further digging into i2c

software/Firmware/STM8S_StdPeriph_Lib/Libraries/STM8S_StdPeriph_Driver/src/stm8s_clk.c

@@ -521,7 +521,7 @@ void CLK_ITConfig(CLK_IT_TypeDef CLK_IT, FunctionalState NewState)
   * @param   ClockPrescaler Specifies the HSI or CPU clock divider to apply.
   * @retval None
   */
-#if 0   
+#if 1   
 void CLK_SYSCLKConfig(CLK_Prescaler_TypeDef CLK_Prescaler)
 {
   /* check the parameters */

software/Firmware/STM8S_StdPeriph_Lib/Libraries/STM8S_StdPeriph_Driver/src/stm8s_i2c.c

@@ -64,7 +64,7 @@
   * @param  None
   * @retval None
   */
-#if 0
+#if 1
 void I2C_DeInit(void)
 {
   I2C->CR1 = I2C_CR1_RESET_VALUE;
@@ -255,7 +255,7 @@ void I2C_GeneralCallCmd(FunctionalState NewState)
   *         This parameter can be any of the @ref FunctionalState enumeration.
   * @retval None
   */
-#if 0  
+#if 1  
 void I2C_GenerateSTART(FunctionalState NewState)
 {
   /* Check function parameters */
@@ -280,7 +280,7 @@ void I2C_GenerateSTART(FunctionalState NewState)
   *          This parameter can be any of the @ref FunctionalState enumeration.
   * @retval None
   */
-#if 0  
+#if 1  
 void I2C_GenerateSTOP(FunctionalState NewState)
 {
   /* Check function parameters */
@@ -460,7 +460,7 @@ uint8_t I2C_ReceiveData(void)
   * This parameter can be any of the @ref I2C_Direction_TypeDef enumeration.
   * @retval None
   */
-#if 0  
+#if 1  
 void I2C_Send7bitAddress(uint8_t Address, I2C_Direction_TypeDef Direction)
 {
   /* Check function parameters */
@@ -480,7 +480,7 @@ void I2C_Send7bitAddress(uint8_t Address, I2C_Direction_TypeDef Direction)
   * @param   Data : Byte to be sent.
   * @retval None
   */
-#if 0  
+#if 1  
 void I2C_SendData(uint8_t Data)
 {
   /* Write in the DR register the data to be sent */
@@ -602,7 +602,7 @@ void I2C_SendData(uint8_t Data)
   * - SUCCESS: Last event is equal to the I2C_EVENT
   * - ERROR: Last event is different from the I2C_EVENT
   */
-#if 0  
+#if 1  
 ErrorStatus I2C_CheckEvent(I2C_Event_TypeDef I2C_Event)
 {
   __IO uint16_t lastevent = 0x00;

software/Firmware/Src/ApplicationBuilder.c

@@ -17,7 +17,7 @@
 
 void ApplicationBuilder_Init()
 {
-    ClockConfigurator_Init();
+   // ClockConfigurator_Init();
     TimerConfigurator_Init();
 
     Logger_Init();
@@ -27,7 +27,7 @@ void ApplicationBuilder_Init()
     
     enableInterrupts();
 
-    UserInterface_ShowMessage(USER_INTERFAE_STATE_OK_MSG);
+   // UserInterface_ShowMessage(USER_INTERFAE_STATE_OK_MSG);
 }
 
 void ApplicationBuilder_Run()
@@ -42,5 +42,7 @@ void ApplicationBuilder_Run()
 
 void ApplicationBuilder_Tick()
 {
-    //Logger_Tick();
+//    Logger_Tick();
+
+VoltageSensorActualValue_GeMeasurementData(0);
 }

software/Firmware/Src/Logger.c

@@ -6,7 +6,7 @@
  */
 
 #include "Logger.h"
-#include <stdio.h>
+//#include <stdio.h>
 #include "stm8s_uart1.h"
 #include "PinoutConfiguration.h"
 
@@ -20,7 +20,7 @@ void assert_failed(uint8_t* file, uint32_t line)
     (void)file;
     (void)line;
 
-    printf("[error] asset failed %s %d\r\n", file, line);
+    //printf("[error] asset failed %s %d\r\n", file, line);
 
     while (TRUE)
     {
@@ -40,7 +40,7 @@ void Logger_Init()
 
 void Logger_Tick()
 {
-    printf ("ok ");
+   // printf ("ok ");
 }
 
 

software/Firmware/Src/VoltageSensorActualValue.c

@@ -8,32 +8,82 @@
 #include "VoltageSensorActualValue.h"
 #include "UserInterface.h"
 #include "stm8s_i2c.h"
-#include <stdio.h>
+#include "stm8s_i2c.h"
-#define I2C_SPEED 100000
+#include "stm8s.h"
-#define I2C_ADDRESS 0x68
+
-// // MCP3425 I2C address is 0x68(104)
+#define I2C_ADDRESS 0x68 // MCP3425 I2C address is 0x68(104)
+
+static void GPIO_setup(void);
+
+
 void VoltageSensorActualValue_Init()
 {
-//printf("start\n");    
+    CLK_DeInit();
-    I2C_Cmd( ENABLE);
                  
-    /* I2C Initialize */
+    CLK_HSECmd(DISABLE);
-    I2C_Init(I2C_SPEED, I2C_ADDRESS, I2C_DUTYCYCLE_2, I2C_ACK_CURR, I2C_ADDMODE_7BIT, 16);
+    CLK_LSICmd(DISABLE);
+    CLK_HSICmd(ENABLE);
+    while(CLK_GetFlagStatus(CLK_FLAG_HSIRDY) == FALSE);
 
-    /* Enable Buffer and Event Interrupt*/
- //   I2C_ITConfig((I2C_IT_TypeDef)(I2C_IT_EVT | I2C_IT_BUF) , ENABLE);
 
-#if 1 // assert fails here
+    CLK_ClockSwitchCmd(ENABLE);
-    /* While the bus is busy */
+    CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV8);
-    while(I2C_GetFlagStatus(I2C_FLAG_BUSBUSY));
+    CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV2);
-#endif
+
+    CLK_ClockSwitchConfig(CLK_SWITCHMODE_AUTO, CLK_SOURCE_HSI, 
+    DISABLE, CLK_CURRENTCLOCKSTATE_ENABLE);
+
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_SPI, DISABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_I2C, ENABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_ADC, DISABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_AWU, DISABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_UART1, ENABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER1, ENABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER2, DISABLE);
+    CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER4, DISABLE);
+
+
+    GPIO_Init(GPIOB, GPIO_PIN_4, GPIO_MODE_OUT_OD_HIZ_FAST);
+    GPIO_Init(GPIOB, GPIO_PIN_5, GPIO_MODE_OUT_OD_HIZ_FAST);    
+     
+    I2C_DeInit();
+    I2C_Init(100000, 
+             I2C_ADDRESS, 
+             I2C_DUTYCYCLE_2, 
+             I2C_ACK_CURR, 
+             I2C_ADDMODE_7BIT, 
+             (CLK_GetClockFreq() / 1000000));
+    I2C_Cmd(ENABLE);
 
-    UserInterface_ShowMessage(USER_INTERFACE_COLLECTING_DATA_MSG);
 }
 
-
 bool VoltageSensorActualValue_GeMeasurementData(VoltageSensorActualValue_MeasurementData_t *measurementData)
 {
+    //  printf("a\r\n");
+    I2C_GenerateSTART(ENABLE);
+    while(!I2C_CheckEvent(I2C_EVENT_MASTER_MODE_SELECT));
+
+    UserInterface_ShowMessage(USER_INTERFACE_COLLECTING_DATA_MSG);
+
+    I2C_Send7bitAddress(I2C_ADDRESS, I2C_DIRECTION_TX); 
+    while(!I2C_CheckEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
+
+    I2C_SendData(1);
+    while(!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED));
+
+    I2C_GenerateSTOP(ENABLE);   
+
+    //    while(I2C_GetFlagStatus(I2C_FLAG_BUSBUSY));
+    //printf("b\r\n");
+    
+
     return TRUE;
 }
 
+
+void GPIO_setup(void)
+{
+    GPIO_Init(GPIOB, GPIO_PIN_4, GPIO_MODE_OUT_OD_HIZ_FAST);
+    GPIO_Init(GPIOB, GPIO_PIN_5, GPIO_MODE_OUT_OD_HIZ_FAST);    
+}    
+