67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/**
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* @file main.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "hal_mtimer.h"
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#include "hal_uart.h"
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void uart_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
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{
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uint8_t i = 0;
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if (state == UART_EVENT_RX_FIFO) {
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MSG("rf\r\n");
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for (i = 0; i < size; i++) {
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MSG("0x%x ", (*(uint8_t *)(args + i)));
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}
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MSG("\r\n");
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} else if (state == UART_EVENT_RTO) {
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MSG("rto\r\n");
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for (i = 0; i < size; i++) {
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MSG("0x%x ", (*(uint8_t *)(args + i)));
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}
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MSG("\r\n");
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}
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}
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const char *string = "uart1 poll tx and rx irq test\r\n";
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int main(void)
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{
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bflb_platform_init(0);
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uart_register(UART1_INDEX, "uart1", DEVICE_OFLAG_RDWR);
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struct device *uart1 = device_find("uart1");
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if (uart1) {
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device_open(uart1, DEVICE_OFLAG_STREAM_TX | DEVICE_OFLAG_INT_RX);
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device_set_callback(uart1, uart_irq_callback);
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device_control(uart1, DEVICE_CTRL_SET_INT, (void *)(UART_RX_FIFO_IT | UART_RTO_IT));
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}
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while (1) {
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device_write(uart1, 0, string, strlen(string));
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bflb_platform_delay_ms(1000);
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}
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} |