stm32f103c8t6can输出数据程序的main.h文件
时间: 2023-12-18 22:04:53 浏览: 42
以下是一个简单的STM32F103C8T6 CAN输出数据的main.h文件的示例:
```
#ifndef __MAIN_H
#define __MAIN_H
#include "stm32f10x.h"
#include "stm32f10x_can.h"
void RCC_Configuration(void);
void GPIO_Configuration(void);
void NVIC_Configuration(void);
void CAN_Configuration(void);
void Delay(__IO uint32_t nCount);
#endif
```
在这个文件中,引入了`stm32f10x.h`和`stm32f10x_can.h`头文件,这些头文件包含了我们所需的STM32F103C8T6和CAN的各种功能和库函数。
此外,还声明了一些函数来配置STM32F103C8T6和CAN,包括RCC(Reset and Clock Control)、GPIO(General Purpose Input/Output)和NVIC(Nested Vectored Interrupt Controller)的配置函数,以及CAN的配置函数。最后,定义了一个`Delay()`函数,用于延迟一段时间。
相关问题
stm32f103c8t6can输出数据程序
以下是基于HAL库的STM32F103C8T6CAN输出数据的示例代码:
首先,在CubeMX中配置CAN总线,确定使用的CAN口、波特率等参数,生成工程代码。
然后,在代码中添加以下代码:
```c
#include "main.h"
#include "stm32f1xx_hal.h"
CAN_HandleTypeDef hcan;
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_CAN_Init(void);
uint8_t msg[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_CAN_Init();
while (1)
{
CAN_TxHeaderTypeDef txHeader;
uint32_t txMailbox;
txHeader.StdId = 0x123;
txHeader.RTR = CAN_RTR_DATA;
txHeader.IDE = CAN_ID_STD;
txHeader.DLC = 8;
HAL_CAN_AddTxMessage(&hcan, &txHeader, msg, &txMailbox);
HAL_Delay(1000);
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
static void MX_CAN_Init(void)
{
hcan.Instance = CAN1;
hcan.Init.Prescaler = 4;
hcan.Init.Mode = CAN_MODE_NORMAL;
hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
hcan.Init.TimeSeg1 = CAN_BS1_13TQ;
hcan.Init.TimeSeg2 = CAN_BS2_2TQ;
hcan.Init.TimeTriggeredMode = DISABLE;
hcan.Init.AutoBusOff = DISABLE;
hcan.Init.AutoWakeUp = DISABLE;
hcan.Init.AutoRetransmission = ENABLE;
hcan.Init.ReceiveFifoLocked = DISABLE;
hcan.Init.TransmitFifoPriority = DISABLE;
if (HAL_CAN_Init(&hcan) != HAL_OK)
{
Error_Handler();
}
CAN_FilterTypeDef filter;
filter.FilterBank = 0;
filter.FilterMode = CAN_FILTERMODE_IDMASK;
filter.FilterScale = CAN_FILTERSCALE_32BIT;
filter.FilterIdHigh = 0x0000;
filter.FilterIdLow = 0x0000;
filter.FilterMaskIdHigh = 0x0000;
filter.FilterMaskIdLow = 0x0000;
filter.FilterFIFOAssignment = CAN_FILTER_FIFO0;
filter.FilterActivation = ENABLE;
if (HAL_CAN_ConfigFilter(&hcan, &filter) != HAL_OK)
{
Error_Handler();
}
}
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_RESET);
/*Configure GPIO pin : PA5 */
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}
```
在这个例子中,我们使用CAN1口,波特率是125kbps,发送的数据为8个字节,标准ID为0x123。
在主循环中,我们定义一个CAN_TxHeaderTypeDef类型的变量txHeader,设置发送的数据信息,包括数据长度、标准ID等。然后调用HAL_CAN_AddTxMessage函数将数据发送给CAN总线。
在本例中,我们只是每隔1秒钟不停地发送一个固定的消息。在实际应用中,你需要根据具体需求修改发送数据的内容和频率。
stm32f103c8t6can信号发送程序
以下是基于HAL库的STM32F103C8T6 CAN信号发送程序示例:
```c
#include "stm32f1xx_hal.h"
#define CAN_TX_PIN GPIO_PIN_12
#define CAN_RX_PIN GPIO_PIN_11
#define CAN_PORT GPIOA
CAN_HandleTypeDef hcan;
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_CAN_Init(void);
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_CAN_Init();
while (1)
{
CAN_TxHeaderTypeDef txHeader;
uint8_t txData[8] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
uint32_t txMailbox;
txHeader.StdId = 0x123;
txHeader.ExtId = 0x00;
txHeader.RTR = CAN_RTR_DATA;
txHeader.IDE = CAN_ID_STD;
txHeader.DLC = 8;
HAL_CAN_AddTxMessage(&hcan, &txHeader, txData, &txMailbox);
HAL_Delay(1000);
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
static void MX_CAN_Init(void)
{
hcan.Instance = CAN1;
hcan.Init.Prescaler = 3;
hcan.Init.Mode = CAN_MODE_NORMAL;
hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
hcan.Init.TimeSeg1 = CAN_BS1_12TQ;
hcan.Init.TimeSeg2 = CAN_BS2_2TQ;
hcan.Init.TimeTriggeredMode = DISABLE;
hcan.Init.AutoBusOff = ENABLE;
hcan.Init.AutoWakeUp = DISABLE;
hcan.Init.AutoRetransmission = ENABLE;
hcan.Init.ReceiveFifoLocked = DISABLE;
hcan.Init.TransmitFifoPriority = DISABLE;
if (HAL_CAN_Init(&hcan) != HAL_OK)
{
Error_Handler();
}
CAN_FilterTypeDef canFilter;
canFilter.FilterMode = CAN_FILTERMODE_IDMASK;
canFilter.FilterScale = CAN_FILTERSCALE_32BIT;
canFilter.FilterIdHigh = 0x0000;
canFilter.FilterIdLow = 0x0000;
canFilter.FilterMaskIdHigh = 0x0000;
canFilter.FilterMaskIdLow = 0x0000;
canFilter.FilterFIFOAssignment = CAN_RX_FIFO0;
canFilter.FilterActivation = ENABLE;
canFilter.FilterBank = 0;
if (HAL_CAN_ConfigFilter(&hcan, &canFilter) != HAL_OK)
{
Error_Handler();
}
}
static void MX_GPIO_Init(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct = {0};
GPIO_InitStruct.Pin = CAN_TX_PIN | CAN_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(CAN_PORT, &GPIO_InitStruct);
__HAL_AFIO_REMAP_CAN1_2();
}
```
这个程序通过CAN1口发送一个标准ID为0x123的8字节CAN帧。你需要将CAN_TX_PIN和CAN_RX_PIN连接到CAN总线上,并且根据实际情况修改CAN滤波器设置。