230 lines
6.8 KiB
C
230 lines
6.8 KiB
C
#include "main.h"
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unsigned int calccrc(unsigned char crcbuf, unsigned int crc)
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{
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unsigned char i;
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unsigned char chk;
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crc = crc ^ crcbuf;
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for (i = 0; i < 8; i++) {
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chk = (unsigned char)(crc & 1);
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crc = crc >> 1;
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crc = crc & 0x7fff;
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if (chk == 1)
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crc = crc ^ 0xa001;
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crc = crc & 0xffff;
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}
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return crc;
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}
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unsigned int chkcrc(unsigned char *buf, unsigned char len)
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{
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unsigned char hi, lo;
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unsigned int i;
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unsigned int crc;
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crc = 0xFFFF;
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for (i = 0; i < len; i++) {
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crc = calccrc(*buf, crc);
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buf++;
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}
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hi = (unsigned char)(crc % 256);
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lo = (unsigned char)(crc / 256);
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crc = (((unsigned int)(hi)) << 8) | lo;
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return crc;
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}
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void read_data(void)
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{
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static int i = 0;
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union crcdata {
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unsigned int word16;
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unsigned char byte[2];
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} crcnow;
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if (read_enable == 1) // 到时间抄读模块，抄读间隔 1 秒钟(或其他)
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{
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read_enable = 0;
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Tx_Buffer[0] = Read_ID; //模块的 ID 号，默认 ID 为 0x01
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Tx_Buffer[1] = 0x03;
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Tx_Buffer[2] = 0x00;
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Tx_Buffer[3] = 0x48;
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Tx_Buffer[4] = 0x00;
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Tx_Buffer[5] = 0x08;
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crcnow.word16 = chkcrc(Tx_Buffer, 6);
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Tx_Buffer[6] = crcnow.byte[1]; //CRC 效验低字节在前
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Tx_Buffer[7] = crcnow.byte[0];
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// 发送数据
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uart_write_blocking(UART0, Tx_Buffer, 8);
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sleep_ms(10);
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// 接收数据
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uint8_t _DATA[37] = { 0 };
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uart_read_blocking(UART0, _DATA, 37);
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for (i = 0; i <= 37 - 1; i++) {
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//printf("0x%X ", _DATA[i]);
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Rx_Buffer[i] = _DATA[i];
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}
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sleep_ms(10);
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}
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}
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void Analysis_data(void)
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{
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unsigned char i;
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union crcdata {
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unsigned int word16;
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unsigned char byte[2];
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} crcnow;
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if (receive_finished == 1) // 接收完成
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{
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receive_finished = 0;
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if (Rx_Buffer[0] == Read_ID) // 确认 ID 正确
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{
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crcnow.word16 = chkcrc(Rx_Buffer, receive_number - 2); // receive_number 是接收数据总长度
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if ((crcnow.byte[0] == Rx_Buffer[receive_number - 1]) && (crcnow.byte[1] == Rx_Buffer[receive_number - 2])) // 确认 CRC 校验正确
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{
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Voltage_data = (((unsigned long)(Rx_Buffer[3])) << 24) | (((unsigned long)(Rx_Buffer[4])) << 16) | (((unsigned long)(Rx_Buffer[5])) << 8) | Rx_Buffer[6];
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Current_data = (((unsigned long)(Rx_Buffer[7])) << 24) | (((unsigned long)(Rx_Buffer[8])) << 16) | (((unsigned long)(Rx_Buffer[9])) << 8) | Rx_Buffer[10];
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Power_data = (((unsigned long)(Rx_Buffer[11])) << 24) | (((unsigned long)(Rx_Buffer[12])) << 16) | (((unsigned long)(Rx_Buffer[13])) << 8) | Rx_Buffer[14];
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Energy_data = (((unsigned long)(Rx_Buffer[15])) << 24) | (((unsigned long)(Rx_Buffer[16])) << 16) | (((unsigned long)(Rx_Buffer[17])) << 8) | Rx_Buffer[18];
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Pf_data = (((unsigned long)(Rx_Buffer[19])) << 24) | (((unsigned long)(Rx_Buffer[20])) << 16) | (((unsigned long)(Rx_Buffer[21])) << 8) | Rx_Buffer[22];
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CO2_data = (((unsigned long)(Rx_Buffer[23])) << 24) | (((unsigned long)(Rx_Buffer[24])) << 16) | (((unsigned long)(Rx_Buffer[25])) << 8) | Rx_Buffer[26];
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Temperature_data = (((unsigned long)(Rx_Buffer[27])) << 24) | (((unsigned long)(Rx_Buffer[28])) << 16) | (((unsigned long)(Rx_Buffer[29])) << 8) | Rx_Buffer[30];
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Hz_data = (((unsigned long)(Rx_Buffer[31])) << 24) | (((unsigned long)(Rx_Buffer[32])) << 16) | (((unsigned long)(Rx_Buffer[33])) << 8) | Rx_Buffer[34];
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}
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}
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}
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}
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void Print_data(void)
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{
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float voltage_value = (float)Voltage_data * 0.0001;
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printf("电压: %.2f V\n", voltage_value);
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float current_data = (float)Current_data * 0.0001;
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printf("电流: %.2f A\n", current_data);
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float power_data = (float)Power_data * 0.0001;
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printf("功率: %.2f W\n", power_data);
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float energy_data = (float)Energy_data * 0.0001;
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printf("电能: %.2f KWH\n", energy_data);
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float pf_data = (float)Pf_data * 0.001;
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printf("功率因数: %.2f \n", pf_data);
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float cO2_data = (float)CO2_data * 0.0001;
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printf("二氧化碳: %.2f KG\n", cO2_data);
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printf("温度: %.2f ℃\n", (float)Temperature_data * 0.01);
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printf("频率: %.2f HZ\n", (float)Hz_data * 0.01);
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return;
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}
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// 电能清零
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void Electric_energy_(int sec)
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{
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uint8_t RETURN_DATA[8] = { 0 };
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uint8_t ELE_ZRRO[13] = { 0x01, 0x10, 0x00, 0x4B, 0x00, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0xB6, 0x2C };
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// 加入从开机算起60秒后
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if (sec >= 3) {
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printf("电能清零\n");
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uart_write_blocking(UART0, ELE_ZRRO, 13);
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sleep_ms(10);
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uart_read_blocking(UART0, RETURN_DATA, 8);
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for (int i = 0; i <= 8 - 1; i++) {
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printf("0x%X ", RETURN_DATA[i]);
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}
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printf("\n");
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}
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return;
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}
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static uint16_t IM1253B(void)
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{
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static int i = 0;
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// 初始化UART
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uart_init(UART0, BAUD_RATE);
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gpio_set_function(UART0_TX_PIN, GPIO_FUNC_UART);
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gpio_set_function(UART0_RX_PIN, GPIO_FUNC_UART);
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uart_set_hw_flow(UART0, false, false);
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uart_set_format(UART0, DATA_BITS, STOP_BITS, PARITY);
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sleep_ms(10);
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/*
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// 官方软件内部按钮发送的数据
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// 电能清零 TX[13]:01 10 00 4B 00 02 04 00 00 00 00 B6 2C
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// RX[8]:01 10 00 4B 00 02 31 DE
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// 读取 TX[8]:00 03 00 01 00 04 14 18
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// RX[13]:01 03 08 02 35 01 08 41 30 01 05 44 BD (直流模块)
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// 设置 TX[11]:00 10 00 04 00 01 02 01 05 6B D7
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// RX[8]:01 10 00 04 00 01 40 08
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*/
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// 发送
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read_enable = 1;
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read_data();
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sleep_ms(10);
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// 发送完成后接收数据并处理
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receive_number = 37;
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receive_finished = 1;
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Analysis_data();
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// 打印原始十六进制数据
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for (i = 0; i <= 37 - 1; i++) {
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printf("0x%X ", Rx_Buffer[i]);
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}
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printf("\n");
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// 打印处理后的数据
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Print_data();
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return 0;
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}
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int main(void)
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{
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stdio_init_all();
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sleep_ms(1000);
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set_sys_clock_khz(250000, true);
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// 启动看门狗, 程序如果有阻塞或者程序逻辑错误重启
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if (watchdog_caused_reboot()) { // 判断是否从看门狗启动或者正常启动
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printf("Rebooted by Watchdog!\n");
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} else {
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printf("Clean boot\n");
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}
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watchdog_enable(8300, 1); // 8秒检测是否重新加载看门狗计数器. (不更新计数器则重启硬件, 最高8秒(8秒后不喂狗硬件重启))
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watchdog_start_tick(12);
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sec = 0;
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printf("IM1253B Module\n");
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while (1) {
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watchdog_update(); // 喂狗
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IM1253B();
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printf("\n");
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// 电能清零
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sec++;
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Electric_energy_(sec);
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sleep_ms(2000);
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}
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return 0;
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}
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