1/* 2 * Copyright 2017, Data61, CSIRO (ABN 41 687 119 230) 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 */ 6 7#include <camkes.h> 8#include <string.h> 9#include <stdio.h> 10 11static size_t uart_write(void *buf, size_t count) 12{ 13 char *data = buf; 14 15 for (size_t i = 0; i < count; ++i) { 16 uart_put_char(data[i]); 17 } 18 19 return count; 20} 21 22int run(void) { 23 char c; 24 char *str = "This message is sent via UART.\n"; 25 26 27 uart_write(str, strlen(str)); 28 29 while (1) { 30 c = uart_get_char(); 31 printf("Input from UART: %c\n", c); 32 33 if (c == 'q') { 34 break; 35 } 36 37 } 38 39 printf("UART client exit...\n"); 40 return 0; 41} 42