Initial commit of library code, moved from leaftest repo

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@69 749a229e-a60e-11de-b98f-4500b42dc123

1 files changed, 316 insertions, 0 deletions

diff --git a/src/stm32lib/examples/ADC/ExtLinesTrigger/main.c b/src/stm32lib/examples/ADC/ExtLinesTrigger/main.c
new file mode 100755
index 0000000..9ed1551
--- /dev/null
+++ b/src/stm32lib/examples/ADC/ExtLinesTrigger/main.c
@@ -0,0 +1,316 @@
+/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************

+* File Name          : main.c

+* Author             : MCD Application Team

+* Version            : V2.0.1

+* Date               : 06/13/2008

+* Description        : Main program body

+********************************************************************************

+* 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.

+*******************************************************************************/

+

+/* Includes ------------------------------------------------------------------*/

+#include "stm32f10x_lib.h"

+

+/* Private typedef -----------------------------------------------------------*/

+/* Private define ------------------------------------------------------------*/

+#define ADC1_DR_Address    ((u32)0x4001244C)

+

+/* Private macro -------------------------------------------------------------*/

+/* Private variables ---------------------------------------------------------*/

+ADC_InitTypeDef   ADC_InitStructure;

+DMA_InitTypeDef   DMA_InitStructure;

+vu16 ADC_RegularConvertedValueTab[64], ADC_InjectedConvertedValueTab[32];

+ErrorStatus HSEStartUpStatus;

+    

+/* Private function prototypes -----------------------------------------------*/

+void RCC_Configuration(void);

+void GPIO_Configuration(void);

+void NVIC_Configuration(void);

+void EXTI_Configuration(void);

+  

+/* Private functions ---------------------------------------------------------*/

+

+/*******************************************************************************

+* Function Name  : main

+* Description    : Main program

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+int main(void)

+{

+#ifdef DEBUG

+  debug();

+#endif

+

+  /* System clocks configuration ---------------------------------------------*/

+  RCC_Configuration();

+

+  /* NVIC configuration ------------------------------------------------------*/

+  NVIC_Configuration();

+

+  /* GPIO configuration ------------------------------------------------------*/

+  GPIO_Configuration();

+

+  /* EXTI configuration ------------------------------------------------------*/

+  EXTI_Configuration();

+

+  /* DMA1 channel1 configuration ----------------------------------------------*/

+  DMA_DeInit(DMA1_Channel1);

+  DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;

+  DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADC_RegularConvertedValueTab;

+  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;

+  DMA_InitStructure.DMA_BufferSize = 64;

+  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;

+  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;

+  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;

+  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;

+  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;

+  DMA_InitStructure.DMA_Priority = DMA_Priority_High;

+  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;

+  DMA_Init(DMA1_Channel1, &DMA_InitStructure);

+  

+  /* Enable DMA1 channel1 */

+  DMA_Cmd(DMA1_Channel1, ENABLE);

+     

+  /* ADC1 configuration ------------------------------------------------------*/

+  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;

+  ADC_InitStructure.ADC_ScanConvMode = ENABLE;

+  ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;

+  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_Ext_IT11_TIM8_TRGO;

+  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;

+  ADC_InitStructure.ADC_NbrOfChannel = 2;

+  ADC_Init(ADC1, &ADC_InitStructure);

+

+  /* ADC1 regular channels configuration */ 

+  ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_28Cycles5);

+  ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 2, ADC_SampleTime_28Cycles5);

+

+  /* Regular discontinuous mode channel number configuration */

+  ADC_DiscModeChannelCountConfig(ADC1, 1);

+  /* Enable regular discontinuous mode */

+  ADC_DiscModeCmd(ADC1, ENABLE);

+

+  /* Enable ADC1 external trigger conversion */ 

+  ADC_ExternalTrigConvCmd(ADC1, ENABLE);

+

+  /* Set injected sequencer length */

+  ADC_InjectedSequencerLengthConfig(ADC1, 2);

+  /* ADC1 injected channel configuration */ 

+  ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 1, ADC_SampleTime_28Cycles5);

+  ADC_InjectedChannelConfig(ADC1, ADC_Channel_12, 2, ADC_SampleTime_28Cycles5);

+  /* ADC1 injected external trigger configuration */

+  ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_Ext_IT15_TIM8_CC4);

+  /* Enable ADC1 injected external trigger conversion */

+  ADC_ExternalTrigInjectedConvCmd(ADC1, ENABLE);

+

+  /* Enable JEOC interupt */

+  ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);

+

+  /* Enable ADC1 DMA */

+  ADC_DMACmd(ADC1, ENABLE);

+  

+  /* Enable ADC1 */

+  ADC_Cmd(ADC1, ENABLE);  

+

+  /* Enable ADC1 reset calibaration register */   

+  ADC_ResetCalibration(ADC1);

+  /* Check the end of ADC1 reset calibration register */

+  while(ADC_GetResetCalibrationStatus(ADC1));

+

+  /* Start ADC1 calibaration */

+  ADC_StartCalibration(ADC1);

+  /* Check the end of ADC1 calibration */

+  while(ADC_GetCalibrationStatus(ADC1));

+

+  while (1)

+  {

+  }

+}

+

+/*******************************************************************************

+* Function Name  : RCC_Configuration

+* Description    : Configures the different system clocks.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RCC_Configuration(void)

+{

+  /* RCC system reset(for debug purpose) */

+  RCC_DeInit();

+

+  /* Enable HSE */

+  RCC_HSEConfig(RCC_HSE_ON);

+

+  /* Wait till HSE is ready */

+  HSEStartUpStatus = RCC_WaitForHSEStartUp();

+

+  if(HSEStartUpStatus == SUCCESS)

+  {

+    /* Enable Prefetch Buffer */

+    FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

+

+    /* Flash 2 wait state */

+    FLASH_SetLatency(FLASH_Latency_2);

+ 

+    /* HCLK = SYSCLK */

+    RCC_HCLKConfig(RCC_SYSCLK_Div1); 

+  

+    /* PCLK2 = HCLK */

+    RCC_PCLK2Config(RCC_HCLK_Div1); 

+

+    /* PCLK1 = HCLK/2 */

+    RCC_PCLK1Config(RCC_HCLK_Div2);

+

+    /* ADCCLK = PCLK2/4 */

+    RCC_ADCCLKConfig(RCC_PCLK2_Div4); 

+  

+    /* PLLCLK = 8MHz * 7 = 56 MHz */

+    RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_7);

+

+    /* Enable PLL */ 

+    RCC_PLLCmd(ENABLE);

+

+    /* Wait till PLL is ready */

+    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)

+    {

+    }

+

+    /* Select PLL as system clock source */

+    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);

+

+    /* Wait till PLL is used as system clock source */

+    while(RCC_GetSYSCLKSource() != 0x08)

+    {

+    }

+  }

+  

+/* Enable peripheral clocks --------------------------------------------------*/   

+  /* Enable DMA1 clock */

+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);

+

+  /* Enable GPIOs and ADC1 clock */

+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC | 

+                         RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO |

+                         RCC_APB2Periph_ADC1, ENABLE);

+}

+

+/*******************************************************************************

+* Function Name  : EXTI_Configuration

+* Description    : Configures the different EXTI lines.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void EXTI_Configuration(void)

+{

+  EXTI_InitTypeDef EXTI_InitStructure;

+

+  /* Select the EXTI Line11 the GPIO pin source */

+  GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource11);

+  /* EXTI line11 configuration -----------------------------------------------*/  

+  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Event;

+  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;

+  EXTI_InitStructure.EXTI_Line = EXTI_Line11;

+  EXTI_InitStructure.EXTI_LineCmd = ENABLE;

+  EXTI_Init(&EXTI_InitStructure);

+

+  /* Select the EXTI Line15 the GPIO pin source */

+  GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource15);

+  /* EXTI line15 configuration -----------------------------------------------*/  

+  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Event;

+  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;

+  EXTI_InitStructure.EXTI_Line = EXTI_Line15;

+  EXTI_InitStructure.EXTI_LineCmd = ENABLE;

+  EXTI_Init(&EXTI_InitStructure);

+}

+

+/*******************************************************************************

+* Function Name  : GPIO_Configuration

+* Description    : Configures the different GPIO ports.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void GPIO_Configuration(void)

+{

+  GPIO_InitTypeDef GPIO_InitStructure;

+

+  /* Configure PC.01, PC.02 and PC.04 (ADC Channel11, Channel12 and Channel14)

+   as analog input -----------------------------------------------------------*/

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_4;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;

+  GPIO_Init(GPIOC, &GPIO_InitStructure);

+

+  /* Configure PA.04 (ADC Channel4) as analog input --------------------------*/

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;

+  GPIO_Init(GPIOA, &GPIO_InitStructure);

+

+  /* Configure EXTI line11 ---------------------------------------------------*/

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;

+  GPIO_Init(GPIOE, &GPIO_InitStructure);

+

+  /* Configure EXTI line15 ---------------------------------------------------*/

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;

+  GPIO_Init(GPIOE, &GPIO_InitStructure);

+}

+

+/*******************************************************************************

+* Function Name  : NVIC_Configuration

+* Description    : Configures NVIC and Vector Table base location.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void NVIC_Configuration(void)

+{

+  NVIC_InitTypeDef NVIC_InitStructure;

+

+#ifdef  VECT_TAB_RAM  

+  /* Set the Vector Table base location at 0x20000000 */ 

+  NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); 

+#else  /* VECT_TAB_FLASH  */

+  /* Set the Vector Table base location at 0x08000000 */ 

+  NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);   

+#endif

+

+  /* Configure and enable ADC interrupt */

+  NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQChannel;

+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;

+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;

+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

+  NVIC_Init(&NVIC_InitStructure);

+}

+

+#ifdef  DEBUG

+/*******************************************************************************

+* Function Name  : assert_failed

+* Description    : Reports the name of the source file and the source line number

+*                  where the assert_param error has occurred.

+* Input          : - file: pointer to the source file name

+*                  - line: assert_param error line source number

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void assert_failed(u8* file, u32 line)

+{ 

+  /* User can add his own implementation to report the file name and line number,

+     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

+

+  /* Infinite loop */

+  while (1)

+  {

+  }

+}

+#endif

+

+/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/