mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
983cca8b27
Copy the esp32c3 code without any change: * components/driver/esp32h2 * components/esp32h2 * components/hal/esp32h2 * components/soc/esp32h2
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
/*******************************************************************************
|
|
* NOTICE
|
|
* The hal is not public api, don't use in application code.
|
|
* See readme.md in soc/include/hal/readme.md
|
|
******************************************************************************/
|
|
|
|
// The LL layer for ESP32 SIGMADELTA register operations
|
|
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include "soc/sigmadelta_periph.h"
|
|
#include "hal/sigmadelta_types.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// Get SIGMADELTA hardware instance with giving sigmadelta num
|
|
#define SIGMADELTA_LL_GET_HW(num) (((num) == 0) ? (&SIGMADELTA) : NULL)
|
|
|
|
/**
|
|
* @brief Set Sigma-delta enable
|
|
*
|
|
* @param hw Peripheral SIGMADELTA hardware instance address.
|
|
* @param en Sigma-delta enable value
|
|
*/
|
|
static inline void sigmadelta_ll_set_en(gpio_sd_dev_t *hw, bool en)
|
|
{
|
|
hw->misc.function_clk_en = en;
|
|
}
|
|
|
|
/**
|
|
* @brief Set Sigma-delta channel duty.
|
|
*
|
|
* @param hw Peripheral SIGMADELTA hardware instance address.
|
|
* @param channel Sigma-delta channel number
|
|
* @param duty Sigma-delta duty of one channel, the value ranges from -128 to 127, recommended range is -90 ~ 90.
|
|
* The waveform is more like a random one in this range.
|
|
*/
|
|
static inline void sigmadelta_ll_set_duty(gpio_sd_dev_t *hw, sigmadelta_channel_t channel, int8_t duty)
|
|
{
|
|
hw->channel[channel].duty = duty;
|
|
}
|
|
|
|
/**
|
|
* @brief Set Sigma-delta channel's clock pre-scale value.
|
|
*
|
|
* @param hw Peripheral SIGMADELTA hardware instance address.
|
|
* @param channel Sigma-delta channel number
|
|
* @param val The divider of source clock, ranges from 0 to 255
|
|
*/
|
|
static inline void sigmadelta_ll_set_prescale(gpio_sd_dev_t *hw, sigmadelta_channel_t channel, uint8_t prescale)
|
|
{
|
|
hw->channel[channel].prescale = prescale;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|