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Version 1.0.1

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Added support new I2C driver for ESP32.
This commit is contained in:
Alexey Zholtikov
2024-06-16 14:08:35 +03:00
parent 236feb1140
commit f77318150c
4 changed files with 68 additions and 24 deletions
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29
README.md
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@ -32,32 +32,41 @@ Reading the sensor:
void app_main(void)
{
esp_log_level_set("zh_bh1750", ESP_LOG_NONE);
#ifdef CONFIG_IDF_TARGET_ESP8266
i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER,
.sda_io_num = GPIO_NUM_21, // In accordance with used chip.
.sda_io_num = GPIO_NUM_4, // In accordance with used chip.
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = GPIO_NUM_22, // In accordance with used chip.
.scl_io_num = GPIO_NUM_5, // In accordance with used chip.
.scl_pullup_en = GPIO_PULLUP_ENABLE,
#ifndef CONFIG_IDF_TARGET_ESP8266
.master.clk_speed = 100000,
#endif
};
#ifdef CONFIG_IDF_TARGET_ESP8266
i2c_param_config(I2C_PORT, &i2c_config);
i2c_driver_install(I2C_PORT, i2c_config.mode);
#else
i2c_param_config(I2C_PORT, &i2c_config);
i2c_driver_install(I2C_PORT, i2c_config.mode, 0, 0, 0);
#else
i2c_master_bus_config_t i2c_bus_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_PORT,
.scl_io_num = GPIO_NUM_22, // In accordance with used chip.
.sda_io_num = GPIO_NUM_21, // In accordance with used chip.
.glitch_ignore_cnt = 7,
.flags.enable_internal_pullup = true,
};
i2c_master_bus_handle_t i2c_bus_handle;
i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle);
#endif
zh_bh1750_init_config_t zh_bh1750_init_config = ZH_BH1750_INIT_CONFIG_DEFAULT();
#ifdef CONFIG_IDF_TARGET_ESP8266
zh_bh1750_init_config.i2c_port = I2C_PORT;
#else
zh_bh1750_init_config.i2c_handle = i2c_bus_handle;
#endif
zh_bh1750_init(&zh_bh1750_init_config);
zh_bh1750_adjust(69); // Just for an example of how to change the sensor sensitivity.
float lux = 0.0;
for (;;)
{
zh_bh1750_read(&lux);
printf("Lux %0.2f\n", lux);
printf("Lux %d\n", (uint32_t)lux);
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
}