mirror of
https://github.com/drasko/open-ameba.git
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89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
/*
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* Routines to access hardware
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*
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* Copyright (c) 2013 Realtek Semiconductor Corp.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*/
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#include "device.h"
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#include "serial_api.h"
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#include "serial_ex_api.h"
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#include "main.h"
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#define UART_TX PA_7 //PB_5
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#define UART_RX PA_6 //PB_4
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#define SRX_BUF_SZ 16
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char rx_buf[SRX_BUF_SZ]={0};
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volatile uint32_t tx_busy=0;
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volatile uint32_t rx_done=0;
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void uart_send_string_done(uint32_t id)
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{
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serial_t *sobj = (void*)id;
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tx_busy = 0;
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}
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void uart_recv_string_done(uint32_t id)
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{
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serial_t *sobj = (void*)id;
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rx_done = 1;
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}
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void uart_send_string(serial_t *sobj, char *pstr)
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{
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int32_t ret=0;
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if (tx_busy) {
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return;
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}
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tx_busy = 1;
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ret = serial_send_stream(sobj, pstr, _strlen(pstr));
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if (ret != 0) {
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DBG_8195A("%s Error(%d)\n", __FUNCTION__, ret);
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tx_busy = 0;
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}
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}
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void main(void)
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{
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serial_t sobj;
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int ret;
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serial_init(&sobj,UART_TX,UART_RX);
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serial_baud(&sobj,38400);
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serial_format(&sobj, 8, ParityNone, 1);
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serial_send_comp_handler(&sobj, (void*)uart_send_string_done, (uint32_t) &sobj);
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serial_recv_comp_handler(&sobj, (void*)uart_recv_string_done, (uint32_t) &sobj);
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ret = serial_recv_stream(&sobj, rx_buf, 8);
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if (ret) {
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DBG_8195A(" %s: Recv Error(%d)\n", __FUNCTION__, ret);
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rx_done = 1;
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}
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while (1) {
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#if 0
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if (!tx_busy) {
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uart_send_string(&sobj, "Hello! World!! :) \r\n");
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}
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#endif
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if (rx_done) {
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uart_send_string(&sobj, rx_buf);
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rx_done = 0;
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ret = serial_recv_stream(&sobj, rx_buf, 8);
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if (ret) {
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DBG_8195A(" %s: Recv Error(%d)\n", __FUNCTION__, ret);
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rx_done = 1;
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}
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}
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}
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}
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