2022年TI杯大学生电子设计竞赛单相交流电子负载(A题)电路图程序资料分享 -

////////////////////////////////////////////////////////////////////////////////// )
// 说明:
// ----------------------------------------------------------------
// GND 电源地
// VCC 接5V或3.3v电源
// SCL 接PA5（SCL）
// SDA 接PA7（SDA）
// ----------------------------------------------------------------
// 矩阵键盘接B1、B15、B6、B7 C0、C1、C2、C3
// 4脚oled：SCL 接PA5，SDA 接PA7
//////////////////////////////////////////////////////////////////////////////////
#include "delay.h"
#include "sys.h"
#include "oled.h"
#include "bmp.h"
#include "key.h"
#include "usart.h"
int main(void)
{ u8 t;
unsigned int key=0, key_new=0;
double inv=0.0, ina=0.0;
u32 adc_V_t = 0, adc_A_t = 0;
double adc_V = 0,adc_A = 0;
delay_init(); //延时函数初始化
NVIC_Configuration(); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级 LED_Init(); //LED端口初始化
OLED_Init(); //初始化OLED
OLED_Clear() ;
KEY_Init();
uart_init(9600);
t=' ';
OLED_ShowString(0,0,"INV:", 12);
OLED_ShowString(0,2,"R1:", 12);
OLED_ShowString(45,2,"R2:", 12);
OLED_ShowString(0,4,"OUTV:", 12);
OLED_ShowString(0,6,"COS:", 12);
OLED_ShowString(66,0,"INA:", 12);
OLED_ShowString(85,2,"R3:", 12);
OLED_ShowString(66,4,"OUTA:", 12);
// inv = input_in_v();
// ina = input_in_a();
USART_TX_BUF_I[0] = 0x01;
USART_TX_BUF_I[1] = 0x03;
USART_TX_BUF_I[2] = 0x00;
USART_TX_BUF_I[3] = 0x01;
USART_TX_BUF_I[4] = 0x00;
USART_TX_BUF_I[5] = 0x02;
USART_TX_BUF_I[6] = 0x95;
USART_TX_BUF_I[7] = 0xCB;
USART_TX_BUF_V[0] = 0x01;
USART_TX_BUF_V[1] = 0x03;
USART_TX_BUF_V[2] = 0x00;
USART_TX_BUF_V[3] = 0x03;
USART_TX_BUF_V[4] = 0x00;
USART_TX_BUF_V[5] = 0x02;
USART_TX_BUF_V[6] = 0x34;
USART_TX_BUF_V[7] = 0x0B;
while(1)
{
USART_RX_STA = 0;
//电压
for(t=0;t<8;t++)
{
USART_SendData(USART1, USART_TX_BUF_V[t]);//向串口1发送数据
while(USART_GetFlagStatus(USART1,USART_FLAG_TC)!=SET);//等待发送结束
}
while(USART_RX_STA != 0x8000);
adc_V_t = USART_RX_BUF[3]*16777216 + USART_RX_BUF[4]*65536 + USART_RX_BUF[5]*256 + USART_RX_BUF[6];
adc_V = adc_V_t*0.00001;
OLED_ShowChar(6*(0+4),0, ((int)adc_V)/10 + '0',12);
OLED_ShowChar(6*(1+4),0, ((int)adc_V)%10 + '0',12);
OLED_ShowChar(6*(2+4),0, '.',12);
OLED_ShowChar(6*(3+4),0, ((int)(adc_V*10))%10 + '0',12);
OLED_ShowChar(6*(4+4),0, 'v',12);
USART_RX_STA = 0;
//电流
for(t=0;t<8;t++)
{
USART_SendData(USART1, USART_TX_BUF_I[t]);//向串口1发送数据
while(USART_GetFlagStatus(USART1,USART_FLAG_TC)!=SET);//等待发送结束
}
while(USART_RX_STA != 0x8000);
adc_A_t = USART_RX_BUF[3]*65536 + USART_RX_BUF[4]*256 + USART_RX_BUF[5];
adc_A = adc_A_t*0.00001;
OLED_ShowChar(6*(0+15),0, (int)adc_A + '0',12);
OLED_ShowChar(6*(1+15),0, '.',12);
OLED_ShowChar(6*(2+15),0, ((int)(adc_A*10))%10 + '0',12);
OLED_ShowChar(6*(3+15),0, ((int)(adc_A*100))%10 + '0',12);
OLED_ShowChar(6*(4+15),0, 'A',12);
}
}

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