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cpu/esp32: use ESP-IDF interrupt HAL for periph/uart #18274

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merged 2 commits into from
Jul 15, 2022
Merged

cpu/esp32: use ESP-IDF interrupt HAL for periph/uart #18274

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81caeb1
cpu/esp32: add uart to ESP-IDF interface API
gschorcht Jun 19, 2022
4b2b004
cpu/esp_common: port periph/uart to ESP-IDF uart API
gschorcht Mar 10, 2022
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50 changes: 50 additions & 0 deletions cpu/esp32/esp-idf-api/uart.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
/*
* Copyright (C) 2022 Gunar Schorcht
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/

/**
* @ingroup cpu_esp32_esp_idf_api
* @{
*
* @file
* @brief Interface for the ESP-IDF UART HAL API
*
* @author Gunar Schorcht <gunar@schorcht.net>
* @}
*/

#include <stdbool.h>
#include <stdint.h>

#include "driver/uart.h"
#include "hal/uart_hal.h"

#include "esp_idf_api/uart.h"

static uart_hal_context_t _uart_hal_ctx[] = {
#if UART_NUM_MAX >= 1
{
.dev = UART_LL_GET_HW(0),
},
#endif
#if UART_NUM_MAX >= 2
{
.dev = UART_LL_GET_HW(1),
},
#endif
#if UART_NUM_MAX >= 3
{
.dev = UART_LL_GET_HW(2),
},
#endif
};

void esp_idf_uart_set_wakeup_threshold(unsigned uart_num, uint32_t threshold)
{
assert(uart_num < ARRAY_SIZE(_uart_hal_ctx));
uart_hal_set_wakeup_thrd(&_uart_hal_ctx[uart_num], threshold);
}
36 changes: 36 additions & 0 deletions cpu/esp32/include/esp_idf_api/uart.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
/*
* Copyright (C) 2022 Gunar Schorcht
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/

/**
* @ingroup cpu_esp32_esp_idf_api
* @{
*
* @file
* @brief Interface for the ESP-IDF UART HAL API
*
* @author Gunar Schorcht <gunar@schorcht.net>
* @}
*/

#ifndef ESP_IDF_API_UART_H
#define ESP_IDF_API_UART_H

#ifndef DOXYGEN /* Hide implementation details from doxygen */

#ifdef __cplusplus
extern "C" {
#endif

void esp_idf_uart_set_wakeup_threshold(unsigned uart_num, uint32_t threshold);

#ifdef __cplusplus
}
#endif

#endif /* DOXYGEN */
#endif /* ESP_IDF_API_UART_H */
2 changes: 1 addition & 1 deletion cpu/esp32/include/periph_cpu.h
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Original file line number Diff line number Diff line change
Expand Up @@ -560,7 +560,7 @@ typedef struct {
/**
* @brief Maximum number of UART interfaces
*/
#define UART_NUMOF_MAX (3)
#define UART_NUMOF_MAX (SOC_UART_NUM)
/** @} */

#ifdef MODULE_PERIPH_CAN
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