sdk-hwV1.3/lichee/xr806/appos/project/test/etf/etf_uart.c

76 lines
2.4 KiB
C
Executable File

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