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MMC56x3 temp

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This commit is contained in:
leo 2022-12-20 11:01:33 +01:00
parent 67233261a3
commit ed23d0e97f
Signed by: leo
GPG Key ID: 0DD993BFB2B307DB
4 changed files with 42 additions and 3 deletions
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16
components/MMC56x3/MMC56x3.c
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@ -1,10 +1,17 @@
#include <stdint.h>
#include <stdio.h>
#include "MMC56x3.h"
#include "MMC56x3_hal.h"
#include "esp_err.h"
#include "esp_log.h"
#define PRODUCT_ID_1 0x39
#define TEMPERATURE 0x09
#define IC0 0x1B
#define STATUS1 0x18
#define TAKE_MEAS_T 1
#define MEAS_T_DONE 7
esp_err_t MMC56x3_get_product_ID(uint8_t* id){
ESP_ERROR_CHECK(i2c_read_reg(PRODUCT_ID_1, id, 1));
@ -12,6 +19,15 @@ esp_err_t MMC56x3_get_product_ID(uint8_t* id){
}
esp_err_t MMC56x3_get_temperature(uint8_t* temp){
uint8_t startMeas = 1<<TAKE_MEAS_T;
ESP_ERROR_CHECK(i2c_write_reg(IC0, &startMeas, 1));
for(int i=0; i<5; i++){ // wait for meas_t_done
uint8_t status1_content;
ESP_ERROR_CHECK(i2c_read_reg(STATUS1, &status1_content, 1));
ESP_LOGI("MMC56x3", "status 1 %d", status1_content);
if(status1_content & (1 << MEAS_T_DONE)) break;
i2c_hal_wait_ms(1);
}
ESP_ERROR_CHECK(i2c_read_reg(TEMPERATURE, temp, 1));
return ESP_OK;
}

15
components/MMC56x3/MMC56x3_hal.c
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@ -2,6 +2,7 @@
#include "driver/i2c.h"
#include "MMC56x3_hal.h"
#include "freertos/portmacro.h"
#include "hal/i2c_types.h"
#define MMC56x3_I2C_ADDRESS 0x30
@ -13,6 +14,16 @@ esp_err_t i2c_read_reg(uint8_t address, uint8_t* data, uint16_t count){
return err;
}
esp_err_t i2c_write_reg(uint8_t address, uint8_t* data, uint16_t count){
esp_err_t err=ESP_OK;
uint8_t buff[count+1];
buff[0]=address;
for(int i=0; i<count; i++) buff[i+1]=data[i];
i2c_write(&buff, count+1);
return err;
}
esp_err_t i2c_read(uint8_t* data, uint16_t count){
i2c_cmd_handle_t cmdLnk = i2c_cmd_link_create();
esp_err_t err = ESP_OK;
@ -37,3 +48,7 @@ esp_err_t i2c_write(const uint8_t* data, uint16_t count){
i2c_cmd_link_delete(cmdLnk);
return err;
}
void i2c_hal_wait_ms(uint16_t len){
vTaskDelay(len / portTICK_PERIOD_MS);
}

4
components/MMC56x3/include/MMC56x3_hal.h
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@ -1,4 +1,8 @@
#include "esp_err.h"
esp_err_t i2c_read_reg(uint8_t address, uint8_t* data, uint16_t count);
esp_err_t i2c_write_reg(uint8_t address, uint8_t* data, uint16_t count);
esp_err_t i2c_read(uint8_t* data, uint16_t count);
esp_err_t i2c_write(const uint8_t* data, uint16_t count);
void i2c_hal_wait_ms(uint16_t len);

8
main/CO2_Sense.c
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@ -45,7 +45,7 @@ void app_main(void){
.min_freq_mhz = 40,
.light_sleep_enable = true, // enable light sleep
};
ESP_ERROR_CHECK(esp_pm_configure(&pm_config));
//ESP_ERROR_CHECK(esp_pm_configure(&pm_config));
configuration_data_t* conf = malloc(sizeof(configuration_data_t));
@ -59,14 +59,18 @@ void app_main(void){
// start sensor
init_i2c();
init_scd4x();
init_battery_level_adc(conf->battery_conf);
uint8_t id=0;
MMC56x3_get_product_ID(&id);
uint8_t temp;
MMC56x3_get_temperature(&temp);
ESP_LOGI("MAIN", "MMC5603 product id %d", id);
ESP_LOGI("MAIN", "MMC measured temp is %d", temp);
init_scd4x();
scd4x_power_down();
switch(conf->sensor->mode){
case SCD4X_NORMAL_MODE:
ESP_ERROR_CHECK(scd4x_start_periodic_measurement());