MSPM0G3507——K210和M0通信（K210给M0发数据）

K210代码

import sensor, image, time, lcd
from fpioa_manager import fm
from machine import UART

# binding UART2 IO:6->RX, 8->TX
fm.register(6, fm.fpioa.UART2_RX)
fm.register(8, fm.fpioa.UART2_TX)

uart_A = UART(UART.UART2, 115200, 8, 1, 0, timeout=1000, read_buf_len=4096)



#串口发送函数
def usart_sendResult(a,b):
    data = bytearray([0xa3,0xb3, a, b, 0xc3]) #帧头 + 帧头 + a + b + 帧尾
    uart_A.write(data)      #串口发送
    print("a =", a) #终端显示


sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QQVGA) #160*120
sensor.skip_frames(time = 2000)
lcd.init(freq=15000000)            #初始化lcd
lcd.rotation(2)                    #lcd旋转（0-3）


a=0
b=0

while(True):
    img = sensor.snapshot()            #拍照
    lcd.display(img)                   #lcd显示
    usart_sendResult(a,b)
    a=a+1
    b=b+1
    time.sleep_ms(100)
    
    
    

M0端代码 

#include "ti_msp_dl_config.h"

#include "oled.h"
#include "stdio.h"
int openmv_data[5]; //openmv发来的数据包
int a1=5, a2=5,a3=5;
int b=0;



int data_test(int data[])           //判断数据是否合理的函数
{

	if(data[4]!=0xc3) return 0;  //帧尾
	
	//if(data[2]>150)   return 0;  //x坐标上限
	//if(data[3]>110)   return 0;  //y坐标上限
	
	return 1;
}







int main(void)
{

    	uint8_t str[64];
    SYSCFG_DL_init();

    NVIC_ClearPendingIRQ(UART_0_INST_INT_IRQN);                 //先清除一下中断，防止直接接入中断
    NVIC_EnableIRQ(UART_0_INST_INT_IRQN);                       //开启串口的中断



    OLED_Init();
	OLED_Fill(0x00);
    OLED_ShowStr(0,0,(unsigned char*)("MSPM0G3507"),1);

    while (1)
     {
         
        sprintf((char *)str, "%d", a1);
             OLED_ShowStr(0,2, str,2);

              sprintf((char *)str, "%d", a2);
             OLED_ShowStr(0,4, str,2);

               sprintf((char *)str, "%d", a3);
             OLED_ShowStr(100,0, str,2);

                sprintf((char *)str, "%d", b);
             OLED_ShowStr(0,6, str,2);

             b++;

    }
}








void UART_0_INST_IRQHandler(void)
{
    static int i=0;
    switch (DL_UART_Main_getPendingInterrupt(UART_0_INST)) 
    {
        case DL_UART_MAIN_IIDX_RX:

      


            openmv_data[i++] = DL_UART_Main_receiveData(UART_0_INST);	//接收数据
                  if(openmv_data[0]!=0xa3) i=0;             		//判断第一个帧头

                  if((i==2)&&(openmv_data[1]!=0xb3)) i=0;    		//判断第二个帧头

                  if(i==5)        //代表一组数据传输完毕
                {
                    i = 0;			
                    a3=data_test(openmv_data);
                    if( data_test(openmv_data) )             		//判断数据合理性
                    {
                        a1 = openmv_data[2]; 
                        a2 = openmv_data[3]; 
                       
                    }
                }





            break;
        default:
            break;
    }
}