / 19-September-2011</span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
Changes<o:p></o:p></span></u></b></p>
<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">First official version of the<span style="font-weight: bold; font-style: italic;"> STM32F4-Discovery Board&nbsp;Drivers</span></span></li></ul><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;"></span></span><br><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"></span><h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;"><a name="License"></a><span style="font-size: 12pt; color: white;">License<o:p></o:p></span></h2>
<p class="MsoNormal" style="margin: 4.5pt 0cm;"><span style="font-size: 10pt; font-family: Verdana; color: black;">The
enclosed firmware and all the related documentation are not covered by
a License Agreement, if you need such License you can contact your
local STMicroelectronics office.<u1:p></u1:p><o:p></o:p></span></p>
<b><span style="font-size: 10pt; font-family: Verdana; color: black;">THE
PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO
SAVE TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR
ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY
CLAIMS ARISING FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY
CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH
THEIR PRODUCTS.</span></b>
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<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt; text-align: center;" align="center"><span style="font-size: 10pt; font-family: Verdana; color: black;">For
complete documentation on </span><span style="font-size: 10pt; font-family: Verdana;">STMicroelectronics<span style="color: black;"> Microcontrollers visit </span><a target="_blank" href="http://www.st.com/internet/mcu/family/141.jsp"><u><span style="color: blue;">www.st.com</span></u></a></span><span style="font-size: 10pt; font-family: Verdana;"><u><span style="color: blue;"><a href="http://www.st.com/stm32l" target="_blank"></a></span></u></span><span style="color: black;"><o:p></o:p></span></p>
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/**
******************************************************************************
* @file stm32f4_discovery.c
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief This file provides set of firmware functions to manage Leds and
* push-button available on STM32F4-Discovery Kit from STMicroelectronics.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4_discovery.h"
//ADDED BY ME!!!!!!!!!!!!!!!!!!!!
#include "stm32f4xx_conf.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32F4_DISCOVERY
* @{
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL
* @brief This file provides set of firmware functions to manage Leds and push-button
* available on STM32F4-Discovery Kit from STMicroelectronics.
* @{
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Variables
* @{
*/
GPIO_TypeDef* GPIO_PORT[LEDn] = {LED4_GPIO_PORT, LED3_GPIO_PORT, LED5_GPIO_PORT,
LED6_GPIO_PORT};
const uint16_t GPIO_PIN[LEDn] = {LED4_PIN, LED3_PIN, LED5_PIN,
LED6_PIN};
const uint32_t GPIO_CLK[LEDn] = {LED4_GPIO_CLK, LED3_GPIO_CLK, LED5_GPIO_CLK,
LED6_GPIO_CLK};
GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {USER_BUTTON_GPIO_PORT };
const uint16_t BUTTON_PIN[BUTTONn] = {USER_BUTTON_PIN };
const uint32_t BUTTON_CLK[BUTTONn] = {USER_BUTTON_GPIO_CLK };
const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {USER_BUTTON_EXTI_LINE };
const uint8_t BUTTON_PORT_SOURCE[BUTTONn] = {USER_BUTTON_EXTI_PORT_SOURCE};
const uint8_t BUTTON_PIN_SOURCE[BUTTONn] = {USER_BUTTON_EXTI_PIN_SOURCE };
const uint8_t BUTTON_IRQn[BUTTONn] = {USER_BUTTON_EXTI_IRQn };
NVIC_InitTypeDef NVIC_InitStructure;
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Private_Functions
* @{
*/
/**
* @brief Configures LED GPIO.
* @param Led: Specifies the Led to be configured.
* This parameter can be one of following parameters:
* @arg LED4
* @arg LED3
* @arg LED5
* @arg LED6
* @retval None
*/
void STM_EVAL_LEDInit(Led_TypeDef Led)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable the GPIO_LED Clock */
RCC_AHB1PeriphClockCmd(GPIO_CLK[Led], ENABLE);
/* Configure the GPIO_LED pin */
GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Led];
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIO_PORT[Led], &GPIO_InitStructure);
}
/**
* @brief Turns selected LED On.
* @param Led: Specifies the Led to be set on.
* This parameter can be one of following parameters:
* @arg LED4
* @arg LED3
* @arg LED5
* @arg LED6
* @retval None
*/
void STM_EVAL_LEDOn(Led_TypeDef Led)
{
GPIO_PORT[Led]->BSRRL = GPIO_PIN[Led];
}
/**
* @brief Turns selected LED Off.
* @param Led: Specifies the Led to be set off.
* This parameter can be one of following parameters:
* @arg LED4
* @arg LED3
* @arg LED5
* @arg LED6
* @retval None
*/
void STM_EVAL_LEDOff(Led_TypeDef Led)
{
GPIO_PORT[Led]->BSRRH = GPIO_PIN[Led];
}
/**
* @brief Toggles the selected LED.
* @param Led: Specifies the Led to be toggled.
* This parameter can be one of following parameters:
* @arg LED4
* @arg LED3
* @arg LED5
* @arg LED6
* @retval None
*/
void STM_EVAL_LEDToggle(Led_TypeDef Led)
{
GPIO_PORT[Led]->ODR ^= GPIO_PIN[Led];
}
/**
* @brief Configures Button GPIO and EXTI Line.
* @param Button: Specifies the Button to be configured.
* This parameter should be: BUTTON_USER
* @param Button_Mode: Specifies Button mode.
* This parameter can be one of following parameters:
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
* generation capability
* @retval None
*/
void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the BUTTON Clock */
RCC_AHB1PeriphClockCmd(BUTTON_CLK[Button], ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure Button pin as input */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);
if (Button_Mode == BUTTON_MODE_EXTI)
{
/* Connect Button EXTI Line to Button GPIO Pin */
SYSCFG_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);
/* Configure Button EXTI line */
EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set Button EXTI Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button];
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
}
/**
* @brief Returns the selected Button state.
* @param Button: Specifies the Button to be checked.
* This parameter should be: BUTTON_USER
* @retval The Button GPIO pin value.
*/
uint32_t STM_EVAL_PBGetState(Button_TypeDef Button)
{
return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f4_discovery.h
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief This file contains definitions for STM32F4-Discovery Kit's Leds and
* push-button hardware resources.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4_DISCOVERY_H
#define __STM32F4_DISCOVERY_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32F4_DISCOVERY
* @{
*/
/** @addtogroup STM32F4_DISCOVERY_LOW_LEVEL
* @{
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Types
* @{
*/
typedef enum
{
LED4 = 0,
LED3 = 1,
LED5 = 2,
LED6 = 3
} Led_TypeDef;
typedef enum
{
BUTTON_USER = 0,
} Button_TypeDef;
typedef enum
{
BUTTON_MODE_GPIO = 0,
BUTTON_MODE_EXTI = 1
} ButtonMode_TypeDef;
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Constants
* @{
*/
/** @addtogroup STM32F4_DISCOVERY_LOW_LEVEL_LED
* @{
*/
#define LEDn 4
#define LED4_PIN GPIO_Pin_12
#define LED4_GPIO_PORT GPIOD
#define LED4_GPIO_CLK RCC_AHB1Periph_GPIOD
#define LED3_PIN GPIO_Pin_13
#define LED3_GPIO_PORT GPIOD
#define LED3_GPIO_CLK RCC_AHB1Periph_GPIOD
#define LED5_PIN GPIO_Pin_14
#define LED5_GPIO_PORT GPIOD
#define LED5_GPIO_CLK RCC_AHB1Periph_GPIOD
#define LED6_PIN GPIO_Pin_15
#define LED6_GPIO_PORT GPIOD
#define LED6_GPIO_CLK RCC_AHB1Periph_GPIOD
/**
* @}
*/
/** @addtogroup STM32F4_DISCOVERY_LOW_LEVEL_BUTTON
* @{
*/
#define BUTTONn 1
/**
* @brief Wakeup push-button
*/
#define USER_BUTTON_PIN GPIO_Pin_0
#define USER_BUTTON_GPIO_PORT GPIOA
#define USER_BUTTON_GPIO_CLK RCC_AHB1Periph_GPIOA
#define USER_BUTTON_EXTI_LINE EXTI_Line0
#define USER_BUTTON_EXTI_PORT_SOURCE EXTI_PortSourceGPIOA
#define USER_BUTTON_EXTI_PIN_SOURCE EXTI_PinSource0
#define USER_BUTTON_EXTI_IRQn EXTI0_IRQn
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LOW_LEVEL_Exported_Functions
* @{
*/
void STM_EVAL_LEDInit(Led_TypeDef Led);
void STM_EVAL_LEDOn(Led_TypeDef Led);
void STM_EVAL_LEDOff(Led_TypeDef Led);
void STM_EVAL_LEDToggle(Led_TypeDef Led);
void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode);
uint32_t STM_EVAL_PBGetState(Button_TypeDef Button);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F4_DISCOVERY_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f4_discovery_audio_codec.h
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief This file contains all the functions prototypes for the
* stm32f4_discovery_audio_codec.c driver.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4_DISCOVERY_AUDIOCODEC_H
#define __STM32F4_DISCOVERY_AUDIOCODEC_H
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
#include "stm32f4xx_gpio.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32F4_DISCOVERY
* @{
*/
/** @defgroup STM32F4_DISCOVERY_AUDIO_CODEC
* @{
*/
/** @defgroup STM32F4_DISCOVERY_AUDIO_CODEC_Exported_Types
* @{
*/
/** @defgroup STM32F4_DISCOVERY_AUDIO_CODEC_Exported_Constants
* @{
*/
/*------------------------------------
CONFIGURATION: Audio Codec Driver Configuration parameters
----------------------------------------*/
#define I2S_INTERRUPT
/* Audio Transfer mode (DMA, Interrupt or Polling) */
#define AUDIO_MAL_MODE_NORMAL /* Uncomment this line to enable the audio
Transfer using DMA */
/* #define AUDIO_MAL_MODE_CIRCULAR */ /* Uncomment this line to enable the audio
Transfer using DMA */
/* For the DMA modes select the interrupt that will be used */
#define AUDIO_MAL_DMA_IT_TC_EN /* Uncomment this line to enable DMA Transfer Complete interrupt */
/* #define AUDIO_MAL_DMA_IT_HT_EN */ /* Uncomment this line to enable DMA Half Transfer Complete interrupt */
/* #define AUDIO_MAL_DMA_IT_TE_EN */ /* Uncomment this line to enable DMA Transfer Error interrupt */
/* Select the interrupt preemption priority and subpriority for the DMA interrupt */
#define EVAL_AUDIO_IRQ_PREPRIO 0 /* Select the preemption priority level(0 is the highest) */
#define EVAL_AUDIO_IRQ_SUBRIO 0 /* Select the sub-priority level (0 is the highest) */
/* Uncomment the following line to use the default Codec_TIMEOUT_UserCallback()
function implemented in stm32f4_discovery_audio_codec.c file.
Codec_TIMEOUT_UserCallback() function is called whenever a timeout condition
occurs during communication (waiting on an event that doesn't occur, bus
errors, busy devices ...). */
/* #define USE_DEFAULT_TIMEOUT_CALLBACK */
/* Enable this define to use the I2S DMA for writing into DAC register */
//#define DAC_USE_I2S_DMA
/*----------------------------------------------------------------------------*/
/*------------------------------------
OPTIONAL Configuration defines parameters
----------------------------------------*/
/* I2C clock speed configuration (in Hz)
WARNING:
Make sure that this define is not already declared in other files (ie.
stm322xg_eval.h file). It can be used in parallel by other modules. */
#ifndef I2C_SPEED
#define I2C_SPEED 100000
#endif /* I2C_SPEED */
/* Uncomment defines below to select standard for audio communication between
Codec and I2S peripheral */
#define I2S_STANDARD_PHILLIPS
/* #define I2S_STANDARD_MSB */
/* #define I2S_STANDARD_LSB */
/* Uncomment the defines below to select if the Master clock mode should be
enabled or not */
#define CODEC_MCLK_ENABLED
/* #deine CODEC_MCLK_DISABLED */
/* Uncomment this line to enable verifying data sent to codec after each write
operation */
#define VERIFY_WRITTENDATA
/*----------------------------------------------------------------------------*/
/*-----------------------------------
Hardware Configuration defines parameters
-----------------------------------------*/
/* Audio Reset Pin definition */
#define AUDIO_RESET_GPIO_CLK RCC_AHB1Periph_GPIOD
#define AUDIO_RESET_PIN GPIO_Pin_4
#define AUDIO_RESET_GPIO GPIOD
/* I2S peripheral configuration defines */
#define CODEC_I2S SPI3
#define CODEC_I2S_CLK RCC_APB1Periph_SPI3
#define CODEC_I2S_ADDRESS 0x40003C0C
#define CODEC_I2S_GPIO_AF GPIO_AF_SPI3
#define CODEC_I2S_IRQ SPI3_IRQn
#define CODEC_I2S_GPIO_CLOCK (RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOA)
#define CODEC_I2S_WS_PIN GPIO_Pin_4
#define CODEC_I2S_SCK_PIN GPIO_Pin_10
#define CODEC_I2S_SD_PIN GPIO_Pin_12
#define CODEC_I2S_MCK_PIN GPIO_Pin_7
#define CODEC_I2S_WS_PINSRC GPIO_PinSource4
#define CODEC_I2S_SCK_PINSRC GPIO_PinSource10
#define CODEC_I2S_SD_PINSRC GPIO_PinSource12
#define CODEC_I2S_MCK_PINSRC GPIO_PinSource7
#define CODEC_I2S_GPIO GPIOC
#define CODEC_I2S_WS_GPIO GPIOA
#define CODEC_I2S_MCK_GPIO GPIOC
#define Audio_I2S_IRQHandler SPI3_IRQHandler
#define AUDIO_MAL_DMA_PERIPH_DATA_SIZE DMA_PeripheralDataSize_HalfWord
#define AUDIO_MAL_DMA_MEM_DATA_SIZE DMA_MemoryDataSize_HalfWord
#define DMA_MAX_SZE 0xFFFF
#define DAC_DHR12L1_ADDRESS 0x4000740C
#define DAC_DHR12R1_ADDRESS 0x40007408
#define DAC_DHR8R1_ADDRESS 0x40007410
#define AUDIO_DAC_CHANNEL DAC_Channel_1
/* I2S DMA Stream definitions */
#define AUDIO_I2S_DMA_CLOCK RCC_AHB1Periph_DMA1
#define AUDIO_I2S_DMA_STREAM DMA1_Stream7
#define AUDIO_I2S_DMA_DREG CODEC_I2S_ADDRESS
#define AUDIO_I2S_DMA_CHANNEL DMA_Channel_0
#define AUDIO_I2S_DMA_IRQ DMA1_Stream7_IRQn
#define AUDIO_I2S_DMA_FLAG_TC DMA_FLAG_TCIF7
#define AUDIO_I2S_DMA_FLAG_HT DMA_FLAG_HTIF7
#define AUDIO_I2S_DMA_FLAG_FE DMA_FLAG_FEIF7
#define AUDIO_I2S_DMA_FLAG_TE DMA_FLAG_TEIF7
#define AUDIO_I2S_DMA_FLAG_DME DMA_FLAG_DMEIF7
#define Audio_MAL_I2S_IRQHandler DMA1_Stream7_IRQHandler
/* DAC DMA Stream definitions */
#define AUDIO_DAC_DMA_CLOCK RCC_AHB1Periph_DMA1
#define AUDIO_DAC_DMA_STREAM DMA1_Stream0
#define AUDIO_DAC_DMA_DREG DAC_DHR12L1_ADDRESS
#define AUDIO_DAC_DMA_CHANNEL DMA_Channel_0
#define AUDIO_DAC_DMA_IRQ DMA1_Stream0_IRQn
#define AUDIO_DAC_DMA_FLAG_TC DMA_FLAG_TCIF0
#define AUDIO_DAC_DMA_FLAG_HT DMA_FLAG_HTIF0
#define AUDIO_DAC_DMA_FLAG_FE DMA_FLAG_FEIF0
#define AUDIO_DAC_DMA_FLAG_TE DMA_FLAG_TEIF0
#define AUDIO_DAC_DMA_FLAG_DME DMA_FLAG_DMEIF0
#define Audio_MAL_DAC_IRQHandler DMA1_Stream0_IRQHandler
/* I2C peripheral configuration defines (control interface of the audio codec) */
#define CODEC_I2C I2C1
#define CODEC_I2C_CLK RCC_APB1Periph_I2C1
#define CODEC_I2C_GPIO_CLOCK RCC_AHB1Periph_GPIOB
#define CODEC_I2C_GPIO_AF GPIO_AF_I2C1
#define CODEC_I2C_GPIO GPIOB
#define CODEC_I2C_SCL_PIN GPIO_Pin_6
#define CODEC_I2C_SDA_PIN GPIO_Pin_9
#define CODEC_I2S_SCL_PINSRC GPIO_PinSource6
#define CODEC_I2S_SDA_PINSRC GPIO_PinSource9
/* Maximum Timeout values for flags and events waiting loops. These timeouts are
not based on accurate values, they just guarantee that the application will
not remain stuck if the I2C communication is corrupted.
You may modify these timeout values depending on CPU frequency and application
conditions (interrupts routines ...). */
#define CODEC_FLAG_TIMEOUT ((uint32_t)0x1000)
#define CODEC_LONG_TIMEOUT ((uint32_t)(300 * CODEC_FLAG_TIMEOUT))
/*----------------------------------------------------------------------------*/
/*-----------------------------------
Audio Codec User defines
-----------------------------------------*/
/* Audio interface : I2S or DAC */
#define AUDIO_INTERFACE_I2S 1
#define AUDIO_INTERFACE_DAC 2
/* Codec output DEVICE */
#define OUTPUT_DEVICE_SPEAKER 1
#define OUTPUT_DEVICE_HEADPHONE 2
#define OUTPUT_DEVICE_BOTH 3
#define OUTPUT_DEVICE_AUTO 4
/* Volume Levels values */
#define DEFAULT_VOLMIN 0x00
#define DEFAULT_VOLMAX 0xFF
#define DEFAULT_VOLSTEP 0x04
#define AUDIO_PAUSE 0
#define AUDIO_RESUME 1
/* Codec POWER DOWN modes */
#define CODEC_PDWN_HW 1
#define CODEC_PDWN_SW 2
/* MUTE commands */
#define AUDIO_MUTE_ON 1
#define AUDIO_MUTE_OFF 0
/*----------------------------------------------------------------------------*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_AUDIO_CODEC_Exported_Macros
* @{
*/
#define VOLUME_CONVERT(x) ((Volume > 100)? 100:((uint8_t)((Volume * 255) / 100)))
#define DMA_MAX(x) (((x) <= DMA_MAX_SZE)? (x):DMA_MAX_SZE)
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_AUDIO_CODEC_Exported_Functions
* @{
*/
void EVAL_AUDIO_SetAudioInterface(uint32_t Interface);
uint32_t EVAL_AUDIO_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq);
uint32_t EVAL_AUDIO_DeInit(void);
uint32_t EVAL_AUDIO_Play(uint16_t* pBuffer, uint32_t Size);
uint32_t EVAL_AUDIO_PauseResume(uint32_t Cmd);
uint32_t EVAL_AUDIO_Stop(uint32_t CodecPowerDown_Mode);
uint32_t EVAL_AUDIO_VolumeCtl(uint8_t Volume);
uint32_t EVAL_AUDIO_Mute(uint32_t Command);
void DAC_Config(void);
/* User Callbacks: user has to implement these functions in his code if
they are needed. -----------------------------------------------------------*/
uint16_t EVAL_AUDIO_GetSampleCallBack(void);
/* This function is called when the requested data has been completely transferred.
In Normal mode (when the define AUDIO_MAL_MODE_NORMAL is enabled) this function
is called at the end of the whole audio file.
In circular mode (when the define AUDIO_MAL_MODE_CIRCULAR is enabled) this
function is called at the end of the current buffer transmission. */
void EVAL_AUDIO_TransferComplete_CallBack(uint32_t pBuffer, uint32_t Size);
/* This function is called when half of the requested buffer has been transferred
This callback is useful in Circular mode only (when AUDIO_MAL_MODE_CIRCULAR
define is enabled)*/
void EVAL_AUDIO_HalfTransfer_CallBack(uint32_t pBuffer, uint32_t Size);
/* This function is called when an Interrupt due to transfer error on or peripheral
error occurs. */
void EVAL_AUDIO_Error_CallBack(void* pData);
/* Codec_TIMEOUT_UserCallback() function is called whenever a timeout condition
occurs during communication (waiting on an event that doesn't occur, bus
errors, busy devices ...) on the Codec control interface (I2C).
You can use the default timeout callback implementation by uncommenting the
define USE_DEFAULT_TIMEOUT_CALLBACK in stm32f4_discovery_audio_codec.h file.
Typically the user implementation of this callback should reset I2C peripheral
and re-initialize communication or in worst case reset all the application. */
uint32_t Codec_TIMEOUT_UserCallback(void);
#endif /* __STM32F4_DISCOVERY_AUDIOCODEC_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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example/stm32f4/Utilities/STM32F4-Discovery/stm32f4_discovery_lis302dl.c 100644
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/**
******************************************************************************
* @file stm32f4_discovery_lis302dl.c
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief This file provides a set of functions needed to manage the LIS302DL
* MEMS accelerometer available on STM32F4-Discovery Kit.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4_discovery_lis302dl.h"
//ADDED BY ME!!!!!!!!!!!!!!!!!!!!
#include "stm32f4xx_conf.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32F4_DISCOVERY
* @{
*/
/** @addtogroup STM32F4_DISCOVERY_LIS302DL
* @{
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Private_Defines
* @{
*/
__IO uint32_t LIS302DLTimeout = LIS302DL_FLAG_TIMEOUT;
/* Read/Write command */
#define READWRITE_CMD ((uint8_t)0x80)
/* Multiple byte read/write command */
#define MULTIPLEBYTE_CMD ((uint8_t)0x40)
/* Dummy Byte Send by the SPI Master device in order to generate the Clock to the Slave device */
#define DUMMY_BYTE ((uint8_t)0x00)
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Private_FunctionPrototypes
* @{
*/
static uint8_t LIS302DL_SendByte(uint8_t byte);
static void LIS302DL_LowLevel_Init(void);
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Private_Functions
* @{
*/
/**
* @brief Set LIS302DL Initialization.
* @param LIS302DL_Config_Struct: pointer to a LIS302DL_Config_TypeDef structure
* that contains the configuration setting for the LIS302DL.
* @retval None
*/
void LIS302DL_Init(LIS302DL_InitTypeDef *LIS302DL_InitStruct)
{
uint8_t ctrl = 0x00;
/* Configure the low level interface ---------------------------------------*/
LIS302DL_LowLevel_Init();
/* Configure MEMS: data rate, power mode, full scale, self test and axes */
ctrl = (uint8_t) (LIS302DL_InitStruct->Output_DataRate | LIS302DL_InitStruct->Power_Mode | \
LIS302DL_InitStruct->Full_Scale | LIS302DL_InitStruct->Self_Test | \
LIS302DL_InitStruct->Axes_Enable);
/* Write value to MEMS CTRL_REG1 regsister */
LIS302DL_Write(&ctrl, LIS302DL_CTRL_REG1_ADDR, 1);
}
/**
* @brief Set LIS302DL Internal High Pass Filter configuration.
* @param LIS302DL_Filter_ConfigTypeDef: pointer to a LIS302DL_FilterConfig_TypeDef
* structure that contains the configuration setting for the LIS302DL Filter.
* @retval None
*/
void LIS302DL_FilterConfig(LIS302DL_FilterConfigTypeDef *LIS302DL_FilterConfigStruct)
{
uint8_t ctrl = 0x00;
/* Read CTRL_REG2 register */
LIS302DL_Read(&ctrl, LIS302DL_CTRL_REG2_ADDR, 1);
/* Clear high pass filter cut-off level, interrupt and data selection bits*/
ctrl &= (uint8_t)~(LIS302DL_FILTEREDDATASELECTION_OUTPUTREGISTER | \
LIS302DL_HIGHPASSFILTER_LEVEL_3 | \
LIS302DL_HIGHPASSFILTERINTERRUPT_1_2);
/* Configure MEMS high pass filter cut-off level, interrupt and data selection bits */
ctrl |= (uint8_t)(LIS302DL_FilterConfigStruct->HighPassFilter_Data_Selection | \
LIS302DL_FilterConfigStruct->HighPassFilter_CutOff_Frequency | \
LIS302DL_FilterConfigStruct->HighPassFilter_Interrupt);
/* Write value to MEMS CTRL_REG2 register */
LIS302DL_Write(&ctrl, LIS302DL_CTRL_REG2_ADDR, 1);
}
/**
* @brief Set LIS302DL Interrupt configuration
* @param LIS302DL_InterruptConfig_TypeDef: pointer to a LIS302DL_InterruptConfig_TypeDef
* structure that contains the configuration setting for the LIS302DL Interrupt.
* @retval None
*/
void LIS302DL_InterruptConfig(LIS302DL_InterruptConfigTypeDef *LIS302DL_IntConfigStruct)
{
uint8_t ctrl = 0x00;
/* Read CLICK_CFG register */
LIS302DL_Read(&ctrl, LIS302DL_CLICK_CFG_REG_ADDR, 1);
/* Configure latch Interrupt request, click interrupts and double click interrupts */
ctrl = (uint8_t)(LIS302DL_IntConfigStruct->Latch_Request| \
LIS302DL_IntConfigStruct->SingleClick_Axes | \
LIS302DL_IntConfigStruct->DoubleClick_Axes);
/* Write value to MEMS CLICK_CFG register */
LIS302DL_Write(&ctrl, LIS302DL_CLICK_CFG_REG_ADDR, 1);
}
/**
* @brief Change the lowpower mode for LIS302DL
* @param LowPowerMode: new state for the lowpower mode.
* This parameter can be one of the following values:
* @arg LIS302DL_LOWPOWERMODE_POWERDOWN: Power down mode
* @arg LIS302DL_LOWPOWERMODE_ACTIVE: Active mode
* @retval None
*/
void LIS302DL_LowpowerCmd(uint8_t LowPowerMode)
{
uint8_t tmpreg;
/* Read CTRL_REG1 register */
LIS302DL_Read(&tmpreg, LIS302DL_CTRL_REG1_ADDR, 1);
/* Set new low power mode configuration */
tmpreg &= (uint8_t)~LIS302DL_LOWPOWERMODE_ACTIVE;
tmpreg |= LowPowerMode;
/* Write value to MEMS CTRL_REG1 regsister */
LIS302DL_Write(&tmpreg, LIS302DL_CTRL_REG1_ADDR, 1);
}
/**
* @brief Data Rate command
* @param DataRateValue: Data rate value
* This parameter can be one of the following values:
* @arg LIS302DL_DATARATE_100: 100 Hz output data rate
* @arg LIS302DL_DATARATE_400: 400 Hz output data rate
* @retval None
*/
void LIS302DL_DataRateCmd(uint8_t DataRateValue)
{
uint8_t tmpreg;
/* Read CTRL_REG1 register */
LIS302DL_Read(&tmpreg, LIS302DL_CTRL_REG1_ADDR, 1);
/* Set new Data rate configuration */
tmpreg &= (uint8_t)~LIS302DL_DATARATE_400;
tmpreg |= DataRateValue;
/* Write value to MEMS CTRL_REG1 regsister */
LIS302DL_Write(&tmpreg, LIS302DL_CTRL_REG1_ADDR, 1);
}
/**
* @brief Change the Full Scale of LIS302DL
* @param FS_value: new full scale value.
* This parameter can be one of the following values:
* @arg LIS302DL_FULLSCALE_2_3: +-2.3g
* @arg LIS302DL_FULLSCALE_9_2: +-9.2g
* @retval None
*/
void LIS302DL_FullScaleCmd(uint8_t FS_value)
{
uint8_t tmpreg;
/* Read CTRL_REG1 register */
LIS302DL_Read(&tmpreg, LIS302DL_CTRL_REG1_ADDR, 1);
/* Set new full scale configuration */
tmpreg &= (uint8_t)~LIS302DL_FULLSCALE_9_2;
tmpreg |= FS_value;
/* Write value to MEMS CTRL_REG1 regsister */
LIS302DL_Write(&tmpreg, LIS302DL_CTRL_REG1_ADDR, 1);
}
/**
* @brief Reboot memory content of LIS302DL
* @param None
* @retval None
*/
void LIS302DL_RebootCmd(void)
{
uint8_t tmpreg;
/* Read CTRL_REG2 register */
LIS302DL_Read(&tmpreg, LIS302DL_CTRL_REG2_ADDR, 1);
/* Enable or Disable the reboot memory */
tmpreg |= LIS302DL_BOOT_REBOOTMEMORY;
/* Write value to MEMS CTRL_REG2 regsister */
LIS302DL_Write(&tmpreg, LIS302DL_CTRL_REG2_ADDR, 1);
}
/**
* @brief Writes one byte to the LIS302DL.
* @param pBuffer : pointer to the buffer containing the data to be written to the LIS302DL.
* @param WriteAddr : LIS302DL's internal address to write to.
* @param NumByteToWrite: Number of bytes to write.
* @retval None
*/
void LIS302DL_Write(uint8_t* pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite)
{
/* Configure the MS bit:
- When 0, the address will remain unchanged in multiple read/write commands.
- When 1, the address will be auto incremented in multiple read/write commands.
*/
if(NumByteToWrite > 0x01)
{
WriteAddr |= (uint8_t)MULTIPLEBYTE_CMD;
}
/* Set chip select Low at the start of the transmission */
LIS302DL_CS_LOW();
/* Send the Address of the indexed register */
LIS302DL_SendByte(WriteAddr);
/* Send the data that will be written into the device (MSB First) */
while(NumByteToWrite >= 0x01)
{
LIS302DL_SendByte(*pBuffer);
NumByteToWrite--;
pBuffer++;
}
/* Set chip select High at the end of the transmission */
LIS302DL_CS_HIGH();
}
/**
* @brief Reads a block of data from the LIS302DL.
* @param pBuffer : pointer to the buffer that receives the data read from the LIS302DL.
* @param ReadAddr : LIS302DL's internal address to read from.
* @param NumByteToRead : number of bytes to read from the LIS302DL.
* @retval None
*/
void LIS302DL_Read(uint8_t* pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead)
{
if(NumByteToRead > 0x01)
{
ReadAddr |= (uint8_t)(READWRITE_CMD | MULTIPLEBYTE_CMD);
}
else
{
ReadAddr |= (uint8_t)READWRITE_CMD;
}
/* Set chip select Low at the start of the transmission */
LIS302DL_CS_LOW();
/* Send the Address of the indexed register */
LIS302DL_SendByte(ReadAddr);
/* Receive the data that will be read from the device (MSB First) */
while(NumByteToRead > 0x00)
{
/* Send dummy byte (0x00) to generate the SPI clock to LIS302DL (Slave device) */
*pBuffer = LIS302DL_SendByte(DUMMY_BYTE);
NumByteToRead--;
pBuffer++;
}
/* Set chip select High at the end of the transmission */
LIS302DL_CS_HIGH();
}
/**
* @brief Read LIS302DL output register, and calculate the acceleration
* ACC[mg]=SENSITIVITY* (out_h*256+out_l)/16 (12 bit rappresentation)
* @param s16 buffer to store data
* @retval None
*/
void LIS302DL_ReadACC(int32_t* out)
{
uint8_t buffer[6];
uint8_t crtl, i = 0x00;
LIS302DL_Read(&crtl, LIS302DL_CTRL_REG1_ADDR, 1);
LIS302DL_Read(buffer, LIS302DL_OUT_X_ADDR, 6);
switch(crtl & 0x20)
{
/* FS bit = 0 ==> Sensitivity typical value = 18milligals/digit*/
case 0x00:
for(i=0; i<0x03; i++)
{
*out =(int32_t)(LIS302DL_SENSITIVITY_2_3G * (int8_t)buffer[2*i]);
out++;
}
break;
/* FS bit = 1 ==> Sensitivity typical value = 72milligals/digit*/
case 0x20:
for(i=0; i<0x03; i++)
{
*out =(int32_t)(LIS302DL_SENSITIVITY_9_2G * (int8_t)buffer[2*i]);
out++;
}
break;
default:
break;
}
}
/**
* @brief Initializes the low level interface used to drive the LIS302DL
* @param None
* @retval None
*/
static void LIS302DL_LowLevel_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
/* Enable the SPI periph */
RCC_APB2PeriphClockCmd(LIS302DL_SPI_CLK, ENABLE);
/* Enable SCK, MOSI and MISO GPIO clocks */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_SCK_GPIO_CLK | LIS302DL_SPI_MISO_GPIO_CLK | LIS302DL_SPI_MOSI_GPIO_CLK, ENABLE);
/* Enable CS GPIO clock */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_CS_GPIO_CLK, ENABLE);
/* Enable INT1 GPIO clock */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_INT1_GPIO_CLK, ENABLE);
/* Enable INT2 GPIO clock */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_INT2_GPIO_CLK, ENABLE);
GPIO_PinAFConfig(LIS302DL_SPI_SCK_GPIO_PORT, LIS302DL_SPI_SCK_SOURCE, LIS302DL_SPI_SCK_AF);
GPIO_PinAFConfig(LIS302DL_SPI_MISO_GPIO_PORT, LIS302DL_SPI_MISO_SOURCE, LIS302DL_SPI_MISO_AF);
GPIO_PinAFConfig(LIS302DL_SPI_MOSI_GPIO_PORT, LIS302DL_SPI_MOSI_SOURCE, LIS302DL_SPI_MOSI_AF);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* SPI SCK pin configuration */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_SCK_PIN;
GPIO_Init(LIS302DL_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
/* SPI MOSI pin configuration */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_MOSI_PIN;
GPIO_Init(LIS302DL_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
/* SPI MISO pin configuration */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_MISO_PIN;
GPIO_Init(LIS302DL_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
/* SPI configuration -------------------------------------------------------*/
SPI_I2S_DeInit(LIS302DL_SPI);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_Init(LIS302DL_SPI, &SPI_InitStructure);
/* Enable SPI1 */
SPI_Cmd(LIS302DL_SPI, ENABLE);
/* Configure GPIO PIN for Lis Chip select */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_CS_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(LIS302DL_SPI_CS_GPIO_PORT, &GPIO_InitStructure);
/* Deselect : Chip Select high */
GPIO_SetBits(LIS302DL_SPI_CS_GPIO_PORT, LIS302DL_SPI_CS_PIN);
/* Configure GPIO PINs to detect Interrupts */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_INT1_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(LIS302DL_SPI_INT1_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_INT2_PIN;
GPIO_Init(LIS302DL_SPI_INT2_GPIO_PORT, &GPIO_InitStructure);
}
/**
* @brief Sends a Byte through the SPI interface and return the Byte received
* from the SPI bus.
* @param Byte : Byte send.
* @retval The received byte value
*/
static uint8_t LIS302DL_SendByte(uint8_t byte)
{
/* Loop while DR register in not emplty */
LIS302DLTimeout = LIS302DL_FLAG_TIMEOUT;
while (SPI_I2S_GetFlagStatus(LIS302DL_SPI, SPI_I2S_FLAG_TXE) == RESET)
{
if((LIS302DLTimeout--) == 0) return LIS302DL_TIMEOUT_UserCallback();
}
/* Send a Byte through the SPI peripheral */
SPI_I2S_SendData(LIS302DL_SPI, byte);
/* Wait to receive a Byte */
LIS302DLTimeout = LIS302DL_FLAG_TIMEOUT;
while (SPI_I2S_GetFlagStatus(LIS302DL_SPI, SPI_I2S_FLAG_RXNE) == RESET)
{
if((LIS302DLTimeout--) == 0) return LIS302DL_TIMEOUT_UserCallback();
}
/* Return the Byte read from the SPI bus */
return (uint8_t)SPI_I2S_ReceiveData(LIS302DL_SPI);
}
#ifdef USE_DEFAULT_TIMEOUT_CALLBACK
/**
* @brief Basic management of the timeout situation.
* @param None.
* @retval None.
*/
uint32_t LIS302DL_TIMEOUT_UserCallback(void)
{
/* Block communication and all processes */
while (1)
{
}
}
#endif /* USE_DEFAULT_TIMEOUT_CALLBACK */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f4_discovery_lis302dl.h
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief This file contains all the functions prototypes for the stm32f4_discovery_lis302dl.c
* firmware driver.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4_DISCOVERY_LIS302DL_H
#define __STM32F4_DISCOVERY_LIS302DL_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32F4_DISCOVERY
* @{
*/
/** @addtogroup STM32F4_DISCOVERY_LIS302DL
* @{
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Exported_Types
* @{
*/
/* LIS302DL struct */
typedef struct
{
uint8_t Power_Mode; /* Power-down/Active Mode */
uint8_t Output_DataRate; /* OUT data rate 100 Hz / 400 Hz */
uint8_t Axes_Enable; /* Axes enable */
uint8_t Full_Scale; /* Full scale */
uint8_t Self_Test; /* Self test */
}LIS302DL_InitTypeDef;
/* LIS302DL High Pass Filter struct */
typedef struct
{
uint8_t HighPassFilter_Data_Selection; /* Internal filter bypassed or data from internal filter send to output register*/
uint8_t HighPassFilter_CutOff_Frequency; /* High pass filter cut-off frequency */
uint8_t HighPassFilter_Interrupt; /* High pass filter enabled for Freefall/WakeUp #1 or #2 */
}LIS302DL_FilterConfigTypeDef;
/* LIS302DL Interrupt struct */
typedef struct
{
uint8_t Latch_Request; /* Latch interrupt request into CLICK_SRC register*/
uint8_t SingleClick_Axes; /* Single Click Axes Interrupts */
uint8_t DoubleClick_Axes; /* Double Click Axes Interrupts */
}LIS302DL_InterruptConfigTypeDef;
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Exported_Constants
* @{
*/
/* Uncomment the following line to use the default LIS302DL_TIMEOUT_UserCallback()
function implemented in stm32f4_discovery_lis302dl.c file.
LIS302DL_TIMEOUT_UserCallback() function is called whenever a timeout condition
occure during communication (waiting transmit data register empty flag(TXE)
or waiting receive data register is not empty flag (RXNE)). */
/* #define USE_DEFAULT_TIMEOUT_CALLBACK */
/* Maximum Timeout values for flags waiting loops. These timeouts are not based
on accurate values, they just guarantee that the application will not remain
stuck if the SPI communication is corrupted.
You may modify these timeout values depending on CPU frequency and application
conditions (interrupts routines ...). */
#define LIS302DL_FLAG_TIMEOUT ((uint32_t)0x1000)
/**
* @brief LIS302DL SPI Interface pins
*/
#define LIS302DL_SPI SPI1
#define LIS302DL_SPI_CLK RCC_APB2Periph_SPI1
#define LIS302DL_SPI_SCK_PIN GPIO_Pin_5 /* PA.05 */
#define LIS302DL_SPI_SCK_GPIO_PORT GPIOA /* GPIOA */
#define LIS302DL_SPI_SCK_GPIO_CLK RCC_AHB1Periph_GPIOA
#define LIS302DL_SPI_SCK_SOURCE GPIO_PinSource5
#define LIS302DL_SPI_SCK_AF GPIO_AF_SPI1
#define LIS302DL_SPI_MISO_PIN GPIO_Pin_6 /* PA.6 */
#define LIS302DL_SPI_MISO_GPIO_PORT GPIOA /* GPIOA */
#define LIS302DL_SPI_MISO_GPIO_CLK RCC_AHB1Periph_GPIOA
#define LIS302DL_SPI_MISO_SOURCE GPIO_PinSource6
#define LIS302DL_SPI_MISO_AF GPIO_AF_SPI1
#define LIS302DL_SPI_MOSI_PIN GPIO_Pin_7 /* PA.7 */
#define LIS302DL_SPI_MOSI_GPIO_PORT GPIOA /* GPIOA */
#define LIS302DL_SPI_MOSI_GPIO_CLK RCC_AHB1Periph_GPIOA
#define LIS302DL_SPI_MOSI_SOURCE GPIO_PinSource7
#define LIS302DL_SPI_MOSI_AF GPIO_AF_SPI1
#define LIS302DL_SPI_CS_PIN GPIO_Pin_3 /* PE.03 */
#define LIS302DL_SPI_CS_GPIO_PORT GPIOE /* GPIOE */
#define LIS302DL_SPI_CS_GPIO_CLK RCC_AHB1Periph_GPIOE
#define LIS302DL_SPI_INT1_PIN GPIO_Pin_0 /* PE.00 */
#define LIS302DL_SPI_INT1_GPIO_PORT GPIOE /* GPIOE */
#define LIS302DL_SPI_INT1_GPIO_CLK RCC_AHB1Periph_GPIOE
#define LIS302DL_SPI_INT1_EXTI_LINE EXTI_Line0
#define LIS302DL_SPI_INT1_EXTI_PORT_SOURCE EXTI_PortSourceGPIOE
#define LIS302DL_SPI_INT1_EXTI_PIN_SOURCE EXTI_PinSource0
#define LIS302DL_SPI_INT1_EXTI_IRQn EXTI0_IRQn
#define LIS302DL_SPI_INT2_PIN GPIO_Pin_1 /* PE.01 */
#define LIS302DL_SPI_INT2_GPIO_PORT GPIOE /* GPIOE */
#define LIS302DL_SPI_INT2_GPIO_CLK RCC_AHB1Periph_GPIOE
#define LIS302DL_SPI_INT2_EXTI_LINE EXTI_Line1
#define LIS302DL_SPI_INT2_EXTI_PORT_SOURCE EXTI_PortSourceGPIOE
#define LIS302DL_SPI_INT2_EXTI_PIN_SOURCE EXTI_PinSource1
#define LIS302DL_SPI_INT2_EXTI_IRQn EXTI1_IRQn
/******************************************************************************/
/*************************** START REGISTER MAPPING **************************/
/******************************************************************************/
/*******************************************************************************
* WHO_AM_I Register: Device Identification Register
* Read only register
* Default value: 0x3B
*******************************************************************************/
#define LIS302DL_WHO_AM_I_ADDR 0x0F
/*******************************************************************************
* CTRL_REG1 Register: Control Register 1
* Read Write register
* Default value: 0x07
* 7 DR: Data Rate selection.
* 0 - 100 Hz output data rate
* 1 - 400 Hz output data rate
* 6 PD: Power Down control.
* 0 - power down mode
* 1 - active mode
* 5 FS: Full Scale selection.
* 0 - Typical measurement range 2.3
* 1 - Typical measurement range 9.2
* 4:3 STP-STM Self Test Enable:
* STP | STM | mode
* ----------------------------
* 0 | 0 | Normal mode
* 0 | 1 | Self Test M
* 1 | 0 | Self Test P
* 2 Zen: Z axis enable.
* 0 - Z axis disabled
* 1- Z axis enabled
* 1 Yen: Y axis enable.
* 0 - Y axis disabled
* 1- Y axis enabled
* 0 Xen: X axis enable.
* 0 - X axis disabled
* 1- X axis enabled
********************************************************************************/
#define LIS302DL_CTRL_REG1_ADDR 0x20
/*******************************************************************************
* CTRL_REG2 Regsiter: Control Register 2
* Read Write register
* Default value: 0x00
* 7 SIM: SPI Serial Interface Mode Selection.
* 0 - 4 wire interface
* 1 - 3 wire interface
* 6 BOOT: Reboot memory content
* 0 - normal mode
* 1 - reboot memory content
* 5 Reserved
* 4 FDS: Filtered data selection.
* 0 - internal filter bypassed
* 1 - data from internal filter sent to output register
* 3 HP FF_WU2: High pass filter enabled for FreeFall/WakeUp#2.
* 0 - filter bypassed
* 1 - filter enabled
* 2 HP FF_WU1: High pass filter enabled for FreeFall/WakeUp#1.
* 0 - filter bypassed
* 1 - filter enabled
* 1:0 HP coeff2-HP coeff1 High pass filter cut-off frequency (ft) configuration.
* ft= ODR[hz]/6*HP coeff
* HP coeff2 | HP coeff1 | HP coeff
* -------------------------------------------
* 0 | 0 | 8
* 0 | 1 | 16
* 1 | 0 | 32
* 1 | 1 | 64
* HP coeff | ft[hz] | ft[hz] |
* |ODR 100Hz | ODR 400Hz |
* --------------------------------------------
* 00 | 2 | 8 |
* 01 | 1 | 4 |
* 10 | 0.5 | 2 |
* 11 | 0.25 | 1 |
*******************************************************************************/
#define LIS302DL_CTRL_REG2_ADDR 0x21
/*******************************************************************************
* CTRL_REG3 Register: Interrupt Control Register
* Read Write register
* Default value: 0x00
* 7 IHL active: Interrupt active high/low.
* 0 - active high
* 1 - active low
* 6 PP_OD: push-pull/open-drain.
* 0 - push-pull
* 1 - open-drain
* 5:3 I2_CFG2 - I2_CFG0 Data signal on INT2 pad control bits
* 2:0 I1_CFG2 - I1_CFG0 Data signal on INT1 pad control bits
* I1(2)_CFG2 | I1(2)_CFG1 | I1(2)_CFG0 | INT1(2) Pad
* ----------------------------------------------------------
* 0 | 0 | 0 | GND
* 0 | 0 | 1 | FreeFall/WakeUp#1
* 0 | 1 | 0 | FreeFall/WakeUp#2
* 0 | 1 | 1 | FreeFall/WakeUp#1 or FreeFall/WakeUp#2
* 1 | 0 | 0 | Data ready
* 1 | 1 | 1 | Click interrupt
*******************************************************************************/
#define LIS302DL_CTRL_REG3_ADDR 0x22
/*******************************************************************************
* HP_FILTER_RESET Register: Dummy register. Reading at this address zeroes
* instantaneously the content of the internal high pass filter. If the high pass
* filter is enabled all three axes are instantaneously set to 0g.
* This allows to overcome the settling time of the high pass filter.
* Read only register
* Default value: Dummy
*******************************************************************************/
#define LIS302DL_HP_FILTER_RESET_REG_ADDR 0x23
/*******************************************************************************
* STATUS_REG Register: Status Register
* Default value: 0x00
* 7 ZYXOR: X, Y and Z axis data overrun.
* 0: no overrun has occurred
* 1: new data has overwritten the previous one before it was read
* 6 ZOR: Z axis data overrun.
* 0: no overrun has occurred
* 1: new data for Z-axis has overwritten the previous one before it was read
* 5 yOR: y axis data overrun.
* 0: no overrun has occurred
* 1: new data for y-axis has overwritten the previous one before it was read
* 4 XOR: X axis data overrun.
* 0: no overrun has occurred
* 1: new data for X-axis has overwritten the previous one before it was read
* 3 ZYXDA: X, Y and Z axis new data available
* 0: a new set of data is not yet available
* 1: a new set of data is available
* 2 ZDA: Z axis new data available.
* 0: a new set of data is not yet available
* 1: a new data for Z axis is available
* 1 YDA: Y axis new data available
* 0: a new set of data is not yet available
* 1: a new data for Y axis is available
* 0 XDA: X axis new data available
* 0: a new set of data is not yet available
* 1: a new data for X axis is available
*******************************************************************************/
#define LIS302DL_STATUS_REG_ADDR 0x27
/*******************************************************************************
* OUT_X Register: X-axis output Data
* Read only register
* Default value: output
* 7:0 XD7-XD0: X-axis output Data
*******************************************************************************/
#define LIS302DL_OUT_X_ADDR 0x29
/*******************************************************************************
* OUT_Y Register: Y-axis output Data
* Read only register
* Default value: output
* 7:0 YD7-YD0: Y-axis output Data
*******************************************************************************/
#define LIS302DL_OUT_Y_ADDR 0x2B
/*******************************************************************************
* OUT_Z Register: Z-axis output Data
* Read only register
* Default value: output
* 7:0 ZD7-ZD0: Z-axis output Data
*******************************************************************************/
#define LIS302DL_OUT_Z_ADDR 0x2D
/*******************************************************************************
* FF_WW_CFG_1 Register: Configuration register for Interrupt 1 source.
* Read write register
* Default value: 0x00
* 7 AOI: AND/OR combination of Interrupt events.
* 0: OR combination of interrupt events
* 1: AND combination of interrupt events
* 6 LIR: Latch/not latch interrupt request
* 0: interrupt request not latched
* 1: interrupt request latched
* 5 ZHIE: Enable interrupt generation on Z high event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value higher than preset threshold
* 4 ZLIE: Enable interrupt generation on Z low event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value lower than preset threshold
* 3 YHIE: Enable interrupt generation on Y high event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value higher than preset threshold
* 2 YLIE: Enable interrupt generation on Y low event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value lower than preset threshold
* 1 XHIE: Enable interrupt generation on X high event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value higher than preset threshold
* 0 XLIE: Enable interrupt generation on X low event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value lower than preset threshold
*******************************************************************************/
#define LIS302DL_FF_WU_CFG1_REG_ADDR 0x30
/*******************************************************************************
* FF_WU_SRC_1 Register: Interrupt 1 source register.
* Reading at this address clears FF_WU_SRC_1 register and the FF, WU 1 interrupt
* and allow the refreshment of data in the FF_WU_SRC_1 register if the latched option
* was chosen.
* Read only register
* Default value: 0x00
* 7 Reserved
* 6 IA: Interrupt active.
* 0: no interrupt has been generated
* 1: one or more interrupts have been generated
* 5 ZH: Z high.
* 0: no interrupt
* 1: ZH event has occurred
* 4 ZL: Z low.
* 0: no interrupt
* 1: ZL event has occurred
* 3 YH: Y high.
* 0: no interrupt
* 1: YH event has occurred
* 2 YL: Y low.
* 0: no interrupt
* 1: YL event has occurred
* 1 YH: X high.
* 0: no interrupt
* 1: XH event has occurred
* 0 YL: X low.
* 0: no interrupt
* 1: XL event has occurred
*******************************************************************************/
#define LIS302DL_FF_WU_SRC1_REG_ADDR 0x31
/*******************************************************************************
* FF_WU_THS_1 Register: Threshold register
* Read Write register
* Default value: 0x00
* 7 DCRM: Reset mode selection.
* 0 - counter resetted
* 1 - counter decremented
* 6 THS6-THS0: Free-fall/wake-up threshold value.
*******************************************************************************/
#define LIS302DL_FF_WU_THS1_REG_ADDR 0x32
/*******************************************************************************
* FF_WU_DURATION_1 Register: duration Register
* Read Write register
* Default value: 0x00
* 7:0 D7-D0 Duration value. (Duration steps and maximum values depend on the ODR chosen)
******************************************************************************/
#define LIS302DL_FF_WU_DURATION1_REG_ADDR 0x33
/*******************************************************************************
* FF_WW_CFG_2 Register: Configuration register for Interrupt 2 source.
* Read write register
* Default value: 0x00
* 7 AOI: AND/OR combination of Interrupt events.
* 0: OR combination of interrupt events
* 1: AND combination of interrupt events
* 6 LIR: Latch/not latch interrupt request
* 0: interrupt request not latched
* 1: interrupt request latched
* 5 ZHIE: Enable interrupt generation on Z high event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value higher than preset threshold
* 4 ZLIE: Enable interrupt generation on Z low event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value lower than preset threshold
* 3 YHIE: Enable interrupt generation on Y high event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value higher than preset threshold
* 2 YLIE: Enable interrupt generation on Y low event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value lower than preset threshold
* 1 XHIE: Enable interrupt generation on X high event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value higher than preset threshold
* 0 XLIE: Enable interrupt generation on X low event.
* 0: disable interrupt request
* 1: enable interrupt request on measured accel. value lower than preset threshold
*******************************************************************************/
#define LIS302DL_FF_WU_CFG2_REG_ADDR 0x34
/*******************************************************************************
* FF_WU_SRC_2 Register: Interrupt 2 source register.
* Reading at this address clears FF_WU_SRC_2 register and the FF, WU 2 interrupt
* and allow the refreshment of data in the FF_WU_SRC_2 register if the latched option
* was chosen.
* Read only register
* Default value: 0x00
* 7 Reserved
* 6 IA: Interrupt active.
* 0: no interrupt has been generated
* 1: one or more interrupts have been generated
* 5 ZH: Z high.
* 0: no interrupt
* 1: ZH event has occurred
* 4 ZL: Z low.
* 0: no interrupt
* 1: ZL event has occurred
* 3 YH: Y high.
* 0: no interrupt
* 1: YH event has occurred
* 2 YL: Y low.
* 0: no interrupt
* 1: YL event has occurred
* 1 YH: X high.
* 0: no interrupt
* 1: XH event has occurred
* 0 YL: X low.
* 0: no interrupt
* 1: XL event has occurred
*******************************************************************************/
#define LIS302DL_FF_WU_SRC2_REG_ADDR 0x35
/*******************************************************************************
* FF_WU_THS_2 Register: Threshold register
* Read Write register
* Default value: 0x00
* 7 DCRM: Reset mode selection.
* 0 - counter resetted
* 1 - counter decremented
* 6 THS6-THS0: Free-fall/wake-up threshold value.
*******************************************************************************/
#define LIS302DL_FF_WU_THS2_REG_ADDR 0x36
/*******************************************************************************
* FF_WU_DURATION_2 Register: duration Register
* Read Write register
* Default value: 0x00
* 7:0 D7-D0 Duration value. (Duration steps and maximum values depend on the ODR chosen)
******************************************************************************/
#define LIS302DL_FF_WU_DURATION2_REG_ADDR 0x37
/******************************************************************************
* CLICK_CFG Register: click Register
* Read Write register
* Default value: 0x00
* 7 Reserved
* 6 LIR: Latch Interrupt request.
* 0: interrupt request not latched
* 1: interrupt request latched
* 5 Double_Z: Enable interrupt generation on double click event on Z axis.
* 0: disable interrupt request
* 1: enable interrupt request
* 4 Single_Z: Enable interrupt generation on single click event on Z axis.
* 0: disable interrupt request
* 1: enable interrupt request
* 3 Double_Y: Enable interrupt generation on double click event on Y axis.
* 0: disable interrupt request
* 1: enable interrupt request
* 2 Single_Y: Enable interrupt generation on single click event on Y axis.
* 0: disable interrupt request
* 1: enable interrupt request
* 1 Double_X: Enable interrupt generation on double click event on X axis.
* 0: disable interrupt request
* 1: enable interrupt request
* 0 Single_y: Enable interrupt generation on single click event on X axis.
* 0: disable interrupt request
* 1: enable interrupt request
******************************************************************************/
#define LIS302DL_CLICK_CFG_REG_ADDR 0x38
/******************************************************************************
* CLICK_SRC Register: click status Register
* Read only register
* Default value: 0x00
* 7 Reserved
* 6 IA: Interrupt active.
* 0: no interrupt has been generated
* 1: one or more interrupts have been generated
* 5 Double_Z: Double click on Z axis event.
* 0: no interrupt
* 1: Double Z event has occurred
* 4 Single_Z: Z low.
* 0: no interrupt
* 1: Single Z event has occurred
* 3 Double_Y: Y high.
* 0: no interrupt
* 1: Double Y event has occurred
* 2 Single_Y: Y low.
* 0: no interrupt
* 1: Single Y event has occurred
* 1 Double_X: X high.
* 0: no interrupt
* 1: Double X event has occurred
* 0 Single_X: X low.
* 0: no interrupt
* 1: Single X event has occurred
*******************************************************************************/
#define LIS302DL_CLICK_SRC_REG_ADDR 0x39
/*******************************************************************************
* CLICK_THSY_X Register: Click threshold Y and X register
* Read Write register
* Default value: 0x00
* 7:4 THSy3-THSy0: Click threshold on Y axis, step 0.5g
* 3:0 THSx3-THSx0: Click threshold on X axis, step 0.5g
*******************************************************************************/
#define LIS302DL_CLICK_THSY_X_REG_ADDR 0x3B
/*******************************************************************************
* CLICK_THSZ Register: Click threshold Z register
* Read Write register
* Default value: 0x00
* 7:4 Reserved
* 3:0 THSz3-THSz0: Click threshold on Z axis, step 0.5g
*******************************************************************************/
#define LIS302DL_CLICK_THSZ_REG_ADDR 0x3C
/*******************************************************************************
* CLICK_TimeLimit Register: Time Limit register
* Read Write register
* Default value: 0x00
* 7:0 Dur7-Dur0: Time Limit value, step 0.5g
*******************************************************************************/
#define LIS302DL_CLICK_TIMELIMIT_REG_ADDR 0x3D
/*******************************************************************************
* CLICK_Latency Register: Latency register
* Read Write register
* Default value: 0x00
* 7:0 Lat7-Lat0: Latency value, step 1msec
*******************************************************************************/
#define LIS302DL_CLICK_LATENCY_REG_ADDR 0x3E
/*******************************************************************************
* CLICK_Window Register: Window register
* Read Write register
* Default value: 0x00
* 7:0 Win7-Win0: Window value, step 1msec
*******************************************************************************/
#define LIS302DL_CLICK_WINDOW_REG_ADDR 0x3F
/******************************************************************************/
/**************************** END REGISTER MAPPING ***************************/
/******************************************************************************/
#define LIS302DL_SENSITIVITY_2_3G 18 /* 18 mg/digit*/
#define LIS302DL_SENSITIVITY_9_2G 72 /* 72 mg/digit*/
/** @defgroup Data_Rate_selection
* @{
*/
#define LIS302DL_DATARATE_100 ((uint8_t)0x00)
#define LIS302DL_DATARATE_400 ((uint8_t)0x80)
/**
* @}
*/
/** @defgroup Power_Mode_selection
* @{
*/
#define LIS302DL_LOWPOWERMODE_POWERDOWN ((uint8_t)0x00)
#define LIS302DL_LOWPOWERMODE_ACTIVE ((uint8_t)0x40)
/**
* @}
*/
/** @defgroup Full_Scale_selection
* @{
*/
#define LIS302DL_FULLSCALE_2_3 ((uint8_t)0x00)
#define LIS302DL_FULLSCALE_9_2 ((uint8_t)0x20)
/**
* @}
*/
/** @defgroup Self_Test_selection
* @{
*/
#define LIS302DL_SELFTEST_NORMAL ((uint8_t)0x00)
#define LIS302DL_SELFTEST_P ((uint8_t)0x10)
#define LIS302DL_SELFTEST_M ((uint8_t)0x08)
/**
* @}
*/
/** @defgroup Direction_XYZ_selection
* @{
*/
#define LIS302DL_X_ENABLE ((uint8_t)0x01)
#define LIS302DL_Y_ENABLE ((uint8_t)0x02)
#define LIS302DL_Z_ENABLE ((uint8_t)0x04)
#define LIS302DL_XYZ_ENABLE ((uint8_t)0x07)
/**
* @}
*/
/** @defgroup SPI_Serial_Interface_Mode_selection
* @{
*/
#define LIS302DL_SERIALINTERFACE_4WIRE ((uint8_t)0x00)
#define LIS302DL_SERIALINTERFACE_3WIRE ((uint8_t)0x80)
/**
* @}
*/
/** @defgroup Boot_Mode_selection
* @{
*/
#define LIS302DL_BOOT_NORMALMODE ((uint8_t)0x00)
#define LIS302DL_BOOT_REBOOTMEMORY ((uint8_t)0x40)
/**
* @}
*/
/** @defgroup Filtered_Data_Selection_Mode_selection
* @{
*/
#define LIS302DL_FILTEREDDATASELECTION_BYPASSED ((uint8_t)0x00)
#define LIS302DL_FILTEREDDATASELECTION_OUTPUTREGISTER ((uint8_t)0x20)
/**
* @}
*/
/** @defgroup High_Pass_Filter_Interrupt_selection
* @{
*/
#define LIS302DL_HIGHPASSFILTERINTERRUPT_OFF ((uint8_t)0x00)
#define LIS302DL_HIGHPASSFILTERINTERRUPT_1 ((uint8_t)0x04)
#define LIS302DL_HIGHPASSFILTERINTERRUPT_2 ((uint8_t)0x08)
#define LIS302DL_HIGHPASSFILTERINTERRUPT_1_2 ((uint8_t)0x0C)
/**
* @}
*/
/** @defgroup High_Pass_Filter_selection
* @{
*/
#define LIS302DL_HIGHPASSFILTER_LEVEL_0 ((uint8_t)0x00)
#define LIS302DL_HIGHPASSFILTER_LEVEL_1 ((uint8_t)0x01)
#define LIS302DL_HIGHPASSFILTER_LEVEL_2 ((uint8_t)0x02)
#define LIS302DL_HIGHPASSFILTER_LEVEL_3 ((uint8_t)0x03)
/**
* @}
*/
/** @defgroup latch_Interrupt_Request_selection
* @{
*/
#define LIS302DL_INTERRUPTREQUEST_NOTLATCHED ((uint8_t)0x00)
#define LIS302DL_INTERRUPTREQUEST_LATCHED ((uint8_t)0x40)
/**
* @}
*/
/** @defgroup Click_Interrupt_XYZ_selection
* @{
*/
#define LIS302DL_CLICKINTERRUPT_XYZ_DISABLE ((uint8_t)0x00)
#define LIS302DL_CLICKINTERRUPT_X_ENABLE ((uint8_t)0x01)
#define LIS302DL_CLICKINTERRUPT_Y_ENABLE ((uint8_t)0x04)
#define LIS302DL_CLICKINTERRUPT_Z_ENABLE ((uint8_t)0x10)
#define LIS302DL_CLICKINTERRUPT_XYZ_ENABLE ((uint8_t)0x15)
/**
* @}
*/
/** @defgroup Double_Click_Interrupt_XYZ_selection
* @{
*/
#define LIS302DL_DOUBLECLICKINTERRUPT_XYZ_DISABLE ((uint8_t)0x00)
#define LIS302DL_DOUBLECLICKINTERRUPT_X_ENABLE ((uint8_t)0x02)
#define LIS302DL_DOUBLECLICKINTERRUPT_Y_ENABLE ((uint8_t)0x08)
#define LIS302DL_DOUBLECLICKINTERRUPT_Z_ENABLE ((uint8_t)0x20)
#define LIS302DL_DOUBLECLICKINTERRUPT_XYZ_ENABLE ((uint8_t)0x2A)
/**
* @}
*/
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Exported_Macros
* @{
*/
#define LIS302DL_CS_LOW() GPIO_ResetBits(LIS302DL_SPI_CS_GPIO_PORT, LIS302DL_SPI_CS_PIN)
#define LIS302DL_CS_HIGH() GPIO_SetBits(LIS302DL_SPI_CS_GPIO_PORT, LIS302DL_SPI_CS_PIN)
/**
* @}
*/
/** @defgroup STM32F4_DISCOVERY_LIS302DL_Exported_Functions
* @{
*/
void LIS302DL_Init(LIS302DL_InitTypeDef *LIS302DL_InitStruct);
void LIS302DL_InterruptConfig(LIS302DL_InterruptConfigTypeDef *LIS302DL_InterruptConfigStruct);
void LIS302DL_FilterConfig(LIS302DL_FilterConfigTypeDef *LIS302DL_FilterConfigStruct);
void LIS302DL_LowpowerCmd(uint8_t LowPowerMode);
void LIS302DL_FullScaleCmd(uint8_t FS_value);
void LIS302DL_DataRateCmd(uint8_t DataRateValue);
void LIS302DL_RebootCmd(void);
void LIS302DL_ReadACC(int32_t* out);
void LIS302DL_Write(uint8_t* pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite);
void LIS302DL_Read(uint8_t* pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead);
/* USER Callbacks: This is function for which prototype only is declared in
MEMS accelerometre driver and that should be implemented into user applicaiton. */
/* LIS302DL_TIMEOUT_UserCallback() function is called whenever a timeout condition
occure during communication (waiting transmit data register empty flag(TXE)
or waiting receive data register is not empty flag (RXNE)).
You can use the default timeout callback implementation by uncommenting the
define USE_DEFAULT_TIMEOUT_CALLBACK in stm32f4_discovery_lis302dl.h file.
Typically the user implementation of this callback should reset MEMS peripheral
and re-initialize communication or in worst case reset all the application. */
uint32_t LIS302DL_TIMEOUT_UserCallback(void);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F4_DISCOVERY_LIS302DL_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/