fix(i2c): Use hardware fsm reset on esp32c6/h2/p4

2024-01-03 16:49:12 +08:00
parent 251239d59d
commit 0bf2b35b33
7 changed files with 21 additions and 4 deletions
@@ -42,7 +42,7 @@ static const char *TAG = "i2c.master";

 static esp_err_t s_i2c_master_clear_bus(i2c_bus_handle_t handle)
 {
-#if !SOC_I2C_SUPPORT_HW_FSM_RST
+#if !SOC_I2C_SUPPORT_HW_CLR_BUS
    const int scl_half_period = 5; // use standard 100kHz data rate
    int i = 0;
    gpio_set_direction(handle->scl_num, GPIO_MODE_OUTPUT_OD);
@@ -83,6 +83,7 @@ static esp_err_t s_i2c_master_clear_bus(i2c_bus_handle_t handle)
 static esp_err_t s_i2c_hw_fsm_reset(i2c_master_bus_handle_t i2c_master)
 {
    i2c_hal_context_t *hal = &i2c_master->base->hal;
+#if !SOC_I2C_SUPPORT_HW_FSM_RST
    i2c_hal_timing_config_t timing_config;
    uint8_t filter_cfg;

@@ -99,6 +100,10 @@ static esp_err_t s_i2c_hw_fsm_reset(i2c_master_bus_handle_t i2c_master)
    i2c_ll_clear_intr_mask(hal->dev, I2C_LL_INTR_MASK);
    i2c_hal_set_timing_config(hal, &timing_config);
    i2c_ll_master_set_filter(hal->dev, filter_cfg);
+#else
+    i2c_ll_master_fsm_rst(hal->dev);
+    s_i2c_master_clear_bus(i2c_master->base);
+#endif
    return ESP_OK;
 }