1/* 2 * Copyright 2019, 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#include <limits.h> 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{ 24 signed char c; 25 char *str = "This message is sent via UART.\n"; 26 27 28 uart_write(str, strlen(str)); 29 30 while (1) { 31 c = uart_get_char(); 32 if (c != -1) { 33 printf("Input from UART: %c\n", c); 34 } 35 36 if (c == 'q') { 37 break; 38 } 39 40 } 41 42 printf("UART client exit...\n"); 43 return 0; 44} 45