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feat: 环境光与接近传感器接入。

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This commit is contained in:
Ivan Li 2023-02-05 23:09:08 +08:00
parent 4b538832c9
commit ea3541008f
6 changed files with 226 additions and 7 deletions
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3
.vscode/settings.json vendored
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@ -45,6 +45,7 @@
"led_strip.h": "c",
"esp_event.h": "c",
"string.h": "c",
"i2c.h": "c"
"i2c.h": "c",
"esp_log.h": "c"
}
}

2
main/CMakeLists.txt
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@ -1,2 +1,2 @@
idf_component_register(SRCS "temperature.c" "embedded_display.c" "ui.c" "mqtt.c" "main.c" "wifi.c" "light.c" "mqtt.c"
idf_component_register(SRCS "ambient_light.c" "temperature.c" "embedded_display.c" "ui.c" "mqtt.c" "main.c" "wifi.c" "light.c" "mqtt.c"
INCLUDE_DIRS ".")

203
main/ambient_light.c Normal file
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@ -0,0 +1,203 @@
#include <stdio.h>
#include <stdlib.h>
#include "driver/i2c.h"
#include "embedded_display.c"
#include "esp_log.h"
#define ACK_CHECK_EN 0x1 /*!< I2C master will check ack from slave*/
#define ACK_CHECK_DIS 0x0 /*!< I2C master will not check ack from slave */
#define ACK_VAL 0x0 /*!< I2C ack value */
#define NACK_VAL 0x1 /*!< I2C nack value */
#define I2C_MASTER_NUM CONFIG_I2C_NUM
#define APDS_9930_ADDRESS 0x39
#define APDS_9930_CMD_REPEATED 0x80 // 命令重复地址
#define APDS_9930_CMD_AUTO_INCREMENT 0x90 // 命令自动递增地址
// ----------------------------------- 描述 默认值
#define APDS_9930_REG_ENABLE 0x00 // 状态和中断的启用 0x00
#define APDS_9930_REG_ATIME 0x01 // ALS ADC 时间 0xff
#define APDS_9930_REG_PTIME 0x02 // Proximity ADC 时间 0xff
#define APDS_9930_REG_WTIME 0x03 // Wait 时间 0xff
#define APDS_9930_REG_PPULSE 0x0e // Proximity 脉冲计数 0x00
#define APDS_9930_REG_CONTROL 0x0f // 增益控制 0x00
#define APDS_9930_REG_Ch0DATAL 0x14 // Ch0 ADC Low data 0x00
#define APDS_9930_REG_Ch0DATAH 0x15 // Ch0 ADC High data 0x00
#define APDS_9930_REG_Ch1DATAL 0x16 // Ch1 ADC Low data 0x00
#define APDS_9930_REG_Ch1DATAH 0x17 // Ch1 ADC High data 0x00
#define APDS_9930_REG_PDATAL 0x18 // Proximity ADC Low data 0x00
#define APDS_9930_REG_PDATAH 0x19 // Proximity ADC High data 0x00
#define APDS_9930_REG_OFFSET 0x1e // Proximity 偏移 --
#define APDS_9930_ATIME_VALUE 0xff // 2.7 ms – minimum ALS integration time
#define APDS_9930_WTIME_VALUE 0xff // 2.7 ms – minimum Wait time
#define APDS_9930_PTIME_VALUE 0xff // 2.7 ms – minimum Prox integration time
#define APDS_9930_PPULSE_VALUE 0x08 // Minimum prox pulse count
#define APDS_9930_CONTROL_VALUE \
0b00101010 // LED 100mA, Proximity Diode Ch1,
// Proximity 4X, ALS 16 X
#define APDS_9930_ENABLE_VALUE 0b01000111
#define APDS_9930_OFFSET_VALUE 0x8f
#define AMBIENT_LIGHT_TAG "ambient-light"
esp_err_t apds_9930_write(uint8_t command, uint8_t data) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, APDS_9930_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, command, ACK_CHECK_EN);
i2c_master_write_byte(cmd, data, ACK_CHECK_EN);
i2c_master_stop(cmd);
esp_err_t error =
i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "write failed. %d", error);
}
return error;
}
esp_err_t apds_9930_write_word(uint8_t command, uint8_t data_l,
uint8_t data_h) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, APDS_9930_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, command, ACK_CHECK_EN);
i2c_master_write_byte(cmd, data_l, ACK_CHECK_EN);
i2c_master_write_byte(cmd, data_h, ACK_CHECK_EN);
i2c_master_stop(cmd);
esp_err_t error =
i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "write failed. %d", error);
}
return error;
}
esp_err_t apds_9930_read(uint8_t command, uint8_t* data) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, APDS_9930_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, command, ACK_CHECK_EN);
i2c_master_start(cmd);
i2c_master_write_byte(cmd, APDS_9930_ADDRESS << 1 | I2C_MASTER_READ,
ACK_CHECK_EN);
i2c_master_read_byte(cmd, data, NACK_VAL);
i2c_master_stop(cmd);
esp_err_t error =
i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "write failed. %d", error);
}
return error;
}
esp_err_t apds_9930_read_word(uint8_t command, uint8_t* data_l,
uint8_t* data_h) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, APDS_9930_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, command, ACK_CHECK_EN);
i2c_master_start(cmd);
i2c_master_write_byte(cmd, APDS_9930_ADDRESS << 1 | I2C_MASTER_READ,
ACK_CHECK_EN);
i2c_master_read_byte(cmd, data_l, ACK_VAL);
i2c_master_read_byte(cmd, data_h, NACK_VAL);
i2c_master_stop(cmd);
esp_err_t error =
i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, 1000 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "write failed. %d", error);
}
return error;
}
void ambient_light_fetch(void* arg) {
esp_err_t error;
uint16_t als_ch0_raw;
uint16_t als_ch1_raw;
uint16_t proximity_raw;
char als_ch0_str[10];
char als_ch1_str[10];
char proximity_str[10];
uint8_t als_ch0_buffer[] = {0, 0};
uint8_t als_ch1_buffer[] = {0, 0};
uint8_t proximity_buffer[] = {0, 0};
uint8_t enable_value;
display_fill_rect(0, 2, 128, 8, 0x00);
for (;;) {
// Proximity
error =
apds_9930_read_word(APDS_9930_CMD_AUTO_INCREMENT | APDS_9930_REG_PDATAL,
&(proximity_buffer[1]), &(proximity_buffer[0]));
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "read failed. %x", error);
} else {
proximity_raw = proximity_buffer[0] << 8 | proximity_buffer[1];
sprintf(proximity_str, "Prox: % 4d ", proximity_raw);
display_print8_str(8, 2, proximity_str);
ESP_LOGD(AMBIENT_LIGHT_TAG, "Prox: %d %x, %x %x", proximity_raw,
proximity_raw, proximity_buffer[0], proximity_buffer[1]);
}
// als ch0
error = apds_9930_read_word(
APDS_9930_CMD_AUTO_INCREMENT | APDS_9930_REG_Ch0DATAL,
&(als_ch0_buffer[1]), &(als_ch0_buffer[0]));
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "read failed. %x", error);
} else {
als_ch0_raw = als_ch0_buffer[0] << 8 | als_ch0_buffer[1];
sprintf(als_ch0_str, "Ch0: % 5d ", als_ch0_raw);
display_print8_str(8, 4, als_ch0_str);
ESP_LOGD(AMBIENT_LIGHT_TAG, "ALS Ch0: %d, %x", als_ch0_raw,
als_ch0_raw);
}
// als ch1
error = apds_9930_read_word(
APDS_9930_CMD_AUTO_INCREMENT | APDS_9930_REG_Ch1DATAL,
&(als_ch1_buffer[1]), &(als_ch1_buffer[0]));
if (error != ESP_OK) {
ESP_LOGW(AMBIENT_LIGHT_TAG, "read failed. %x", error);
} else {
als_ch1_raw = als_ch1_buffer[0] << 8 | als_ch1_buffer[1];
sprintf(als_ch1_str, "Ch1: % 5d ", als_ch1_raw);
display_print8_str(8, 6, als_ch1_str);
ESP_LOGD(AMBIENT_LIGHT_TAG, "ALS Ch1: %d, %x", als_ch1_raw,
als_ch1_raw);
}
vTaskDelay(pdMS_TO_TICKS(100));
}
display_fill_rect(0, 2, 128, 8, 0x00);
}
void ambient_light_auto_fetch() {
xTaskCreate(ambient_light_fetch, "ui_input_event", 2048, NULL, 10, NULL);
}
void ambient_light_init() {
// esp_log_level_set(AMBIENT_LIGHT_TAG, ESP_LOG_DEBUG);
ESP_ERROR_CHECK(apds_9930_write(APDS_9930_CMD_REPEATED | APDS_9930_REG_ATIME,
APDS_9930_ATIME_VALUE));
ESP_ERROR_CHECK(apds_9930_write(APDS_9930_CMD_REPEATED | APDS_9930_REG_PTIME,
APDS_9930_PTIME_VALUE));
ESP_ERROR_CHECK(apds_9930_write(APDS_9930_CMD_REPEATED | APDS_9930_REG_PPULSE,
APDS_9930_PPULSE_VALUE));
ESP_ERROR_CHECK(apds_9930_write(
APDS_9930_CMD_REPEATED | APDS_9930_REG_CONTROL, APDS_9930_CONTROL_VALUE));
ESP_ERROR_CHECK(apds_9930_write(APDS_9930_CMD_REPEATED | APDS_9930_REG_OFFSET,
APDS_9930_OFFSET_VALUE));
ESP_ERROR_CHECK(apds_9930_write(APDS_9930_CMD_REPEATED | APDS_9930_REG_ENABLE,
APDS_9930_ENABLE_VALUE));
}

11
main/embedded_display.c
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@ -38,6 +38,17 @@ void display_fill(uint8_t bmpData) {
}
}
}
void display_fill_rect(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1,
uint8_t bmpData) {
for (int y = y0; y < y1; y++) {
i2cWriteCommand(0xB0 + y);
i2cWriteCommand(0x01);
i2cWriteCommand(0x10);
for (int x = x0; x < x1; x++) {
i2cWriteData(bmpData);
}
}
}
void display_set_pos(uint8_t x, uint8_t y) {
i2cWriteCommand(0xB0 + y);

5
main/main.c
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@ -1,3 +1,4 @@
#include "ambient_light.c"
#include "driver/i2c.h"
#include "esp_log.h"
#include "freertos/FreeRTOS.h"
@ -44,8 +45,10 @@ void app_main(void) {
light_init_strip();
init_i2c();
init_display();
auto_fetch_temperature();
display_print8_str(0, 0, "Ambient Light");
ambient_light_init();
ambient_light_auto_fetch();
auto_fetch_temperature();
init_ui();
xTaskCreate(publish_ui_input, "ui_input_event", 2048, NULL, 10, NULL);
vTaskDelay(pdMS_TO_TICKS(10));

9
main/temperature.c
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@ -26,6 +26,7 @@ void fetch_temperature(void* arg) {
float temperature = DEFAULT_TEMPERATURE;
char temperature_str[10];
uint8_t temperature_buffer[] = {0, 0};
display_fill_rect(0, 0, 128, 2, 0x00);
for (;;) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
@ -59,13 +60,13 @@ void fetch_temperature(void* arg) {
temperature =
(temperature_buffer[0] << 3 | temperature_buffer[1] >> 5) * 0.125;
}
sprintf(temperature_str, "Temp: %.3f ", temperature);
sprintf(temperature_str, "Temp: %2.3f", temperature);
}
display_print8_str(8, 2, temperature_str);
display_print8_str(8, 0, temperature_str);
}
vTaskDelay(pdMS_TO_TICKS(1000));
vTaskDelay(pdMS_TO_TICKS(500));
}
display_fill_rect(0, 0, 128, 2, 0x00);
}
void auto_fetch_temperature() {