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feat(rmt): add driver support for esp32p4

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including DMA feature
This commit is contained in:
morris
2023-08-01 17:32:26 +08:00
parent 80e3ece7d1
commit 6bb05cccdd
42 changed files with 1882 additions and 593 deletions
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38
components/hal/esp32/include/hal/rmt_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -16,6 +16,7 @@
#include "hal/misc.h"
#include "hal/assert.h"
#include "soc/rmt_struct.h"
#include "soc/dport_reg.h"
#include "hal/rmt_types.h"
#ifdef __cplusplus
@@ -40,6 +41,41 @@ typedef enum {
RMT_LL_MEM_OWNER_HW = 1,
} rmt_ll_mem_owner_t;
/**
* @brief Enable the bus clock for RMT module
*
* @param group_id Group ID
* @param enable true to enable, false to disable
*/
static inline void rmt_ll_enable_bus_clock(int group_id, bool enable)
{
(void)group_id;
uint32_t reg_val = DPORT_READ_PERI_REG(DPORT_PERIP_CLK_EN_REG);
reg_val &= ~DPORT_RMT_CLK_EN;
reg_val |= enable << 9;
DPORT_WRITE_PERI_REG(DPORT_PERIP_CLK_EN_REG, reg_val);
}
/// use a macro to wrap the function, force the caller to use it in a critical section
/// the critical section needs to declare the __DECLARE_RCC_ATOMIC_ENV variable in advance
#define rmt_ll_enable_bus_clock(...) (void)__DECLARE_RCC_ATOMIC_ENV; rmt_ll_enable_bus_clock(__VA_ARGS__)
/**
* @brief Reset the RMT module
*
* @param group_id Group ID
*/
static inline void rmt_ll_reset_register(int group_id)
{
(void)group_id;
DPORT_WRITE_PERI_REG(DPORT_PERIP_RST_EN_REG, DPORT_RMT_RST);
DPORT_WRITE_PERI_REG(DPORT_PERIP_RST_EN_REG, 0);
}
/// use a macro to wrap the function, force the caller to use it in a critical section
/// the critical section needs to declare the __DECLARE_RCC_ATOMIC_ENV variable in advance
#define rmt_ll_reset_register(...) (void)__DECLARE_RCC_ATOMIC_ENV; rmt_ll_reset_register(__VA_ARGS__)
/**
* @brief Enable clock gate for register and memory
*