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Added support new I2C driver for ESP32

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Alexey Zholtikov
2024-06-16 14:06:12 +03:00
parent c2aa5f5eeb
commit 319a85be60
2 changed files with 14 additions and 15 deletions
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15
README.md
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@@ -35,13 +35,13 @@ void app_main(void)
#ifdef CONFIG_IDF_TARGET_ESP8266 #ifdef CONFIG_IDF_TARGET_ESP8266
i2c_config_t i2c_config = { i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER, .mode = I2C_MODE_MASTER,
.sda_io_num = GPIO_NUM_04, // In accordance with used chip. .sda_io_num = GPIO_NUM_4, // In accordance with used chip.
.sda_pullup_en = GPIO_PULLUP_ENABLE, .sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = GPIO_NUM_05, // In accordance with used chip. .scl_io_num = GPIO_NUM_5, // In accordance with used chip.
.scl_pullup_en = GPIO_PULLUP_ENABLE, .scl_pullup_en = GPIO_PULLUP_ENABLE,
}; };
i2c_param_config(I2C_PORT, &i2c_config);
i2c_driver_install(I2C_PORT, i2c_config.mode); i2c_driver_install(I2C_PORT, i2c_config.mode);
i2c_param_config(I2C_PORT, &i2c_config);
#else #else
i2c_master_bus_config_t i2c_bus_config = { i2c_master_bus_config_t i2c_bus_config = {
.clk_source = I2C_CLK_SRC_DEFAULT, .clk_source = I2C_CLK_SRC_DEFAULT,
@@ -55,15 +55,18 @@ void app_main(void)
i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle); i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle);
#endif #endif
zh_bh1750_init_config_t zh_bh1750_init_config = ZH_BH1750_INIT_CONFIG_DEFAULT(); zh_bh1750_init_config_t zh_bh1750_init_config = ZH_BH1750_INIT_CONFIG_DEFAULT();
zh_bh1750_init_config.i2c_port = I2C_PORT; // Required only for ESP8266. #ifdef CONFIG_IDF_TARGET_ESP8266
zh_bh1750_init_config.i2c_handle = i2c_bus_handle; // Required only for ESP32. 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_init(&zh_bh1750_init_config);
zh_bh1750_adjust(69); // Just for an example of how to change the sensor sensitivity. zh_bh1750_adjust(69); // Just for an example of how to change the sensor sensitivity.
float lux = 0.0; float lux = 0.0;
for (;;) for (;;)
{ {
zh_bh1750_read(&lux); zh_bh1750_read(&lux);
printf("Lux %0.2f\n", lux); printf("Lux %d\n", (uint32_t)lux);
vTaskDelay(1000 / portTICK_PERIOD_MS); vTaskDelay(1000 / portTICK_PERIOD_MS);
} }
} }

14
include/zh_bh1750.h
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@@ -10,12 +10,6 @@
#include "freertos/FreeRTOS.h" #include "freertos/FreeRTOS.h"
#include "freertos/task.h" #include "freertos/task.h"
#ifdef CONFIG_IDF_TARGET_ESP8266
typedef struct
{
} i2c_master_bus_handle_t;
#endif
/** /**
* @brief Default values for zh_bh1750_init_config_t structure for initial initialization of the sensor. * @brief Default values for zh_bh1750_init_config_t structure for initial initialization of the sensor.
* *
@@ -25,8 +19,7 @@ typedef struct
.i2c_address = I2C_ADDRESS_LOW, \ .i2c_address = I2C_ADDRESS_LOW, \
.operation_mode = HIGH_RESOLUTION, \ .operation_mode = HIGH_RESOLUTION, \
.work_mode = ONE_TIME, \ .work_mode = ONE_TIME, \
.i2c_port = 0, \ .i2c_port = 0 \
.i2c_handle = 0 \
} }
#ifdef __cplusplus #ifdef __cplusplus
@@ -59,8 +52,11 @@ extern "C"
CONTINUOUSLY, // Continuously measurement. CONTINUOUSLY, // Continuously measurement.
ONE_TIME // One time measurement. Sensor is power down after measurement. ONE_TIME // One time measurement. Sensor is power down after measurement.
} work_mode; } work_mode;
bool i2c_port; // I2C port. bool i2c_port; // I2C port.
#ifndef CONFIG_IDF_TARGET_ESP8266
i2c_master_bus_handle_t i2c_handle; // Unique I2C bus handle. i2c_master_bus_handle_t i2c_handle; // Unique I2C bus handle.
#endif
} zh_bh1750_init_config_t; } zh_bh1750_init_config_t;
/** /**