kopia lustrzana https://github.com/stlink-org/stlink
[fixme] blink_flash example working. more initialization needed, use libstm32_discovery.
Fabien Le Mentec
rodzic
81e4e8d157
commit
d762080c1b
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@ -12,7 +12,7 @@ else ifeq ($(CONFIG_STM32VL_DISCOVERY), 1)
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else ifeq ($(CONFIG_STM32F4_DISCOVERY), 1)
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CFLAGS+=-mcpu=cortex-m4 -DCONFIG_STM32F4_DISCOVERY=1
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endif
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CFLAGS+=-ffreestanding -nostdlib -nostdinc
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CFLAGS+=-ffreestanding -nostdlib -nostdinc
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# to run from SRAM
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CFLAGS+=-Wl,-Ttext,0x20000000 -Wl,-e,0x20000000
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@ -4,9 +4,7 @@ BIN_IMAGE=blink.bin
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CC=arm-none-eabi-gcc
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OBJCOPY=arm-none-eabi-objcopy
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CFLAGS=-O2 -mlittle-endian -mthumb
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CFLAGS=-g -O2 -mlittle-endian -mthumb
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CFLAGS=-O3 -mlittle-endian -mthumb
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ifeq ($(CONFIG_STM32L_DISCOVERY), 1)
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CFLAGS+=-mcpu=cortex-m3 -DCONFIG_STM32L_DISCOVERY=1
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else ifeq ($(CONFIG_STM32VL_DISCOVERY), 1)
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@ -16,18 +14,24 @@ else ifeq ($(CONFIG_STM32F4_DISCOVERY), 1)
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else
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$(error "must specify CONFIG_ for board!")
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endif
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CFLAGS+=-ffreestanding -nostdlib -nostdinc
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CFLAGS+=-ffreestanding -nostdlib -nostdinc
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# to run from FLASH
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CFLAGS+=-Wl,-T,stm32_flash.ld
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# stm32l_discovery lib
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CFLAGS+=-I../libstm32l_discovery/inc
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CFLAGS+=-I../libstm32l_discovery/inc/base
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CFLAGS+=-I../libstm32l_discovery/inc/core_support
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CFLAGS+=-I../libstm32l_discovery/inc/device_support
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all: $(BIN_IMAGE)
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$(BIN_IMAGE): $(EXECUTABLE)
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$(OBJCOPY) -O binary $^ $@
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$(EXECUTABLE): main.c startup_stm32l1xx_md.s
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$(CC) $(CFLAGS) $^ -o $@
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$(EXECUTABLE): main.c system_stm32l1xx.c startup_stm32l1xx_md.s
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$(CC) $(CFLAGS) $^ -o $@ -L../libstm32l_discovery/build -lstm32l_discovery
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clean:
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rm -rf $(EXECUTABLE)
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@ -0,0 +1,61 @@
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/**
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******************************************************************************
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* @file discover_board.h
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* @author Microcontroller Division
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* @version V1.0.2
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* @date September-2011
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* @brief Input/Output defines
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******************************************************************************
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* @copy
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __DISCOVER_BOARD_H
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#define __DISCOVER_BOARD_H
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/* Includes ------------------------------------------------------------------*/
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/* #include "stm32l1xx.h" */
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#define bool _Bool
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#define FALSE 0
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#define TRUE !FALSE
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/* MACROs for SET, RESET or TOGGLE Output port */
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#define GPIO_HIGH(a,b) a->BSRRL = b
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#define GPIO_LOW(a,b) a->BSRRH = b
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#define GPIO_TOGGLE(a,b) a->ODR ^= b
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#define USERBUTTON_GPIO_PORT GPIOA
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#define USERBUTTON_GPIO_PIN GPIO_Pin_0
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#define USERBUTTON_GPIO_CLK RCC_AHBPeriph_GPIOA
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#define LD_GPIO_PORT GPIOB
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#define LD_GREEN_GPIO_PIN GPIO_Pin_7
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#define LD_BLUE_GPIO_PIN GPIO_Pin_6
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#define LD_GPIO_PORT_CLK RCC_AHBPeriph_GPIOB
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#define CTN_GPIO_PORT GPIOC
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#define CTN_CNTEN_GPIO_PIN GPIO_Pin_13
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#define CTN_GPIO_CLK RCC_AHBPeriph_GPIOC
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#define WAKEUP_GPIO_PORT GPIOA
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#define IDD_MEASURE_PORT GPIOA
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#define IDD_MEASURE GPIO_Pin_4
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#endif
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/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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@ -1,6 +1,20 @@
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/* missing type */
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/* base headers */
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#include "stdint.h"
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typedef unsigned int uint32_t;
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/* libstm32l_discovery headers */
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#include "stm32l1xx_gpio.h"
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#include "stm32l1xx_adc.h"
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#include "stm32l1xx_lcd.h"
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#include "stm32l1xx_rcc.h"
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#include "stm32l1xx_rtc.h"
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#include "stm32l1xx_exti.h"
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#include "stm32l1xx_pwr.h"
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#include "stm32l1xx_flash.h"
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#include "stm32l1xx_syscfg.h"
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#include "stm32l1xx_dbgmcu.h"
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/* board specific macros */
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#include "discover_board.h"
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/* hardware configuration */
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@ -31,7 +45,6 @@ static inline void switch_leds_off(void)
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#elif CONFIG_STM32L_DISCOVERY
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# define GPIOB 0x40020400 /* port B */
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# define GPIOB_MODER (GPIOB + 0x00) /* port mode register */
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# define GPIOB_ODR (GPIOB + 0x14) /* port output data register */
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@ -46,12 +59,14 @@ static inline void setup_leds(void)
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static inline void switch_leds_on(void)
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{
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*(volatile uint32_t*)GPIOB_ODR = LED_BLUE | LED_GREEN;
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GPIO_HIGH(LD_GPIO_PORT, LD_GREEN_GPIO_PIN);
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GPIO_HIGH(LD_GPIO_PORT, LD_BLUE_GPIO_PIN);
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}
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static inline void switch_leds_off(void)
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{
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*(volatile uint32_t*)GPIOB_ODR = 0;
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GPIO_LOW(LD_GPIO_PORT, LD_GREEN_GPIO_PIN);
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GPIO_LOW(LD_GPIO_PORT, LD_BLUE_GPIO_PIN);
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}
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#endif /* otherwise, error */
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@ -59,14 +74,87 @@ static inline void switch_leds_off(void)
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#define delay() \
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do { \
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register unsigned int i; \
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volatile unsigned int i; \
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for (i = 0; i < 1000000; ++i) \
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__asm__ __volatile__ ("nop\n\t":::"memory"); \
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} while (0)
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static void RCC_Configuration(void)
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{
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/* Enable HSI Clock */
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RCC_HSICmd(ENABLE);
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/*!< Wait till HSI is ready */
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while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET)
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{}
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RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);
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RCC_MSIRangeConfig(RCC_MSIRange_6);
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RCC_HSEConfig(RCC_HSE_OFF);
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if(RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET )
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{
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while(1);
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}
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}
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static void RTC_Configuration(void)
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{
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/* Allow access to the RTC */
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PWR_RTCAccessCmd(ENABLE);
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/* Reset Backup Domain */
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RCC_RTCResetCmd(ENABLE);
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RCC_RTCResetCmd(DISABLE);
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/* LSE Enable */
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RCC_LSEConfig(RCC_LSE_ON);
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/* Wait till LSE is ready */
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while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
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{}
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RCC_RTCCLKCmd(ENABLE);
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/* LCD Clock Source Selection */
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RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
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}
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void main(void)
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{
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setup_leds();
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static RCC_ClocksTypeDef RCC_Clocks;
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static GPIO_InitTypeDef GPIO_InitStructure;
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/* Configure Clocks for Application need */
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RCC_Configuration();
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/* Configure RTC Clocks */
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RTC_Configuration();
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/* Set internal voltage regulator to 1.8V */
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PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
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/* Wait Until the Voltage Regulator is ready */
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while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
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/* configure gpios */
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/* Enable GPIOs clock */
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RCC_AHBPeriphClockCmd(LD_GPIO_PORT_CLK, ENABLE);
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/* Configure the GPIO_LED pins LD3 & LD4*/
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GPIO_InitStructure.GPIO_Pin = LD_GREEN_GPIO_PIN | LD_BLUE_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_Init(LD_GPIO_PORT, &GPIO_InitStructure);
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GPIO_LOW(LD_GPIO_PORT, LD_GREEN_GPIO_PIN);
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GPIO_LOW(LD_GPIO_PORT, LD_BLUE_GPIO_PIN);
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while (1)
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{
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@ -62,7 +62,6 @@ defined in linker script */
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.weak Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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/* Copy the data segment initializers from flash to SRAM */
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movs r1, #0
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b LoopCopyDataInit
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@ -92,7 +91,7 @@ LoopFillZerobss:
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bcc FillZerobss
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/* Call the clock system intitialization function.*/
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/* let main do the system initialization */
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/* bl SystemInit */
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bl SystemInit
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/* Call the application's entry point.*/
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bl main
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bx lr
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