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change(i2c): Add check for scl frequency for master_bus_add_device

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Closes https://github.com/espressif/esp-idf/issues/12598
This commit is contained in:
Cao Sen Miao
2023-11-17 11:02:16 +08:00
parent 477e19f71c
commit 1625943486
1 changed files with 2 additions and 0 deletions
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components/driver/i2c/i2c_master.c
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@@ -871,6 +871,8 @@ esp_err_t i2c_master_bus_add_device(i2c_master_bus_handle_t bus_handle, const i2
{ {
esp_err_t ret = ESP_OK; esp_err_t ret = ESP_OK;
ESP_RETURN_ON_FALSE((bus_handle != NULL), ESP_ERR_INVALID_ARG, TAG, "this bus is not initialized, please call `i2c_new_master_bus`"); ESP_RETURN_ON_FALSE((bus_handle != NULL), ESP_ERR_INVALID_ARG, TAG, "this bus is not initialized, please call `i2c_new_master_bus`");
ESP_RETURN_ON_FALSE(dev_config, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
ESP_RETURN_ON_FALSE(dev_config->scl_speed_hz > 0, ESP_ERR_INVALID_ARG, TAG, "invalid scl frequency");
if(bus_handle->base->bus_mode != I2C_BUS_MODE_MASTER) { if(bus_handle->base->bus_mode != I2C_BUS_MODE_MASTER) {
ESP_LOGE(TAG, "This is not master bus!"); ESP_LOGE(TAG, "This is not master bus!");
return ESP_ERR_INVALID_ARG; return ESP_ERR_INVALID_ARG;