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Diffstat (limited to 'src/stm32lib/examples/CAN/main.c')
| -rwxr-xr-x | src/stm32lib/examples/CAN/main.c | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/src/stm32lib/examples/CAN/main.c b/src/stm32lib/examples/CAN/main.c deleted file mode 100755 index 3f20dda..0000000 --- a/src/stm32lib/examples/CAN/main.c +++ /dev/null @@ -1,383 +0,0 @@ -/******************** (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****/
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