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, 383 insertions, 0 deletions

diff --git a/src/stm32lib/examples/CAN/main.c b/src/stm32lib/examples/CAN/main.c
new file mode 100755
index 0000000..3f20dda
--- /dev/null
+++ b/src/stm32lib/examples/CAN/main.c
@@ -0,0 +1,383 @@
+/******************** (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"

+#include "platform_config.h"

+

+/* Local includes ------------------------------------------------------------*/

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

+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;

+

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

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

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

+vu32 ret; /* for return of the interrupt handling */

+volatile TestStatus TestRx;

+ErrorStatus HSEStartUpStatus;

+

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

+void RCC_Configuration(void);

+void GPIO_Configuration(void);

+void NVIC_Configuration(void);

+TestStatus CAN_Polling(void);

+TestStatus CAN_Interrupt(void);

+

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

+* 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 ports pins Configuration */

+  GPIO_Configuration();

+  

+  /* CAN transmit at 100Kb/s and receive by polling in loopback mode */

+  TestRx = CAN_Polling();

+

+  if (TestRx == FAILED)

+  {

+    /* Turn on led connected to GPIO_LED pin8 (LD3) */

+    GPIO_SetBits(GPIO_LED, GPIO_Pin_8);

+  }

+  else

+  {

+    /* Turn on led connected to GPIO_LED pin6 (LD1) */

+    GPIO_SetBits(GPIO_LED, GPIO_Pin_6);

+  }

+

+  /* CAN transmit at 500Kb/s and receive by interrupt in loopback mode */

+  TestRx = CAN_Interrupt();

+

+  if (TestRx == FAILED)

+  {

+    /* Turn on led connected to GPIO_LED pin9 (LD4) */

+    GPIO_SetBits(GPIO_LED, GPIO_Pin_9); 

+  }

+  else

+  {

+    /* Turn on led connected to GPIO_LED pin7 (LD2) */

+    GPIO_SetBits(GPIO_LED, GPIO_Pin_7);

+  }

+  

+  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);

+    

+    /* HCLK = SYSCLK */

+    RCC_HCLKConfig(RCC_SYSCLK_Div1); 

+  

+    /* PCLK2 = HCLK */

+    RCC_PCLK2Config(RCC_HCLK_Div1); 

+

+    /* PCLK1 = HCLK */

+    RCC_PCLK1Config(RCC_HCLK_Div1);

+

+    /* Select HSE as system clock source */

+    RCC_SYSCLKConfig(RCC_SYSCLKSource_HSE);

+

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

+    while(RCC_GetSYSCLKSource() != 0x04)

+    {

+    }

+  }

+  

+  /* GPIOA and GPIO_LED clock enable */

+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIO_LED, ENABLE);

+

+  /* CAN Periph clock enable */

+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);

+}

+

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

+* 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 GPIO_LED pin6, pin7, pin8 and pin9 as Output push-pull */

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

+  GPIO_Init(GPIO_LED, &GPIO_InitStructure);

+

+  /* Configure CAN pin: RX */

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;

+  GPIO_Init(GPIOA, &GPIO_InitStructure);

+  

+  /* Configure CAN pin: TX */

+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;

+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

+  GPIO_Init(GPIOA, &GPIO_InitStructure);

+}

+

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

+* Function Name  : NVIC_Configuration

+* Description    : Configures the NVIC and Vector Table base address.

+* 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

+

+  /* Enable CAN RX0 interrupt IRQ channel */

+  NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN_RX0_IRQChannel;

+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;

+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;

+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

+  NVIC_Init(&NVIC_InitStructure);

+}

+

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

+* Function Name  : CAN_Polling

+* Description    : Configures the CAN, transmit and receive by polling

+* Input          : None

+* Output         : None

+* Return         : PASSED if the reception is well done, FAILED in other case

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

+TestStatus CAN_Polling(void)

+{

+  CAN_InitTypeDef        CAN_InitStructure;

+  CAN_FilterInitTypeDef  CAN_FilterInitStructure;

+  CanTxMsg TxMessage;

+  CanRxMsg RxMessage;

+  u32 i = 0;

+  u8 TransmitMailbox;

+

+  /* CAN register init */

+  CAN_DeInit();

+  CAN_StructInit(&CAN_InitStructure);

+

+  /* CAN cell init */

+  CAN_InitStructure.CAN_TTCM=DISABLE;

+  CAN_InitStructure.CAN_ABOM=DISABLE;

+  CAN_InitStructure.CAN_AWUM=DISABLE;

+  CAN_InitStructure.CAN_NART=DISABLE;

+  CAN_InitStructure.CAN_RFLM=DISABLE;

+  CAN_InitStructure.CAN_TXFP=DISABLE;

+  CAN_InitStructure.CAN_Mode=CAN_Mode_LoopBack;

+  CAN_InitStructure.CAN_SJW=CAN_SJW_1tq;

+  CAN_InitStructure.CAN_BS1=CAN_BS1_8tq;

+  CAN_InitStructure.CAN_BS2=CAN_BS2_7tq;

+  CAN_InitStructure.CAN_Prescaler=5;

+  CAN_Init(&CAN_InitStructure);

+

+  /* CAN filter init */

+  CAN_FilterInitStructure.CAN_FilterNumber=0;

+  CAN_FilterInitStructure.CAN_FilterMode=CAN_FilterMode_IdMask;

+  CAN_FilterInitStructure.CAN_FilterScale=CAN_FilterScale_32bit;

+  CAN_FilterInitStructure.CAN_FilterIdHigh=0x0000;

+  CAN_FilterInitStructure.CAN_FilterIdLow=0x0000;

+  CAN_FilterInitStructure.CAN_FilterMaskIdHigh=0x0000;

+  CAN_FilterInitStructure.CAN_FilterMaskIdLow=0x0000;

+  CAN_FilterInitStructure.CAN_FilterFIFOAssignment=0;

+  CAN_FilterInitStructure.CAN_FilterActivation=ENABLE;

+  CAN_FilterInit(&CAN_FilterInitStructure);

+

+  /* transmit */

+  TxMessage.StdId=0x11;

+  TxMessage.RTR=CAN_RTR_DATA;

+  TxMessage.IDE=CAN_ID_STD;

+  TxMessage.DLC=2;

+  TxMessage.Data[0]=0xCA;

+  TxMessage.Data[1]=0xFE;

+

+  TransmitMailbox=CAN_Transmit(&TxMessage);

+  i = 0;

+  while((CAN_TransmitStatus(TransmitMailbox) != CANTXOK) && (i != 0xFF))

+  {

+    i++;

+  }

+

+  i = 0;

+  while((CAN_MessagePending(CAN_FIFO0) < 1) && (i != 0xFF))

+  {

+    i++;

+  }

+

+  /* receive */

+  RxMessage.StdId=0x00;

+  RxMessage.IDE=CAN_ID_STD;

+  RxMessage.DLC=0;

+  RxMessage.Data[0]=0x00;

+  RxMessage.Data[1]=0x00;

+  CAN_Receive(CAN_FIFO0, &RxMessage);

+

+  if (RxMessage.StdId!=0x11) return FAILED;

+

+  if (RxMessage.IDE!=CAN_ID_STD) return FAILED;

+

+  if (RxMessage.DLC!=2) return FAILED;

+

+  if ((RxMessage.Data[0]<<8|RxMessage.Data[1])!=0xCAFE) return FAILED;

+  

+  return PASSED; /* Test Passed */

+}

+

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

+* Function Name  : CAN_Interrupt

+* Description    : Configures the CAN, transmit and receive using interrupt.

+* Input          : None

+* Output         : None

+* Return         : PASSED if the reception is well done, FAILED in other case

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

+TestStatus CAN_Interrupt(void)

+{

+  CAN_InitTypeDef        CAN_InitStructure;

+  CAN_FilterInitTypeDef  CAN_FilterInitStructure;

+  CanTxMsg TxMessage;

+  u32 i = 0;

+

+  /* CAN register init */

+  CAN_DeInit();

+  CAN_StructInit(&CAN_InitStructure);

+

+  /* CAN cell init */

+  CAN_InitStructure.CAN_TTCM=DISABLE;

+  CAN_InitStructure.CAN_ABOM=DISABLE;

+  CAN_InitStructure.CAN_AWUM=DISABLE;

+  CAN_InitStructure.CAN_NART=DISABLE;

+  CAN_InitStructure.CAN_RFLM=DISABLE;

+  CAN_InitStructure.CAN_TXFP=DISABLE;

+  CAN_InitStructure.CAN_Mode=CAN_Mode_LoopBack;

+  CAN_InitStructure.CAN_SJW=CAN_SJW_1tq;

+  CAN_InitStructure.CAN_BS1=CAN_BS1_8tq;

+  CAN_InitStructure.CAN_BS2=CAN_BS2_7tq;

+  CAN_InitStructure.CAN_Prescaler=1;

+  CAN_Init(&CAN_InitStructure);

+

+  /* CAN filter init */

+  CAN_FilterInitStructure.CAN_FilterNumber=1;

+  CAN_FilterInitStructure.CAN_FilterMode=CAN_FilterMode_IdMask;

+  CAN_FilterInitStructure.CAN_FilterScale=CAN_FilterScale_32bit;

+  CAN_FilterInitStructure.CAN_FilterIdHigh=0x0000;

+  CAN_FilterInitStructure.CAN_FilterIdLow=0x0000;

+  CAN_FilterInitStructure.CAN_FilterMaskIdHigh=0x0000;

+  CAN_FilterInitStructure.CAN_FilterMaskIdLow=0x0000;

+  CAN_FilterInitStructure.CAN_FilterFIFOAssignment=CAN_FIFO0;

+  CAN_FilterInitStructure.CAN_FilterActivation=ENABLE;

+  CAN_FilterInit(&CAN_FilterInitStructure);

+

+  /* CAN FIFO0 message pending interrupt enable */ 

+  CAN_ITConfig(CAN_IT_FMP0, ENABLE);

+

+  /* transmit 1 message */

+  TxMessage.StdId=0x00;

+  TxMessage.ExtId=0x1234;

+  TxMessage.IDE=CAN_ID_EXT;

+  TxMessage.RTR=CAN_RTR_DATA;

+  TxMessage.DLC=2;

+  TxMessage.Data[0]=0xDE;

+  TxMessage.Data[1]=0xCA;

+  CAN_Transmit(&TxMessage);

+

+  /* initialize the value that will be returned */

+  ret = 0xFF;

+       

+  /* receive message with interrupt handling */

+  i=0;

+  while((ret == 0xFF) && (i < 0xFFF))

+  {

+    i++;

+  }

+  

+  if (i == 0xFFF)

+  {

+    ret=0;  

+  }

+

+  /* disable interrupt handling */

+  CAN_ITConfig(CAN_IT_FMP0, DISABLE);

+

+  return (TestStatus)ret;

+}

+

+#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****/