Danger-alarm/SOFTWARE/Source/ZC13.cpp

173 lines
4.9 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include "ZC13.hpp"
#include "common.h"
int ZC13_INIT()
{
uint tx_offset = pio_add_program(ZC13_PIO, &uart_tx_program);
uart_tx_program_init(ZC13_PIO, ZC13_PIO_SM_TX, tx_offset, ZC13_PIO_TX_PIN, ZC13_PIO_SERIAL_BAUD);
uint rx_offset = pio_add_program(ZC13_PIO, &uart_rx_program);
uart_rx_program_init(ZC13_PIO, ZC13_PIO_SM_RX, rx_offset, ZC13_PIO_RX_PIN, ZC13_PIO_SERIAL_BAUD);
return 0;
}
int ZC13_PIO_UART_TX_DATA(PIO pio, uint sm, uint8_t * DATA, int DATA_LEN)
{
for (int i = 0; i < DATA_LEN; i++) {
uart_tx_program_putc(pio, sm, DATA[i]);
sleep_ms(3);
}
return 0;
}
int ZC13_PIO_UART_RX_DATA(PIO pio, uint sm, uint8_t * DATA, int DATA_LEN)
{
char c = '\0';
int received_count = 0;
int timeout_ms = 100; // 设置较长的超时时间
while (received_count < DATA_LEN && timeout_ms > 0) {
if (uart_rx_program_available(pio, sm)) {
c = uart_rx_program_getc(pio, sm);
DATA[received_count++] = c;
printf("0x%X ", c);
if (c == '\n') {
// 接收到换行符,停止接收数据
break;
}
} else {
// 没有接收到数据,继续等待
sleep_ms(1);
timeout_ms--;
}
}
if (received_count == 0) {
// 没有接收到有效数据,可以进行相应的处理
return -1;
}
return received_count;
}
int ZC13(const char *model)
{
uint8_t CH4_DATA[270] = { 0 };
int CH4_DATA_LEN = 0;
// 发送指令
uint8_t CH4_CMD[9] = { 0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79 };
ZC13_PIO_UART_TX_DATA(ZC13_PIO, ZC13_PIO_SM_TX, CH4_CMD, sizeof(CH4_CMD));
sleep_ms(200);
// 接收指令
CH4_DATA_LEN = ZC13_PIO_UART_RX_DATA(ZC13_PIO, ZC13_PIO_SM_RX, CH4_DATA, 9);
printf("\n");
printf("%d\n", CH4_DATA_LEN);
uint8_t highByte = CH4_DATA[2]; // 假设这是气体浓度高位字节
uint8_t lowByte = CH4_DATA[3]; // 假设这是气体浓度高位字节
// 判断最高位是否为 1
if (highByte & 0x80) {
// 最高位是 1表示传感器故障
printf("CH4 sensor malfunction!\n");
} else {
if (CH4_DATA[1] == 0X86) {
if (0 == strcasecmp(model, "ZC05")) {
// 计算气体浓度值
uint16_t gasConcentration = (highByte & 0x3F) * 256 + lowByte;
// 输出气体浓度值
printf("CH4 Concentration: %uppm\n", gasConcentration);
return gasConcentration;
}
if (0 == strcasecmp(model, "ZC13")) {
// 计算气体浓度值
uint16_t gasConcentration = (highByte & 0x1F) * 256 + lowByte;
// 输出气体浓度值
printf("CH4 Concentration: %uppm\n", gasConcentration);
return gasConcentration;
}
}
}
return -1;
}
/*
int ZC13(const char *model)
{
char CH4_DATA[9] = { 0 };
int CH4_DATA_index = 0;
// 发送指令
char CH4_CMD[9] = { 0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79 };
for (int i = 0; i < 9; i++) {
uart_tx_program_putc(ZC13_PIO, ZC13_PIO_SM_TX, CH4_CMD[i]);
sleep_ms(1);
}
sleep_ms(200);
// 接收数据,直到收到换行符或达到缓冲区大小限制
char c = '\0';
int timeout_ms = 100; // 设置超时时间为100ms
int received_count = 0;
while (received_count < 9 && timeout_ms > 0) {
if (uart_rx_program_available(ZC13_PIO, ZC13_PIO_SM_RX)) {
c = uart_rx_program_getc(ZC13_PIO, ZC13_PIO_SM_RX);
CH4_DATA[CH4_DATA_index++] = c;
received_count++;
timeout_ms = 100; // 重置超时时间
} else {
sleep_ms(1);
timeout_ms--; // 减少超时时间
}
}
// 处理接收到的数据
for (int i = 0; i < 9; i++) {
printf("0x%X ", CH4_DATA[i]);
}
printf("\n");
uint8_t highByte = CH4_DATA[2]; // 假设这是气体浓度高位字节
uint8_t lowByte = CH4_DATA[3]; // 假设这是气体浓度高位字节
// 判断最高位是否为 1
if (highByte & 0x80) {
// 最高位是 1表示传感器故障
printf("CH4 sensor malfunction!\n");
} else {
if (CH4_DATA[1] == 0X86) {
if ( 0 == strcasecmp(model, "ZC05")) {
// 计算气体浓度值
uint16_t gasConcentration = (highByte & 0x3F) * 256 + lowByte;
// 输出气体浓度值
printf("CH4 Concentration: %uppm\n", gasConcentration);
return gasConcentration;
}
if ( 0 == strcasecmp(model, "ZC13")) {
// 计算气体浓度值
uint16_t gasConcentration = (highByte & 0x1F) * 256 + lowByte;
// 输出气体浓度值
printf("CH4 Concentration: %uppm\n", gasConcentration);
return gasConcentration;
}
}
}
return -1;
}
*/