85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef MAIN_ESP32_HAL_UART_H_
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#define MAIN_ESP32_HAL_UART_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "esp32-hal.h"
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#include "soc/uart_struct.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#define SERIAL_5N1 0x8000010
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#define SERIAL_6N1 0x8000014
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#define SERIAL_7N1 0x8000018
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#define SERIAL_8N1 0x800001c
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#define SERIAL_5N2 0x8000030
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#define SERIAL_6N2 0x8000034
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#define SERIAL_7N2 0x8000038
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#define SERIAL_8N2 0x800003c
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#define SERIAL_5E1 0x8000012
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#define SERIAL_6E1 0x8000016
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#define SERIAL_7E1 0x800001a
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#define SERIAL_8E1 0x800001e
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#define SERIAL_5E2 0x8000032
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#define SERIAL_6E2 0x8000036
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#define SERIAL_7E2 0x800003a
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#define SERIAL_8E2 0x800003e
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#define SERIAL_5O1 0x8000013
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#define SERIAL_6O1 0x8000017
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#define SERIAL_7O1 0x800001b
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#define SERIAL_8O1 0x800001f
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#define SERIAL_5O2 0x8000033
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#define SERIAL_6O2 0x8000037
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#define SERIAL_7O2 0x800003b
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#define SERIAL_8O2 0x800003f
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typedef struct {
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uart_dev_t * dev;
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xQueueHandle queue;
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uint32_t baud_rate;
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uint8_t num;
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int8_t rxPin;
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int8_t txPin;
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bool rxEnabled;
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bool txEnabled;
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bool inverted;
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} uart_t;
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uart_t* uartBegin(uint8_t uart_nr, uint32_t baudrate, uint32_t config, int8_t rxPin, int8_t txPin, uint16_t queueLen, bool inverted);
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void uartEnd(uart_t* uart);
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uint32_t uartAvailable(uart_t* uart);
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uint8_t uartRead(uart_t* uart);
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uint8_t uartPeek(uart_t* uart);
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void uartWrite(uart_t* uart, uint8_t c);
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void uartWriteBuf(uart_t* uart, const uint8_t * data, size_t len);
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void uartFlush(uart_t* uart);
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void uartSetBaudRate(uart_t* uart, uint32_t baud_rate);
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uint32_t uartGetBaudRate(uart_t* uart);
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void uartSetDebug(uart_t* uart);
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int uartGetDebug();
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#ifdef __cplusplus
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}
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#endif
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#endif /* MAIN_ESP32_HAL_UART_H_ */
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