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change(i2c_master): Change return value when NACK detected

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Chen Chen
2025-08-14 15:18:47 +08:00
parent 892ec6a114
commit c35ddc1258
4 changed files with 35 additions and 10 deletions
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2
components/esp_driver_i2c/i2c_master.c
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@@ -701,7 +701,7 @@ static esp_err_t s_i2c_transaction_start(i2c_master_dev_handle_t i2c_dev, int xf
s_i2c_send_commands(i2c_master, ticks_to_wait);
// Wait event bits
if (atomic_load(&i2c_master->status) != I2C_STATUS_DONE) {
ret = ESP_ERR_INVALID_STATE;
ret = ESP_ERR_INVALID_RESPONSE; // NACK is received
}
// Interrupt can be disabled when on transaction finishes.
i2c_ll_disable_intr_mask(hal->dev, I2C_LL_MASTER_EVENT_INTR);