1 /* 2 * Copyright (c) 2006-2018, RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 * 2018-04-14 chenyong first version 9 */ 10 11 #include <at.h> 12 #include <stdlib.h> 13 #include <stdio.h> 14 15 static char send_buf[AT_CMD_MAX_LEN]; 16 static rt_size_t last_cmd_len = 0; 17 18 /** 19 * dump hex format data to console device 20 * 21 * @param name name for hex object, it will show on log header 22 * @param buf hex buffer 23 * @param size buffer size 24 */ 25 void at_print_raw_cmd(const char *name, const char *buf, rt_size_t size) 26 { 27 #define __is_print(ch) ((unsigned int)((ch) - ' ') < 127u - ' ') 28 #define WIDTH_SIZE 32 29 30 rt_size_t i, j; 31 32 for (i = 0; i < size; i += WIDTH_SIZE) 33 { 34 rt_kprintf("[D/AT] %s: %04X-%04X: ", name, i, i + WIDTH_SIZE); 35 for (j = 0; j < WIDTH_SIZE; j++) 36 { 37 if (i + j < size) 38 { 39 rt_kprintf("%02X ", buf[i + j]); 40 } 41 else 42 { 43 rt_kprintf(" "); 44 } 45 if ((j + 1) % 8 == 0) 46 { 47 rt_kprintf(" "); 48 } 49 } 50 rt_kprintf(" "); 51 for (j = 0; j < WIDTH_SIZE; j++) 52 { 53 if (i + j < size) 54 { 55 rt_kprintf("%c", __is_print(buf[i + j]) ? buf[i + j] : '.'); 56 } 57 } 58 rt_kprintf("\n"); 59 } 60 } 61 62 const char *at_get_last_cmd(rt_size_t *cmd_size) 63 { 64 *cmd_size = last_cmd_len; 65 return send_buf; 66 } 67 68 rt_size_t at_vprintf(rt_device_t device, const char *format, va_list args) 69 { 70 last_cmd_len = vsnprintf(send_buf, sizeof(send_buf), format, args); 71 72 #ifdef AT_PRINT_RAW_CMD 73 at_print_raw_cmd("send", send_buf, last_cmd_len); 74 #endif 75 76 return rt_device_write(device, 0, send_buf, last_cmd_len); 77 } 78 79 rt_size_t at_vprintfln(rt_device_t device, const char *format, va_list args) 80 { 81 rt_size_t len; 82 83 len = at_vprintf(device, format, args); 84 85 rt_device_write(device, 0, "\r\n", 2); 86 87 return len + 2; 88 } 89