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这次提交基于FreeRTOS能正常运行。

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还存在微小问题，由于CO2传感器必须通过看门狗重启一次后才能正常，这个问题还没解决。（喂狗只在CO2函数内，保证能重启RP2040）
This commit is contained in:
aixiao
2024-08-11 22:11:50 +08:00
parent 60542be965
commit f4bd30a4dc
10 changed files with 74 additions and 139 deletions
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17
SOFTWARE-FreeRTOS/Source/MHZ14B.cpp
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@@ -1,5 +1,6 @@
#include "MHZ14B.hpp"
#include "common.hpp"
#include "HC-12.hpp"
void MH_Z14B_INIT()
{
@@ -9,12 +10,13 @@ void MH_Z14B_INIT()
gpio_set_function(UART1_RX_PIN, GPIO_FUNC_UART);
uart_set_hw_flow(UART1, false, false);
uart_set_format(UART1, DATA_BITS, STOP_BITS, PARITY);
return ;
}
// CO2
static uint16_t MH_Z14B(int *MH_Z14B_DATA_IS_OK)
{
// 0x86 读气体浓度值
uint8_t CMD[9] = { 0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79 };
uart_write_blocking(UART1, CMD, 9);
@@ -28,7 +30,8 @@ static uint16_t MH_Z14B(int *MH_Z14B_DATA_IS_OK)
uint16_t CO2_CONC = (256 * CO2_DATA[2]) + CO2_DATA[3];
// 校验
uint8_t CHECKSUM = (0xFF - (CO2_DATA[1] + CO2_DATA[2] + CO2_DATA[3] + CO2_DATA[4] + CO2_DATA[5] + CO2_DATA[6] + CO2_DATA[7])) + 1;
uint8_t CHECKSUM = (0xFF - (CO2_DATA[1] + CO2_DATA[2] + CO2_DATA[3] + CO2_DATA[4] + \
CO2_DATA[5] + CO2_DATA[6] + CO2_DATA[7])) + 1;
if (CO2_DATA[8] == CHECKSUM && CO2_DATA[1] == 0x86) {
//printf("CHECKSUM: %X = %X\n", CO2_DATA[8], CHECKSUM);
@@ -49,6 +52,7 @@ static uint16_t MH_Z14B(int *MH_Z14B_DATA_IS_OK)
printf("CO2 concentration reading failed!\n");
}
return CO2_CONC;
}
@@ -61,13 +65,20 @@ void CO2(void *pvParameters)
while (1) {
CO2_DATA = MH_Z14B(&MH_Z14B_DATA_IS_OK);
if (CO2_DATA != -1 && MH_Z14B_DATA_IS_OK == 1) {
if (CO2_DATA != -1 && MH_Z14B_DATA_IS_OK == 1) {
printf("CO2 Concentration: %d ppm\n", CO2_DATA);
char CO2_DATA_TEMP[BUFER] = { 0 };
sprintf(CO2_DATA_TEMP, "CO2 Concentration: %d ppm\n", CO2_DATA);
_HC_12(CO2_DATA_TEMP);
}
//_printTaskStackHighWaterMark("CO2");
watchdog_update(); // 喂狗
vTaskDelay(pdMS_TO_TICKS(3000)); // 非阻塞延时
printf("\n");
}
return ;
}