sdm: deprecate legacy driver

2022-06-22 16:36:35 +08:00
parent 4154eaec93
commit e080248141
7 changed files with 77 additions and 24 deletions
@@ -1,88 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#pragma once
-
-#include <stdint.h>
-#include "esp_err.h"
-#include "driver/gpio.h"
-#include "hal/sigmadelta_types.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @brief Sigma-delta configure struct
- */
-typedef struct {
-    sigmadelta_channel_t channel; /*!< Sigma-delta channel number */
-    int8_t sigmadelta_duty;       /*!< Sigma-delta duty, duty ranges from -128 to 127. */
-    uint8_t sigmadelta_prescale;  /*!< Sigma-delta prescale, prescale ranges from 0 to 255. */
-    gpio_num_t sigmadelta_gpio;   /*!< Sigma-delta output io number, refer to gpio.h for more details. */
-} sigmadelta_config_t;
-
-/**
- * @brief Configure Sigma-delta channel
- *
- * @param  config Pointer of Sigma-delta channel configuration struct
- *
- * @return
- *     - ESP_OK Success
- *     - ESP_ERR_INVALID_STATE sigmadelta driver already initialized
- *     - ESP_ERR_INVALID_ARG Parameter error
- */
-esp_err_t sigmadelta_config(const sigmadelta_config_t *config);
-
-/**
- * @brief Set Sigma-delta channel duty.
- *
- *        This function is used to set Sigma-delta channel duty,
- *        If you add a capacitor between the output pin and ground,
- *        the average output voltage will be Vdc = VDDIO / 256 * duty + VDDIO/2,
- *        where VDDIO is the power supply voltage.
- *
- * @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.
- *
- * @return
- *     - ESP_OK Success
- *     - ESP_ERR_INVALID_STATE sigmadelta driver has not been initialized
- *     - ESP_ERR_INVALID_ARG Parameter error
- */
-esp_err_t sigmadelta_set_duty(sigmadelta_channel_t channel, int8_t duty);
-
-/**
- * @brief Set Sigma-delta channel's clock pre-scale value.
- *        The source clock is APP_CLK, 80MHz. The clock frequency of the sigma-delta channel is APP_CLK / pre_scale
- *
- * @param channel Sigma-delta channel number
- * @param prescale The divider of source clock, ranges from 0 to 255
- *
- * @return
- *     - ESP_OK Success
- *     - ESP_ERR_INVALID_STATE sigmadelta driver has not been initialized
- *     - ESP_ERR_INVALID_ARG Parameter error
- */
-esp_err_t sigmadelta_set_prescale(sigmadelta_channel_t channel, uint8_t prescale);
-
-/**
- * @brief Set Sigma-delta signal output pin
- *
- * @param channel Sigma-delta channel number
- * @param gpio_num GPIO number of output pin.
- *
- * @return
- *     - ESP_OK Success
- *     - ESP_ERR_INVALID_STATE sigmadelta driver has not been initialized
- *     - ESP_ERR_INVALID_ARG Parameter error
- */
-esp_err_t sigmadelta_set_pin(sigmadelta_channel_t channel, gpio_num_t gpio_num);
-
-#ifdef __cplusplus
-}
-#endif