76 lines
2.4 KiB
C
Executable File
76 lines
2.4 KiB
C
Executable File
/*
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* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "etf_uart.h"
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#define SERIAL1 ((UART_T *)UART1_BASE)
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int etf_port_uart_sent(char *buf, int count)
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{
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char *ptr;
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int left;
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ptr = buf;
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left = count;
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while (left > 0) {
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while (!HAL_UART_IsTxReady(SERIAL1)) {
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; /* wait FIFO become not full */
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}
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HAL_UART_PutTxData(SERIAL1, *ptr);
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++ptr;
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--left;
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}
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return count;
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}
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int etf_port_uart_getc(void)
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{
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if (HAL_UART_IsRxReady(SERIAL1)) {
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return (int)HAL_UART_GetRxData(SERIAL1);
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} else {
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return -1;
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}
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}
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int etf_port_uart_init(void)
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{
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UART_InitParam uart_param;
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uart_param.baudRate = 115200;
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uart_param.parity = UART_PARITY_NONE;
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uart_param.stopBits = UART_STOP_BITS_1;
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uart_param.dataBits = UART_DATA_BITS_8;
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uart_param.isAutoHwFlowCtrl = 0;
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HAL_UART_Init(UART1_ID, &uart_param);
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return 0;
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}
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