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gpio_sdm: bring up SDM driver on esp32c6

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This commit is contained in:
morris 2022-09-17 16:13:28 +08:00
parent 3cb4db60b2
commit f6eba4ccfe
3 changed files with 63 additions and 2 deletions
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58
components/hal/esp32c6/include/hal/sdm_ll.h Normal file
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@ -0,0 +1,58 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdbool.h>
#include "hal/misc.h"
#include "hal/assert.h"
#include "soc/gpio_ext_struct.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Set Sigma-delta enable
*
* @param hw Peripheral SIGMADELTA hardware instance address.
* @param en Sigma-delta enable value
*/
static inline void sdm_ll_enable_clock(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.
*/
__attribute__((always_inline))
static inline void sdm_ll_set_duty(gpio_sd_dev_t *hw, int channel, int8_t duty)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->channel[channel], duty, (uint32_t)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 prescale The divider of source clock, ranges from 1 to 256
*/
static inline void sdm_ll_set_prescale(gpio_sd_dev_t *hw, int channel, uint32_t prescale)
{
HAL_ASSERT(prescale && prescale <= 256);
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->channel[channel], prescale, prescale - 1);
}
#ifdef __cplusplus
}
#endif

4
components/soc/esp32c6/include/soc/Kconfig.soc_caps.in
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@ -55,6 +55,10 @@ config SOC_RMT_SUPPORTED
bool
default y
config SOC_SDM_SUPPORTED
bool
default y
config SOC_SYSTIMER_SUPPORTED
bool
default y

3
components/soc/esp32c6/include/soc/soc_caps.h
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@ -42,7 +42,7 @@
#define SOC_RTC_MEM_SUPPORTED 1
#define SOC_I2S_SUPPORTED 1
#define SOC_RMT_SUPPORTED 1
// #define SOC_SDM_SUPPORTED 1 // TODO: IDF-5318
#define SOC_SDM_SUPPORTED 1
// #define SOC_LEDC_SUPPORTED 1 // TODO: IDF-5328
// #define SOC_I2C_SUPPORTED 1 // TODO: IDF-5326
#define SOC_SYSTIMER_SUPPORTED 1
@ -268,7 +268,6 @@
#define SOC_SHA_SUPPORT_SHA224 (1)
#define SOC_SHA_SUPPORT_SHA256 (1)
// TODO: IDF-5318 (Copy from esp32c3, need check)
/*-------------------------- Sigma Delta Modulator CAPS -----------------*/
#define SOC_SDM_GROUPS 1U
#define SOC_SDM_CHANNELS_PER_GROUP 4