Kenji Arai / Mbed OS DISCO-F769NI_several_example

Several examples run on only mbed-os5.13.0 (not 5.14.0)

Dependencies:   BD_SD_DISCO_F769NI BSP_DISCO_F769NI LCD_DISCO_F769NI TS_DISCO_F769NI USBHost_F769NI

z_example/1_rtc.cpp@4:0f4affc00183, 2019-10-14 (annotated)

Committer:
kenjiArai
Date:
Mon Oct 14 08:55:15 2019 +0000
Revision:
4:0f4affc00183
Parent:
3:35ac9ee7d2d6 
Several Examples

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 3:35ac9ee7d2d6 1 /*
kenjiArai 3:35ac9ee7d2d6 2 * Mbed Application program / check RTC (Real Time Clock)
kenjiArai 3:35ac9ee7d2d6 3 *
kenjiArai 3:35ac9ee7d2d6 4 * Copyright (c) 2017,'18,'19 Kenji Arai / JH1PJL
kenjiArai 3:35ac9ee7d2d6 5 * http://www.page.sannet.ne.jp/kenjia/index.html
kenjiArai 3:35ac9ee7d2d6 6 * https://os.mbed.com/users/kenjiArai/
kenjiArai 3:35ac9ee7d2d6 7 * Created: August 11th, 2017
kenjiArai 4:0f4affc00183 8 * Revised: October 14th, 2019
kenjiArai 3:35ac9ee7d2d6 9 */
kenjiArai 3:35ac9ee7d2d6 10
kenjiArai 3:35ac9ee7d2d6 11 #include "select_program.h"
kenjiArai 3:35ac9ee7d2d6 12 //#define EXAMPLE_1_CHECK_RTC
kenjiArai 3:35ac9ee7d2d6 13 #ifdef EXAMPLE_1_CHECK_RTC
kenjiArai 3:35ac9ee7d2d6 14
kenjiArai 3:35ac9ee7d2d6 15 // Include --------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 16 #include "mbed.h"
kenjiArai 3:35ac9ee7d2d6 17
kenjiArai 3:35ac9ee7d2d6 18 // Definition -----------------------------------------------------------------
kenjiArai 4:0f4affc00183 19 #define USER_SW_ON 1
kenjiArai 3:35ac9ee7d2d6 20
kenjiArai 3:35ac9ee7d2d6 21 // Constructor ----------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 22 DigitalIn userSW(BUTTON1);
kenjiArai 4:0f4affc00183 23 DigitalOut myled(LED1); // Indicate the sampling period
kenjiArai 3:35ac9ee7d2d6 24 Serial pc(USBTX, USBRX, 115200);
kenjiArai 3:35ac9ee7d2d6 25
kenjiArai 3:35ac9ee7d2d6 26 // RAM ------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 27
kenjiArai 3:35ac9ee7d2d6 28 // ROM / Constant data --------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 29 const char * msg0 = "Is a time correct? If no, please hit any key. ";
kenjiArai 3:35ac9ee7d2d6 30 const char * msg1 = "<Push USER SW then enter sleep mode> ";
kenjiArai 3:35ac9ee7d2d6 31 const char * msg2 = "\r\nEnter Standby Mode, please push RESET to wake-up\r\n";
kenjiArai 3:35ac9ee7d2d6 32
kenjiArai 3:35ac9ee7d2d6 33 // Function prototypes --------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 34 static void goto_standby(void);
kenjiArai 3:35ac9ee7d2d6 35 static void time_enter_mode(void);
kenjiArai 3:35ac9ee7d2d6 36 static void chk_and_set_time(char *ptr);
kenjiArai 3:35ac9ee7d2d6 37 static int xatoi (char **str, unsigned long *res);
kenjiArai 3:35ac9ee7d2d6 38 static void get_line (char *buff, int len);
kenjiArai 4:0f4affc00183 39
kenjiArai 3:35ac9ee7d2d6 40 //------------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 41 // Control Program
kenjiArai 3:35ac9ee7d2d6 42 //------------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 43 int main()
kenjiArai 3:35ac9ee7d2d6 44 {
kenjiArai 3:35ac9ee7d2d6 45 char buf[64]; // data buffer for text
kenjiArai 3:35ac9ee7d2d6 46 time_t seconds;
kenjiArai 3:35ac9ee7d2d6 47 uint8_t wait_counter = 0;
kenjiArai 3:35ac9ee7d2d6 48
kenjiArai 3:35ac9ee7d2d6 49 pc.printf("\x1b[2J\x1b[H %s\r\n %s %s (UTC)\r\n",
kenjiArai 3:35ac9ee7d2d6 50 __FILE__, __DATE__, __TIME__);
kenjiArai 4:0f4affc00183 51 printf(" RTC EXAMPLE FOR DISCO-F769NI:\r\n");
kenjiArai 3:35ac9ee7d2d6 52 myled = !myled;
kenjiArai 3:35ac9ee7d2d6 53 ThisThread::sleep_for(1000);
kenjiArai 3:35ac9ee7d2d6 54 myled = !myled;
kenjiArai 3:35ac9ee7d2d6 55 ThisThread::sleep_for(1000);
kenjiArai 3:35ac9ee7d2d6 56 while(1) {
kenjiArai 3:35ac9ee7d2d6 57 seconds = time(NULL);
kenjiArai 3:35ac9ee7d2d6 58 strftime(buf, 50, " %B %d,'%y, %H:%M:%S,", localtime(&seconds));
kenjiArai 3:35ac9ee7d2d6 59 pc.printf("[Time] %s", buf);
kenjiArai 3:35ac9ee7d2d6 60 pc.printf(" sec=%d\r\n", seconds);
kenjiArai 3:35ac9ee7d2d6 61 pc.printf("%s", msg0);
kenjiArai 3:35ac9ee7d2d6 62 pc.printf("%s\r", msg1);
kenjiArai 3:35ac9ee7d2d6 63 wait_counter = 0;
kenjiArai 3:35ac9ee7d2d6 64 while (seconds == time(NULL)) {
kenjiArai 4:0f4affc00183 65 if (pc.readable()) {
kenjiArai 3:35ac9ee7d2d6 66 buf[0] = pc.getc(); // dummy read
kenjiArai 3:35ac9ee7d2d6 67 time_enter_mode();
kenjiArai 3:35ac9ee7d2d6 68 }
kenjiArai 4:0f4affc00183 69 if (userSW == USER_SW_ON) {
kenjiArai 3:35ac9ee7d2d6 70 pc.printf("%s", msg2);
kenjiArai 3:35ac9ee7d2d6 71 ThisThread::sleep_for(1000);
kenjiArai 3:35ac9ee7d2d6 72 myled = 0;
kenjiArai 3:35ac9ee7d2d6 73 goto_standby();
kenjiArai 3:35ac9ee7d2d6 74 }
kenjiArai 3:35ac9ee7d2d6 75 ThisThread::sleep_for(50);
kenjiArai 3:35ac9ee7d2d6 76 if (++wait_counter > (2000 / 50)) {
kenjiArai 3:35ac9ee7d2d6 77 break;
kenjiArai 3:35ac9ee7d2d6 78 }
kenjiArai 3:35ac9ee7d2d6 79 }
kenjiArai 3:35ac9ee7d2d6 80 uint8_t n = strlen(msg0) + strlen(msg1);
kenjiArai 3:35ac9ee7d2d6 81 for (uint8_t i = 0; i < n; i++) {
kenjiArai 3:35ac9ee7d2d6 82 pc.putc(' ');
kenjiArai 3:35ac9ee7d2d6 83 }
kenjiArai 3:35ac9ee7d2d6 84 pc.printf(" \r"); // Not use '\n'
kenjiArai 3:35ac9ee7d2d6 85 myled = !myled;
kenjiArai 3:35ac9ee7d2d6 86 }
kenjiArai 3:35ac9ee7d2d6 87 }
kenjiArai 3:35ac9ee7d2d6 88
kenjiArai 3:35ac9ee7d2d6 89 void goto_standby(void)
kenjiArai 3:35ac9ee7d2d6 90 {
kenjiArai 3:35ac9ee7d2d6 91 ThisThread::sleep_for(0x7fffffff); // sleep 24 days
kenjiArai 3:35ac9ee7d2d6 92 }
kenjiArai 3:35ac9ee7d2d6 93
kenjiArai 3:35ac9ee7d2d6 94 void time_enter_mode(void)
kenjiArai 3:35ac9ee7d2d6 95 {
kenjiArai 3:35ac9ee7d2d6 96 char *ptr;
kenjiArai 3:35ac9ee7d2d6 97 char linebuf[64];
kenjiArai 3:35ac9ee7d2d6 98
kenjiArai 3:35ac9ee7d2d6 99 pc.printf("\r\nSet time into RTC\r\n");
kenjiArai 4:0f4affc00183 100 pc.printf(" e.g. >19 10 14 10 11 12 -> October 14th,'19, 10:11:12\r\n");
kenjiArai 3:35ac9ee7d2d6 101 pc.printf(" If time is fine, just hit enter\r\n");
kenjiArai 3:35ac9ee7d2d6 102 pc.putc('>');
kenjiArai 3:35ac9ee7d2d6 103 ptr = linebuf;
kenjiArai 3:35ac9ee7d2d6 104 get_line(ptr, sizeof(linebuf));
kenjiArai 3:35ac9ee7d2d6 105 pc.printf("\r");
kenjiArai 3:35ac9ee7d2d6 106 chk_and_set_time(ptr);
kenjiArai 3:35ac9ee7d2d6 107 }
kenjiArai 3:35ac9ee7d2d6 108
kenjiArai 3:35ac9ee7d2d6 109 // Get key input data
kenjiArai 3:35ac9ee7d2d6 110 void get_line (char *buff, int len)
kenjiArai 3:35ac9ee7d2d6 111 {
kenjiArai 3:35ac9ee7d2d6 112 char c;
kenjiArai 3:35ac9ee7d2d6 113 int idx = 0;
kenjiArai 3:35ac9ee7d2d6 114
kenjiArai 3:35ac9ee7d2d6 115 for (;;) {
kenjiArai 3:35ac9ee7d2d6 116 c = pc.getc();
kenjiArai 3:35ac9ee7d2d6 117 if (c == '\r') {
kenjiArai 3:35ac9ee7d2d6 118 buff[idx++] = c;
kenjiArai 3:35ac9ee7d2d6 119 break;
kenjiArai 3:35ac9ee7d2d6 120 }
kenjiArai 3:35ac9ee7d2d6 121 if ((c == '\b') && idx) {
kenjiArai 3:35ac9ee7d2d6 122 idx--;
kenjiArai 3:35ac9ee7d2d6 123 pc.putc(c);
kenjiArai 3:35ac9ee7d2d6 124 pc.putc(' ');
kenjiArai 3:35ac9ee7d2d6 125 pc.putc(c);
kenjiArai 3:35ac9ee7d2d6 126 }
kenjiArai 3:35ac9ee7d2d6 127 if (((uint8_t)c >= ' ') && (idx < len - 1)) {
kenjiArai 3:35ac9ee7d2d6 128 buff[idx++] = c;
kenjiArai 3:35ac9ee7d2d6 129 pc.putc(c);
kenjiArai 3:35ac9ee7d2d6 130 }
kenjiArai 3:35ac9ee7d2d6 131 }
kenjiArai 3:35ac9ee7d2d6 132 buff[idx] = 0;
kenjiArai 3:35ac9ee7d2d6 133 pc.putc('\n');
kenjiArai 3:35ac9ee7d2d6 134 }
kenjiArai 3:35ac9ee7d2d6 135
kenjiArai 3:35ac9ee7d2d6 136 void chk_and_set_time(char *ptr)
kenjiArai 3:35ac9ee7d2d6 137 {
kenjiArai 3:35ac9ee7d2d6 138 unsigned long p1;
kenjiArai 3:35ac9ee7d2d6 139 struct tm t;
kenjiArai 3:35ac9ee7d2d6 140 time_t seconds;
kenjiArai 3:35ac9ee7d2d6 141
kenjiArai 3:35ac9ee7d2d6 142 if (xatoi(&ptr, &p1)) {
kenjiArai 3:35ac9ee7d2d6 143 t.tm_year = (uint8_t)p1 + 100;
kenjiArai 3:35ac9ee7d2d6 144 pc.printf("Year:%d ",(int)p1);
kenjiArai 3:35ac9ee7d2d6 145 xatoi( &ptr, &p1 );
kenjiArai 3:35ac9ee7d2d6 146 t.tm_mon = (uint8_t)p1 - 1;
kenjiArai 3:35ac9ee7d2d6 147 pc.printf("Month:%d ",(int)p1);
kenjiArai 3:35ac9ee7d2d6 148 xatoi( &ptr, &p1 );
kenjiArai 3:35ac9ee7d2d6 149 t.tm_mday = (uint8_t)p1;
kenjiArai 3:35ac9ee7d2d6 150 pc.printf("Day:%d ",(int)p1);
kenjiArai 3:35ac9ee7d2d6 151 xatoi( &ptr, &p1 );
kenjiArai 3:35ac9ee7d2d6 152 t.tm_hour = (uint8_t)p1;
kenjiArai 3:35ac9ee7d2d6 153 pc.printf("Hour:%d ",(int)p1);
kenjiArai 3:35ac9ee7d2d6 154 xatoi( &ptr, &p1 );
kenjiArai 3:35ac9ee7d2d6 155 t.tm_min = (uint8_t)p1;
kenjiArai 3:35ac9ee7d2d6 156 pc.printf("Min:%d ",(int)p1);
kenjiArai 3:35ac9ee7d2d6 157 xatoi( &ptr, &p1 );
kenjiArai 3:35ac9ee7d2d6 158 t.tm_sec = (uint8_t)p1;
kenjiArai 3:35ac9ee7d2d6 159 pc.printf("Sec:%d \r\n",(int)p1);
kenjiArai 3:35ac9ee7d2d6 160 } else {
kenjiArai 3:35ac9ee7d2d6 161 return;
kenjiArai 3:35ac9ee7d2d6 162 }
kenjiArai 3:35ac9ee7d2d6 163 seconds = mktime(&t);
kenjiArai 3:35ac9ee7d2d6 164 set_time(seconds);
kenjiArai 3:35ac9ee7d2d6 165 pc.printf(
kenjiArai 3:35ac9ee7d2d6 166 "Date: %04d/%02d/%02d, %02d:%02d:%02d\r\n",
kenjiArai 4:0f4affc00183 167 t.tm_year + 1900, t.tm_mon + 1, t.tm_mday,
kenjiArai 4:0f4affc00183 168 t.tm_hour, t.tm_min, t.tm_sec
kenjiArai 3:35ac9ee7d2d6 169 );
kenjiArai 3:35ac9ee7d2d6 170 }
kenjiArai 3:35ac9ee7d2d6 171
kenjiArai 3:35ac9ee7d2d6 172 // Change string -> integer
kenjiArai 3:35ac9ee7d2d6 173 int xatoi (char **str, unsigned long *res)
kenjiArai 3:35ac9ee7d2d6 174 {
kenjiArai 3:35ac9ee7d2d6 175 unsigned long val;
kenjiArai 3:35ac9ee7d2d6 176 unsigned char c, radix, s = 0;
kenjiArai 3:35ac9ee7d2d6 177
kenjiArai 3:35ac9ee7d2d6 178 while ((c = **str) == ' ') {
kenjiArai 3:35ac9ee7d2d6 179 (*str)++;
kenjiArai 3:35ac9ee7d2d6 180 }
kenjiArai 3:35ac9ee7d2d6 181 if (c == '-') {
kenjiArai 3:35ac9ee7d2d6 182 s = 1;
kenjiArai 3:35ac9ee7d2d6 183 c = *(++(*str));
kenjiArai 3:35ac9ee7d2d6 184 }
kenjiArai 3:35ac9ee7d2d6 185 if (c == '0') {
kenjiArai 3:35ac9ee7d2d6 186 c = *(++(*str));
kenjiArai 3:35ac9ee7d2d6 187 if (c <= ' ') {
kenjiArai 3:35ac9ee7d2d6 188 *res = 0;
kenjiArai 3:35ac9ee7d2d6 189 return 1;
kenjiArai 3:35ac9ee7d2d6 190 }
kenjiArai 3:35ac9ee7d2d6 191 if (c == 'x') {
kenjiArai 3:35ac9ee7d2d6 192 radix = 16;
kenjiArai 3:35ac9ee7d2d6 193 c = *(++(*str));
kenjiArai 3:35ac9ee7d2d6 194 } else {
kenjiArai 3:35ac9ee7d2d6 195 if (c == 'b') {
kenjiArai 3:35ac9ee7d2d6 196 radix = 2;
kenjiArai 3:35ac9ee7d2d6 197 c = *(++(*str));
kenjiArai 3:35ac9ee7d2d6 198 } else {
kenjiArai 3:35ac9ee7d2d6 199 if ((c >= '0')&&(c <= '9')) {
kenjiArai 3:35ac9ee7d2d6 200 radix = 8;
kenjiArai 3:35ac9ee7d2d6 201 } else {
kenjiArai 3:35ac9ee7d2d6 202 return 0;
kenjiArai 3:35ac9ee7d2d6 203 }
kenjiArai 3:35ac9ee7d2d6 204 }
kenjiArai 3:35ac9ee7d2d6 205 }
kenjiArai 3:35ac9ee7d2d6 206 } else {
kenjiArai 3:35ac9ee7d2d6 207 if ((c < '1')||(c > '9')) {
kenjiArai 3:35ac9ee7d2d6 208 return 0;
kenjiArai 3:35ac9ee7d2d6 209 }
kenjiArai 3:35ac9ee7d2d6 210 radix = 10;
kenjiArai 3:35ac9ee7d2d6 211 }
kenjiArai 3:35ac9ee7d2d6 212 val = 0;
kenjiArai 3:35ac9ee7d2d6 213 while (c > ' ') {
kenjiArai 3:35ac9ee7d2d6 214 if (c >= 'a') {
kenjiArai 3:35ac9ee7d2d6 215 c -= 0x20;
kenjiArai 3:35ac9ee7d2d6 216 }
kenjiArai 3:35ac9ee7d2d6 217 c -= '0';
kenjiArai 3:35ac9ee7d2d6 218 if (c >= 17) {
kenjiArai 3:35ac9ee7d2d6 219 c -= 7;
kenjiArai 3:35ac9ee7d2d6 220 if (c <= 9) {
kenjiArai 3:35ac9ee7d2d6 221 return 0;
kenjiArai 3:35ac9ee7d2d6 222 }
kenjiArai 3:35ac9ee7d2d6 223 }
kenjiArai 3:35ac9ee7d2d6 224 if (c >= radix) {
kenjiArai 3:35ac9ee7d2d6 225 return 0;
kenjiArai 3:35ac9ee7d2d6 226 }
kenjiArai 3:35ac9ee7d2d6 227 val = val * radix + c;
kenjiArai 3:35ac9ee7d2d6 228 c = *(++(*str));
kenjiArai 3:35ac9ee7d2d6 229 }
kenjiArai 3:35ac9ee7d2d6 230 if (s) {
kenjiArai 3:35ac9ee7d2d6 231 val = -val;
kenjiArai 3:35ac9ee7d2d6 232 }
kenjiArai 3:35ac9ee7d2d6 233 *res = val;
kenjiArai 3:35ac9ee7d2d6 234 return 1;
kenjiArai 3:35ac9ee7d2d6 235 }
kenjiArai 3:35ac9ee7d2d6 236
kenjiArai 3:35ac9ee7d2d6 237 #endif