openmv与stm32f103ZET6
时间: 2023-08-07 09:08:08 浏览: 57
OpenMV与STM32F103ZET6之间的关系是什么?
回答: OpenMV与STM32F103ZET6是在设计中选择的不同部件。OpenMV是指OpenMV4 Cam H7,它是由星瞳科技代理的一种硬件设备,用于图像处理和计算机视觉应用。而STM32F103ZET6是一种主控芯片,用于控制和管理整个系统。在设计中,将主控从STM32F103ZET6系统板替换为STM32F103C8T6最小系统板,以降低成本。所以OpenMV与STM32F103ZET6是在该设计中扮演不同角色的部件。 [3
相关问题
openmv与stm32f103zet6串口通信
要在OpenMV和STM32F103ZET6之间建立串口通信,可以按照以下步骤进行操作:
1. 在OpenMV IDE中打开一个新的Python脚本,添加以下代码:
```python
import serial
import time
#Serial communication settings
SERIAL_PORT = "COM3" #Replace with the serial port of your STM32F103ZET6
SERIAL_BAUDRATE = 115200 #Replace with the baudrate of your STM32F103ZET6
#Initialize serial communication
ser = serial.Serial(SERIAL_PORT, SERIAL_BAUDRATE, timeout=0)
#Send data to STM32F103ZET6
ser.write(b"Hello from OpenMV!\n")
#Read data from STM32F103ZET6
data = ser.readline().strip()
#Print received data
print(data)
#Close serial communication
ser.close()
```
2. 将OpenMV与电脑连接,并将OpenMV的串口连接到STM32F103ZET6的串口。
3. 将STM32F103ZET6编程,使其能够接收和发送串口数据。例如:
```c
#include "stm32f10x.h"
USART_InitTypeDef USART_InitStructure;
void USART_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
//Enable GPIOA clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
//Enable USART1 clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
//Configure USART1 Tx (PA9) as alternate function push-pull
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//Configure USART1 Rx (PA10) as input floating
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//Configure USART1
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
//Enable USART1
USART_Cmd(USART1, ENABLE);
}
int main(void)
{
char data[100];
//Configure USART1
USART_Configuration();
while (1) {
//Check if data is received
if (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == SET) {
//Read data from USART1
int i = 0;
while (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == SET) {
data[i] = USART_ReceiveData(USART1);
i++;
}
data[i] = '\0';
//Send received data back to OpenMV
USART_SendString(USART1, data);
}
}
}
void USART_SendString(USART_TypeDef* USARTx, char* str)
{
while (*str) {
//Wait for Tx buffer to be empty
while (USART_GetFlagStatus(USARTx, USART_FLAG_TXE) == RESET);
//Send character through USARTx
USART_SendData(USARTx, *str++);
}
}
```
4. 将STM32F103ZET6连接到电脑,并打开串口终端程序,例如TeraTerm。
5. 在OpenMV IDE中运行Python脚本,将数据发送到STM32F103ZET6。可以在串口终端程序中看到接收到的数据,并且STM32F103ZET6会将数据发送回OpenMV。
6. 在Python脚本中读取STM32F103ZET6发送的数据,并进行相应的处理。例如:
```python
#Read data from STM32F103ZET6
data = ser.readline().strip()
#Convert data to string
data_str = str(data, 'utf-8')
#Print received data
print(data_str)
```
7. 在STM32F103ZET6中,处理接收到的数据并发送回OpenMV。例如:
```c
void USART_SendString(USART_TypeDef* USARTx, char* str)
{
while (*str) {
//Wait for Tx buffer to be empty
while (USART_GetFlagStatus(USARTx, USART_FLAG_TXE) == RESET);
//Send character through USARTx
USART_SendData(USARTx, *str++);
}
}
void process_data(char* data)
{
//Do something with received data
//...
//Send data back to OpenMV
USART_SendString(USART1, data);
}
int main(void)
{
char data[100];
//Configure USART1
USART_Configuration();
while (1) {
//Check if data is received
if (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == SET) {
//Read data from USART1
int i = 0;
while (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == SET) {
data[i] = USART_ReceiveData(USART1);
i++;
}
data[i] = '\0';
//Process received data
process_data(data);
}
}
}
```
通过以上步骤,就可以在OpenMV和STM32F103ZET6之间建立串口通信。可以根据实际需要,在Python脚本和STM32F103ZET6代码中进行相应的修改。
OpenMV与STM32F103ZET6串口通信代码
当OpenMV与STM32F103ZET6进行串口通信时,你可以使用以下代码作为参考:
在OpenMV的代码中,使用`uart`模块进行串口通信。首先,你需要初始化串口,并设置波特率、数据位、停止位和校验位。然后,你可以使用`uart.write()`发送数据,使用`uart.read()`接收数据。
下面是一个示例代码:
```python
import time
from pyb import UART
# 初始化串口
uart = UART(3, 115200) # 选择串口号和波特率
while(True):
# 发送数据
uart.write("Hello STM32!\n")
# 接收数据
if uart.any():
data = uart.readline()
print("Received:", data)
time.sleep(1)
```
在STM32F103ZET6的代码中,你需要先初始化串口,并设置相同的波特率、数据位、停止位和校验位。然后,你可以使用`HAL_UART_Transmit()`发送数据,使用`HAL_UART_Receive()`接收数据。
下面是一个示例代码:
```c
#include "stm32f1xx_hal.h"
UART_HandleTypeDef huart1;
int main(void)
{
// 初始化串口
HAL_Init();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_USART1_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
huart1.Init.WordLength = UART_WORDLENGTH_8B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
HAL_UART_Init(&huart1);
while (1)
{
// 接收数据
uint8_t data[20];
if (HAL_UART_Receive(&huart1, data, 20, 100) == HAL_OK)
{
// 处理接收到的数据
HAL_UART_Transmit(&huart1, data, strlen(data), 100);
}
// 发送数据
char *msg = "Hello OpenMV!\n";
HAL_UART_Transmit(&huart1, (uint8_t *)msg, strlen(msg), 100);
HAL_Delay(1000);
}
}
```
这是一个简单的示例,可以实现OpenMV与STM32F103ZET6之间的串口通信。你可以根据实际需求进行修改和扩展。希望对你有帮助!如果有其他问题,请随时提问。