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https://github.com/espressif/esp-idf.git
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morris
83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <string.h>
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#include "hal/twai_types.h"
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#include "soc/pcr_reg.h"
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#include "soc/pcr_struct.h"
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#define TWAI_LL_GET(_attr) TWAI_LL_ ## _attr
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#define TWAI_LL_SUPPORT(_feat) TWAI_LL_SUPPORT_ ## _feat
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#define TWAI_LL_SUPPORT_TIMESTAMP 1
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#define TWAI_LL_SUPPORT_RX_STATUS 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Enable the bus clock and module clock for twai module
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*
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* @param twai_id Hardware ID
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* @param enable true to enable, false to disable
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*/
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static inline void twai_ll_enable_bus_clock(uint8_t twai_id, bool enable)
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{
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PCR.twai[twai_id].twai_conf.twai_clk_en = enable;
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}
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/**
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* @brief Reset the twai module
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*
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* @param twai_id Hardware ID
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*/
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static inline void twai_ll_reset_register(uint8_t twai_id)
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{
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PCR.twai[twai_id].twai_conf.twai_rst_en = 1;
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PCR.twai[twai_id].twai_conf.twai_rst_en = 0;
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}
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/**
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* @brief Set clock source for TWAI module
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*
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* @param twai_id Hardware ID
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* @param clk_src Clock source
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*/
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static inline void twai_ll_set_clock_source(uint8_t twai_id, twai_clock_source_t clk_src)
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{
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switch (clk_src) {
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case TWAI_CLK_SRC_PLL_F80M:
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PCR.twai[twai_id].twai_func_clk_conf.twai_func_clk_sel = 1;
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break;
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case TWAI_CLK_SRC_XTAL:
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PCR.twai[twai_id].twai_func_clk_conf.twai_func_clk_sel = 0;
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break;
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default:
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HAL_ASSERT(false);
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}
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}
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/**
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* @brief Enable TWAI module clock source
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*
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* @param twai_id Hardware ID
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* @param enable true to enable, false to disable
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*/
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static inline void twai_ll_enable_clock(uint8_t twai_id, bool enable)
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{
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PCR.twai[twai_id].twai_func_clk_conf.twai_func_clk_en = enable;
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if (enable) {
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while (!PCR.twai[twai_id].twai_conf.twai_ready);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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