/**
******************************************************************************
* @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.
*
*
© COPYRIGHT 2011 STMicroelectronics
******************************************************************************
*/
/* 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****/