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feat(pca9555): 编码器数据读取。

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This commit is contained in:
Ivan Li 2023-03-04 17:40:26 +08:00
parent bce9548aba
commit 66307c14a2
2 changed files with 81 additions and 1 deletions
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1
main/main.c
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@ -26,6 +26,7 @@ void app_main(void) {
ambient_light_auto_fetch();
auto_fetch_temperature();
pca9555_init();
pca9555_auto_fetch();
ui_input_init();
xTaskCreate(mqtt_publish_ui_input, "mqtt_publish_ui_input", 2048, NULL, 10,
NULL);

81
main/pca9555.c
View File

@ -19,8 +19,86 @@
#define PCA95555_CMD_CONFIGURATION_PORT_0 0x06
#define PCA95555_CMD_CONFIGURATION_PORT_1 0x07
esp_err_t pca9555_write_config(uint8_t cmd_byte, uint8_t data) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, PCA9555_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, cmd_byte, 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(PCA_9555_TAG, "write config failed. %d", error);
}
return error;
}
esp_err_t pca9555_write_output(uint8_t cmd_byte, uint8_t data) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, PCA9555_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, cmd_byte, 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(PCA_9555_TAG, "write output failed. %d", error);
}
return error;
}
esp_err_t pca9555_read_one_input(uint8_t cmd_byte, uint8_t* data) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, PCA9555_ADDRESS << 1 | I2C_MASTER_WRITE,
ACK_CHECK_EN);
i2c_master_write_byte(cmd, cmd_byte, ACK_CHECK_EN);
i2c_master_start(cmd);
i2c_master_write_byte(cmd, PCA9555_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(PCA_9555_TAG, "read input failed. %d", error);
}
return error;
}
void pca9555_fetch(void* arg) {
ESP_LOGI(PCA_9555_TAG, "fetching");
esp_err_t error;
uint8_t buff;
char disp_str[17];
display_fill_rect(0, 6, 128, 8, 0x00);
for (;;) {
error = pca9555_read_one_input(PCA95555_CMD_INPUT_PORT_1, &buff);
if (error != ESP_OK) {
ESP_LOGW(PCA_9555_TAG, "read failed. %x", error);
} else {
sprintf(disp_str, "IO0: 0x%2x ", buff);
display_print8_str(8, 6, disp_str);
ESP_LOGD(PCA_9555_TAG, "IO0: 0x%2x", buff);
}
vTaskDelay(pdMS_TO_TICKS(10));
}
display_fill_rect(0, 6, 128, 8, 0x00);
}
void pca9555_auto_fetch() {
if (is_apds_9930_online == 0) {
return;
}
xTaskCreate(pca9555_fetch, "pac05555-fetching", 2048, NULL, 10, NULL);
}
void pca9555_init() {
if (is_pca9555_online == 0) {
@ -28,5 +106,6 @@ void pca9555_init() {
return;
}
ESP_LOGI(PCA_9555_TAG, "Initializing PCA9555");
// esp_log_level_set(PCA_9555_TAG, ESP_LOG_ERROR);
esp_log_level_set(PCA_9555_TAG, ESP_LOG_DEBUG);
pca9555_write_config(PCA95555_CMD_CONFIGURATION_PORT_1, 0x01);
}