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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/DualCAN/main.c')
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1 files changed, 418 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/DualCAN/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/DualCAN/main.c new file mode 100644 index 0000000..f38297f --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/DualCAN/main.c @@ -0,0 +1,418 @@ +/** + ****************************************************************************** + * @file CAN/DualCAN/main.c + * @author MCD Application Team + * @version V3.5.0 + * @date 08-April-2011 + * @brief Main program body + ****************************************************************************** + * @attention + * + * 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. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32_eval.h" +#include "stm3210c_eval_lcd.h" + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup CAN_DualCAN + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +#define CAN_BAUDRATE 1000 /* 1MBps */ +/* #define CAN_BAUDRATE 500*/ /* 500kBps */ +/* #define CAN_BAUDRATE 250*/ /* 250kBps */ +/* #define CAN_BAUDRATE 125*/ /* 125kBps */ +/* #define CAN_BAUDRATE 100*/ /* 100kBps */ +/* #define CAN_BAUDRATE 50*/ /* 50kBps */ +/* #define CAN_BAUDRATE 20*/ /* 20kBps */ +/* #define CAN_BAUDRATE 10*/ /* 10kBps */ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +CAN_InitTypeDef CAN_InitStructure; +CAN_FilterInitTypeDef CAN_FilterInitStructure; +CanTxMsg TxMessage; + +/* Private function prototypes -----------------------------------------------*/ +void NVIC_Config(void); +void CAN_Config(void); +void LED_Display(uint8_t Ledstatus); +void Init_RxMes(CanRxMsg *RxMessage); +void Delay(void); + +/* Private functions ---------------------------------------------------------*/ + +/** + * @brief Main program. + * @param None + * @retval None + */ +int main(void) +{ + /*!< At this stage the microcontroller clock setting is already configured, + this is done through SystemInit() function which is called from startup + file (startup_stm32f10x_xx.s) before to branch to application main. + To reconfigure the default setting of SystemInit() function, refer to + system_stm32f10x.c file + */ + + /* NVIC configuration */ + NVIC_Config(); + + /* Configures LED 1..4 */ + STM_EVAL_LEDInit(LED1); + STM_EVAL_LEDInit(LED2); + STM_EVAL_LEDInit(LED3); + STM_EVAL_LEDInit(LED4); + + /* LCD Initialization */ + STM3210C_LCD_Init(); + LCD_Clear(LCD_COLOR_WHITE); + + /* Set the LCD Back Color */ + LCD_SetBackColor(LCD_COLOR_RED); + /* Set the LCD Text Color */ + LCD_SetTextColor(LCD_COLOR_GREEN); + + LCD_DisplayStringLine(LCD_LINE_0, " STM3210C-EVAL "); + LCD_DisplayStringLine(LCD_LINE_1, " STM32F10x Dual CAN "); + LCD_DisplayStringLine(LCD_LINE_2, "To start Press on: "); + LCD_DisplayStringLine(LCD_LINE_3, "Key or Tamper Button"); + + /* Set the LCD Back Color */ + LCD_SetBackColor(LCD_COLOR_BLUE); + +#if CAN_BAUDRATE == 1000 /* 1MBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 1MBps "); +#elif CAN_BAUDRATE == 500 /* 500KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 500kBps "); +#elif CAN_BAUDRATE == 250 /* 250KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 250kBps "); +#elif CAN_BAUDRATE == 125 /* 125KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 125kBps "); +#elif CAN_BAUDRATE == 100 /* 100KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 100kBps "); +#elif CAN_BAUDRATE == 50 /* 50KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 50kBps "); +#elif CAN_BAUDRATE == 20 /* 20KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 20kBps "); +#elif CAN_BAUDRATE == 10 /* 10KBps */ + LCD_DisplayStringLine(LCD_LINE_4, " BAUDRATE = 10kBps "); +#endif + /* Set the LCD Text Color */ + LCD_SetTextColor(LCD_COLOR_WHITE); + + /* Configure BUTTON_KEY */ + STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO); + + /* Configure BUTTON_TAMPER */ + STM_EVAL_PBInit(BUTTON_TAMPER, BUTTON_MODE_GPIO); + + /* CANs configuration */ + CAN_Config(); + + /* IT Configuration for CAN1 */ + CAN_ITConfig(CAN1, CAN_IT_FMP0, ENABLE); + + /* IT Configuration for CAN2 */ + CAN_ITConfig(CAN2, CAN_IT_FMP0, ENABLE); + + /* turn off all leds*/ + STM_EVAL_LEDOff(LED1); + STM_EVAL_LEDOff(LED2); + STM_EVAL_LEDOff(LED3); + STM_EVAL_LEDOff(LED4); + + /* Infinite loop */ + while(1) + { + if(STM_EVAL_PBGetState(BUTTON_KEY)== RESET) + { + /* Turn On LED1 */ + LED_Display(0x01); + TxMessage.Data[0] = 0x55; + CAN_Transmit(CAN1, &TxMessage); + + /* Loop while KEY button is pressed */ + while(STM_EVAL_PBGetState(BUTTON_KEY)== RESET) + { + } + } + if(STM_EVAL_PBGetState(BUTTON_TAMPER)== RESET) + { + /* Turn On LED2 */ + LED_Display(0x2); + TxMessage.Data[0] = 0xAA; + CAN_Transmit(CAN2, &TxMessage); + + /* Loop while TAMPER button is pressed */ + while(STM_EVAL_PBGetState(BUTTON_TAMPER)== RESET) + { + } + } + } +} + +/** + * @brief Configures CAN1 and CAN2. + * @param None + * @retval None + */ +void CAN_Config(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Configure CAN1 and CAN2 IOs **********************************************/ + /* GPIOB, GPIOD and AFIO clocks enable */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOB, ENABLE); + + /* Configure CAN1 RX pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; + GPIO_Init(GPIOD, &GPIO_InitStructure); + + /* Configure CAN2 RX pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; + GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* Configure CAN1 TX pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(GPIOD, &GPIO_InitStructure); + + /* Configure CAN2 TX pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; + GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* Remap CAN1 and CAN2 GPIOs */ + GPIO_PinRemapConfig(GPIO_Remap2_CAN1 , ENABLE); + GPIO_PinRemapConfig(GPIO_Remap_CAN2, ENABLE); + + /* Configure CAN1 and CAN2 **************************************************/ + /* CAN1 and CAN2 Periph clocks enable */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1 | RCC_APB1Periph_CAN2, ENABLE); + + /* CAN1 and CAN2 register init */ + CAN_DeInit(CAN1); + CAN_DeInit(CAN2); + + /* Struct init*/ + CAN_StructInit(&CAN_InitStructure); + + /* CAN1 and CAN2 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 = ENABLE; + CAN_InitStructure.CAN_Mode = CAN_Mode_Normal; + CAN_InitStructure.CAN_SJW = CAN_SJW_1tq; + CAN_InitStructure.CAN_BS1 = CAN_BS1_3tq; + CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq; + +#if CAN_BAUDRATE == 1000 /* 1MBps */ + CAN_InitStructure.CAN_Prescaler =6; +#elif CAN_BAUDRATE == 500 /* 500KBps */ + CAN_InitStructure.CAN_Prescaler =12; +#elif CAN_BAUDRATE == 250 /* 250KBps */ + CAN_InitStructure.CAN_Prescaler =24; +#elif CAN_BAUDRATE == 125 /* 125KBps */ + CAN_InitStructure.CAN_Prescaler =48; +#elif CAN_BAUDRATE == 100 /* 100KBps */ + CAN_InitStructure.CAN_Prescaler =60; +#elif CAN_BAUDRATE == 50 /* 50KBps */ + CAN_InitStructure.CAN_Prescaler =120; +#elif CAN_BAUDRATE == 20 /* 20KBps */ + CAN_InitStructure.CAN_Prescaler =300; +#elif CAN_BAUDRATE == 10 /* 10KBps */ + CAN_InitStructure.CAN_Prescaler =600; +#else + #error "Please select first the CAN Baudrate in Private defines in main.c " +#endif /* CAN_BAUDRATE == 1000 */ + + + /*Initializes the CAN1 and CAN2 */ + CAN_Init(CAN1, &CAN_InitStructure); + CAN_Init(CAN2, &CAN_InitStructure); + + /* CAN1 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 = 0x6420; + 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); + + /* CAN2 filter init */ + CAN_FilterInitStructure.CAN_FilterIdHigh =0x2460; + CAN_FilterInitStructure.CAN_FilterNumber = 15; + CAN_FilterInit(&CAN_FilterInitStructure); + + /* Transmit */ + TxMessage.StdId = 0x321; + TxMessage.ExtId = 0x01; + TxMessage.RTR = CAN_RTR_DATA; + TxMessage.IDE = CAN_ID_STD; + TxMessage.DLC = 1; +} + +/** + * @brief Initializes a Rx Message. + * @param CanRxMsg *RxMessage. + * @retval None + */ +void Init_RxMes(CanRxMsg *RxMessage) +{ + uint8_t i = 0; + + RxMessage->StdId = 0; + RxMessage->ExtId = 0; + RxMessage->IDE = CAN_ID_STD; + RxMessage->DLC = 0; + RxMessage->FMI = 0; + for (i = 0; i < 8; i++) + { + RxMessage->Data[i] = 0; + } +} + +/** + * @brief Configures the NVIC for CAN. + * @param None + * @retval None + */ +void NVIC_Config(void) +{ + NVIC_InitTypeDef NVIC_InitStructure; + + NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); + + NVIC_InitStructure.NVIC_IRQChannel = CAN1_RX0_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + NVIC_InitStructure.NVIC_IRQChannel = CAN2_RX0_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x1; + NVIC_Init(&NVIC_InitStructure); +} + +/** + * @brief Turn ON/OFF the dedicate led. + * @param Ledstatus: Communication status. + * @retval None + */ +void LED_Display(uint8_t Ledstatus) +{ + + + switch(Ledstatus) + { + case(1): + STM_EVAL_LEDOn(LED1); + LCD_DisplayStringLine(LCD_LINE_5, "CAN1 send Frame "); + LCD_DisplayStringLine(LCD_LINE_6, " "); + break; + + case(2): + STM_EVAL_LEDOn(LED2); + LCD_DisplayStringLine(LCD_LINE_5, " "); + LCD_DisplayStringLine(LCD_LINE_6, "CAN2 send Frame "); + break; + + case(3): + STM_EVAL_LEDOff(LED1); + STM_EVAL_LEDOn(LED3); + LCD_DisplayStringLine(LCD_LINE_5, "CAN1 receive Passed "); + break; + + case(4): + STM_EVAL_LEDOff(LED2); + STM_EVAL_LEDOn(LED4); + LCD_DisplayStringLine(LCD_LINE_6, "CAN2 receive Passed "); + break; + + case(5): + STM_EVAL_LEDOff(LED1); + STM_EVAL_LEDOff(LED3); + LCD_DisplayStringLine(LCD_LINE_7, "Communication Failed "); + break; + + case(6): + STM_EVAL_LEDOff(LED2); + STM_EVAL_LEDOff(LED4); + LCD_DisplayStringLine(LCD_LINE_7, "Communication Failed "); + break; + + default: + break; + } +} + +/** + * @brief Delay + * @param None + * @retval None + */ +void Delay(void) +{ + uint16_t nTime = 0x0000; + + for(nTime = 0; nTime <0xFFF; nTime++) + { + } +} + +#ifdef USE_FULL_ASSERT + +/** + * @brief Reports the name of the source file and the source line number + * where the assert_param error has occurred. + * @param file: pointer to the source file name + * @param line: assert_param error line source number + * @retval None + */ +void assert_failed(uint8_t* file, uint32_t 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 2011 STMicroelectronics *****END OF FILE****/ |