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refactor(i2c): Add reset and clock control to i2c ll layer

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This commit is contained in:
Cao Sen Miao
2024-07-04 12:29:05 +08:00
committed by BOT
parent 5847ba0b9a
commit a44f8179de
15 changed files with 392 additions and 27 deletions
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components/driver/i2c/i2c_common.c
+11 -5
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -56,9 +56,13 @@ static esp_err_t s_i2c_bus_handle_aquire(i2c_port_num_t port_num, i2c_bus_handle
bus->bus_mode = mode;
// Enable the I2C module
periph_module_enable(i2c_periph_signal[port_num].module);
periph_module_reset(i2c_periph_signal[port_num].module);
i2c_hal_init(&bus->hal, port_num);
I2C_RCC_ATOMIC() {
i2c_ll_enable_bus_clock(bus->port_num, true);
i2c_ll_reset_register(bus->port_num);
}
I2C_CLOCK_SRC_ATOMIC() {
i2c_hal_init(&bus->hal, port_num);
}
}
} else {
ESP_LOGE(TAG, "I2C bus id(%d) has already been acquired", port_num);
@@ -131,7 +135,9 @@ esp_err_t i2c_release_bus_handle(i2c_bus_handle_t i2c_bus)
ESP_RETURN_ON_ERROR(esp_pm_lock_delete(i2c_bus->pm_lock), TAG, "delete pm_lock failed");
}
// Disable I2C module
periph_module_disable(i2c_periph_signal[port_num].module);
I2C_RCC_ATOMIC() {
i2c_ll_enable_bus_clock(port_num, false);
}
free(i2c_bus);
}
}