Comments (3)
Latest ESP8266 RTOS SDK supports only one I2C port
components/esp8266/include/driver/i2c.h
typedef enum {
I2C_NUM_0 = 0, /*!< I2C port 0 */
I2C_NUM_MAX
} i2c_port_t;
from esp-idf-lib.
I fixed the driver reinstallation error for esp8266 in the latest master. Please do a git update.
With this fix you can use your devices on single HW I2C port like this:
static i2c_dev_t bh1750;
static bmp180_dev_t bmp180;
...
void some_task(void *pvParameters)
{
// Use I2C devices
....
}
...
void other_task(void *pvParameters)
{
// Use I2C devices
....
}
void app_main()
{
....
ESP_ERROR_CHECK(i2cdev_init()); // Init library
memset(&bh1750, 0, sizeof(i2c_dev_t)); // Zero BH1750 descriptor
memset(&bmp180, 0, sizeof(bmp180_dev_t)); // Zero BMP180 descriptor
// Init descriptors
ESP_ERROR_CHECK(bh1750_init_desc(&bh1750, BH1750_ADDR, 0, BH1750_SDA_GPIO, BH1750_SCL_GPIO));
ESP_ERROR_CHECK(bmp180_init_desc(&bmp180, 0, BMP180_SDA_GPIO, BMP180_SCL_GPIO));
...
// Init devices
ESP_ERROR_CHECK(bmp180_init(&bmp180));
ESP_ERROR_CHECK(bh1750_setup(&bh1750, BH1750_MODE_CONTINIOUS, BH1750_RES_HIGH));
...
// Create tasks and so on
...
}
from esp-idf-lib.
I'm closing this issue for now, feel free to reopen.
from esp-idf-lib.
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