La Suno / Mbed 2 deprecated afero_poc15_180403

I2C hang recover function added

Dependencies:   UniGraphic mbed vt100

In this version, check_i2c_pins function was added in edge_mgr.cpp.

プログラムの起動時、I2Cモジュールを初期化する前に、I2Cに使用するピンの電位を確認し
もし一方でも Low に張り付いていた場合、SCL を GPIO 出力に設定して　
所定回数 (I2C_UNLOCK_TRIAL_CYCLE) 反転させることにより、疑似リセットクロックを生成します。

その後は、通常の起動手順に復帰し、以降はこれまでと同様の動作をします。

edge_utils/edge_time.cpp@0:d895cd1cd897, 2018-04-03 (annotated)

Committer:
Rhyme
Date:
Tue Apr 03 08:30:29 2018 +0000
Revision:
0:d895cd1cd897
Initial I2C Pin force reset function added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rhyme 0:d895cd1cd897 1 #include "mbed.h"
Rhyme 0:d895cd1cd897 2 #include "edge_time.h"
Rhyme 0:d895cd1cd897 3
Rhyme 0:d895cd1cd897 4 static const uint8_t daysInMonth[12] = {
Rhyme 0:d895cd1cd897 5 31, 28, 31, 30,
Rhyme 0:d895cd1cd897 6 31, 30, 31, 31,
Rhyme 0:d895cd1cd897 7 30, 31, 30, 31
Rhyme 0:d895cd1cd897 8 } ;
Rhyme 0:d895cd1cd897 9
Rhyme 0:d895cd1cd897 10 const char *nameOfDay[7] = {
Rhyme 0:d895cd1cd897 11 "Sunday", "Monday", "Tuesday", "Wednesday",
Rhyme 0:d895cd1cd897 12 "Thursday", "Friday", "Saturday"
Rhyme 0:d895cd1cd897 13 } ;
Rhyme 0:d895cd1cd897 14
Rhyme 0:d895cd1cd897 15 uint32_t edge_time = 0 ;
Rhyme 0:d895cd1cd897 16 uint32_t utc_offset = 9 * 60 * 60 ;
Rhyme 0:d895cd1cd897 17 tm current_time ;
Rhyme 0:d895cd1cd897 18 Ticker *tokei = 0 ;
Rhyme 0:d895cd1cd897 19
Rhyme 0:d895cd1cd897 20 void inc_sec(void)
Rhyme 0:d895cd1cd897 21 {
Rhyme 0:d895cd1cd897 22 __disable_irq() ; // Disable Interrupts
Rhyme 0:d895cd1cd897 23 edge_time++ ;
Rhyme 0:d895cd1cd897 24 __enable_irq() ; // Enable Interrupts
Rhyme 0:d895cd1cd897 25 }
Rhyme 0:d895cd1cd897 26
Rhyme 0:d895cd1cd897 27 void init_timer(void)
Rhyme 0:d895cd1cd897 28 {
Rhyme 0:d895cd1cd897 29 tokei = new Ticker() ;
Rhyme 0:d895cd1cd897 30 tokei->attach(inc_sec, 1.0) ;
Rhyme 0:d895cd1cd897 31 }
Rhyme 0:d895cd1cd897 32
Rhyme 0:d895cd1cd897 33 void set_time(const uint16_t valueLen, const uint8_t *value)
Rhyme 0:d895cd1cd897 34 {
Rhyme 0:d895cd1cd897 35 uint32_t tmp_timestamp = 0 ;
Rhyme 0:d895cd1cd897 36 for (int i = 0 ; i < valueLen ; i++ ) {
Rhyme 0:d895cd1cd897 37 tmp_timestamp |= (value[i] & 0xFF) << (i * 8) ;
Rhyme 0:d895cd1cd897 38 }
Rhyme 0:d895cd1cd897 39 edge_time = tmp_timestamp ;
Rhyme 0:d895cd1cd897 40 ts2tm(edge_time, &current_time) ;
Rhyme 0:d895cd1cd897 41 // ts2time(edge_time, &current_time) ;
Rhyme 0:d895cd1cd897 42 }
Rhyme 0:d895cd1cd897 43
Rhyme 0:d895cd1cd897 44 void ts2time(uint32_t timestamp, struct tm *tm)
Rhyme 0:d895cd1cd897 45 {
Rhyme 0:d895cd1cd897 46 uint32_t seconds, minutes, hours, days, month, year ;
Rhyme 0:d895cd1cd897 47 uint32_t dayOfWeek ;
Rhyme 0:d895cd1cd897 48
Rhyme 0:d895cd1cd897 49 // timestamp += (3600 * 9) ; /* +9 hours for JST */
Rhyme 0:d895cd1cd897 50 timestamp += utc_offset ;
Rhyme 0:d895cd1cd897 51
Rhyme 0:d895cd1cd897 52 seconds = timestamp % 60 ;
Rhyme 0:d895cd1cd897 53 minutes = timestamp / 60 ;
Rhyme 0:d895cd1cd897 54 hours = minutes / 60 ; /* +9 for JST */
Rhyme 0:d895cd1cd897 55 minutes -= hours * 60 ;
Rhyme 0:d895cd1cd897 56 days = hours / 24 ;
Rhyme 0:d895cd1cd897 57 hours -= days * 24 ;
Rhyme 0:d895cd1cd897 58
Rhyme 0:d895cd1cd897 59 tm->tm_sec = seconds ;
Rhyme 0:d895cd1cd897 60 tm->tm_min = minutes ;
Rhyme 0:d895cd1cd897 61 tm->tm_hour = hours ;
Rhyme 0:d895cd1cd897 62 tm->tm_mday = days + 1 ;
Rhyme 0:d895cd1cd897 63 // tm->tm_mon = month ;
Rhyme 0:d895cd1cd897 64 // tm->tm_year = year ;
Rhyme 0:d895cd1cd897 65 // tm->tm_wday = dayOfWeek ;
Rhyme 0:d895cd1cd897 66 }
Rhyme 0:d895cd1cd897 67
Rhyme 0:d895cd1cd897 68 void ts2tm(uint32_t timestamp, struct tm *tm)
Rhyme 0:d895cd1cd897 69 {
Rhyme 0:d895cd1cd897 70 uint32_t seconds, minutes, hours, days, month, year ;
Rhyme 0:d895cd1cd897 71 uint32_t dayOfWeek ;
Rhyme 0:d895cd1cd897 72
Rhyme 0:d895cd1cd897 73 // timestamp += (3600 * 9) ; /* +9 hours for JST */
Rhyme 0:d895cd1cd897 74 timestamp += utc_offset ;
Rhyme 0:d895cd1cd897 75
Rhyme 0:d895cd1cd897 76 seconds = timestamp % 60 ;
Rhyme 0:d895cd1cd897 77 minutes = timestamp / 60 ;
Rhyme 0:d895cd1cd897 78 hours = minutes / 60 ; /* +9 for JST */
Rhyme 0:d895cd1cd897 79 minutes -= hours * 60 ;
Rhyme 0:d895cd1cd897 80 days = hours / 24 ;
Rhyme 0:d895cd1cd897 81 hours -= days * 24 ;
Rhyme 0:d895cd1cd897 82
Rhyme 0:d895cd1cd897 83 /* Unix timestamp start 1-Jan-1970 Thursday */
Rhyme 0:d895cd1cd897 84 year = 1970 ;
Rhyme 0:d895cd1cd897 85 dayOfWeek = 4 ; /* Thursday */
Rhyme 0:d895cd1cd897 86
Rhyme 0:d895cd1cd897 87 while(1) {
Rhyme 0:d895cd1cd897 88 bool isLeapYear =
Rhyme 0:d895cd1cd897 89 (((year % 4) == 0)
Rhyme 0:d895cd1cd897 90 &&(((year % 100) != 0)
Rhyme 0:d895cd1cd897 91 || ((year % 400) == 0))) ;
Rhyme 0:d895cd1cd897 92 uint16_t daysInYear = isLeapYear ? 366 : 365 ;
Rhyme 0:d895cd1cd897 93 if (days >= daysInYear) {
Rhyme 0:d895cd1cd897 94 dayOfWeek += isLeapYear ? 2 : 1 ;
Rhyme 0:d895cd1cd897 95 days -= daysInYear ;
Rhyme 0:d895cd1cd897 96 if (dayOfWeek >= 7) {
Rhyme 0:d895cd1cd897 97 dayOfWeek -= 7 ;
Rhyme 0:d895cd1cd897 98 }
Rhyme 0:d895cd1cd897 99 year++ ;
Rhyme 0:d895cd1cd897 100 } else {
Rhyme 0:d895cd1cd897 101 tm->tm_yday = days ;
Rhyme 0:d895cd1cd897 102 dayOfWeek += days ;
Rhyme 0:d895cd1cd897 103 dayOfWeek %= 7 ;
Rhyme 0:d895cd1cd897 104
Rhyme 0:d895cd1cd897 105 /* calc the month and the day */
Rhyme 0:d895cd1cd897 106 for (month = 0 ; month < 12 ; month++) {
Rhyme 0:d895cd1cd897 107 uint8_t dim = daysInMonth[month] ;
Rhyme 0:d895cd1cd897 108
Rhyme 0:d895cd1cd897 109 /* add a day to feburary if this is a leap year */
Rhyme 0:d895cd1cd897 110 if ((month == 1) && (isLeapYear)) {
Rhyme 0:d895cd1cd897 111 dim++ ;
Rhyme 0:d895cd1cd897 112 }
Rhyme 0:d895cd1cd897 113
Rhyme 0:d895cd1cd897 114 if (days >= dim) {
Rhyme 0:d895cd1cd897 115 days -= dim ;
Rhyme 0:d895cd1cd897 116 } else {
Rhyme 0:d895cd1cd897 117 break ;
Rhyme 0:d895cd1cd897 118 }
Rhyme 0:d895cd1cd897 119 }
Rhyme 0:d895cd1cd897 120 break ;
Rhyme 0:d895cd1cd897 121 }
Rhyme 0:d895cd1cd897 122 }
Rhyme 0:d895cd1cd897 123 tm->tm_sec = seconds ;
Rhyme 0:d895cd1cd897 124 tm->tm_min = minutes ;
Rhyme 0:d895cd1cd897 125 tm->tm_hour = hours ;
Rhyme 0:d895cd1cd897 126 tm->tm_mday = days + 1 ;
Rhyme 0:d895cd1cd897 127 tm->tm_mon = month ;
Rhyme 0:d895cd1cd897 128 tm->tm_year = year ;
Rhyme 0:d895cd1cd897 129 tm->tm_wday = dayOfWeek ;
Rhyme 0:d895cd1cd897 130 }
Rhyme 0:d895cd1cd897 131
Rhyme 0:d895cd1cd897 132 void print_time(struct tm *tm)
Rhyme 0:d895cd1cd897 133 {
Rhyme 0:d895cd1cd897 134 printf("%02d:%02d:%02d",
Rhyme 0:d895cd1cd897 135 tm->tm_hour,
Rhyme 0:d895cd1cd897 136 tm->tm_min,
Rhyme 0:d895cd1cd897 137 tm->tm_sec ) ;
Rhyme 0:d895cd1cd897 138 }
Rhyme 0:d895cd1cd897 139
Rhyme 0:d895cd1cd897 140 void print_time(uint32_t thetime)
Rhyme 0:d895cd1cd897 141 {
Rhyme 0:d895cd1cd897 142 struct tm timestruct ;
Rhyme 0:d895cd1cd897 143 ts2time(thetime, &timestruct) ;
Rhyme 0:d895cd1cd897 144 print_time(&timestruct) ;
Rhyme 0:d895cd1cd897 145 }
Rhyme 0:d895cd1cd897 146
Rhyme 0:d895cd1cd897 147 void print_time(void)
Rhyme 0:d895cd1cd897 148 {
Rhyme 0:d895cd1cd897 149 struct tm timestruct ;
Rhyme 0:d895cd1cd897 150 ts2time(edge_time, &timestruct) ;
Rhyme 0:d895cd1cd897 151 print_time(&timestruct) ;
Rhyme 0:d895cd1cd897 152 }
Rhyme 0:d895cd1cd897 153
Rhyme 0:d895cd1cd897 154 void print_date(struct tm *tm)
Rhyme 0:d895cd1cd897 155 {
Rhyme 0:d895cd1cd897 156 printf("%d/%d/%d %02d:%02d:%02d",
Rhyme 0:d895cd1cd897 157 tm->tm_year,
Rhyme 0:d895cd1cd897 158 tm->tm_mon + 1,
Rhyme 0:d895cd1cd897 159 tm->tm_mday,
Rhyme 0:d895cd1cd897 160 tm->tm_hour,
Rhyme 0:d895cd1cd897 161 tm->tm_min,
Rhyme 0:d895cd1cd897 162 tm->tm_sec
Rhyme 0:d895cd1cd897 163 ) ;
Rhyme 0:d895cd1cd897 164 }
Rhyme 0:d895cd1cd897 165
Rhyme 0:d895cd1cd897 166 void print_date_wd(struct tm *tm)
Rhyme 0:d895cd1cd897 167 {
Rhyme 0:d895cd1cd897 168 printf("%d/%d/%d %02d:%02d:%02d (%s)",
Rhyme 0:d895cd1cd897 169 tm->tm_year,
Rhyme 0:d895cd1cd897 170 tm->tm_mon + 1,
Rhyme 0:d895cd1cd897 171 tm->tm_mday,
Rhyme 0:d895cd1cd897 172 tm->tm_hour,
Rhyme 0:d895cd1cd897 173 tm->tm_min,
Rhyme 0:d895cd1cd897 174 tm->tm_sec,
Rhyme 0:d895cd1cd897 175 nameOfDay[tm->tm_wday]
Rhyme 0:d895cd1cd897 176 ) ;
Rhyme 0:d895cd1cd897 177 }
Rhyme 0:d895cd1cd897 178
Rhyme 0:d895cd1cd897 179 void time2str(struct tm *tm, char *timestr)
Rhyme 0:d895cd1cd897 180 {
Rhyme 0:d895cd1cd897 181 sprintf(timestr, "%02d:%02d:%02d",
Rhyme 0:d895cd1cd897 182 tm->tm_hour,
Rhyme 0:d895cd1cd897 183 tm->tm_min,
Rhyme 0:d895cd1cd897 184 tm->tm_sec ) ;
Rhyme 0:d895cd1cd897 185 }
Rhyme 0:d895cd1cd897 186
Rhyme 0:d895cd1cd897 187 void time2str(char *timestr)
Rhyme 0:d895cd1cd897 188 {
Rhyme 0:d895cd1cd897 189 struct tm timestruct ;
Rhyme 0:d895cd1cd897 190 ts2time(edge_time, &timestruct) ;
Rhyme 0:d895cd1cd897 191 time2str(&timestruct, timestr) ;
Rhyme 0:d895cd1cd897 192 }
Rhyme 0:d895cd1cd897 193
Rhyme 0:d895cd1cd897 194 int32_t time2seq(uint32_t timestamp)
Rhyme 0:d895cd1cd897 195 {
Rhyme 0:d895cd1cd897 196 struct tm timestruct ;
Rhyme 0:d895cd1cd897 197 int32_t result ;
Rhyme 0:d895cd1cd897 198 ts2time(timestamp, &timestruct) ;
Rhyme 0:d895cd1cd897 199 result = timestruct.tm_hour * 10000
Rhyme 0:d895cd1cd897 200 + timestruct.tm_min * 100
Rhyme 0:d895cd1cd897 201 + timestruct.tm_sec ;
Rhyme 0:d895cd1cd897 202 return(result) ;
Rhyme 0:d895cd1cd897 203 }
Rhyme 0:d895cd1cd897 204
Rhyme 0:d895cd1cd897 205 void time2seq(uint32_t timestamp, char *timestr)
Rhyme 0:d895cd1cd897 206 {
Rhyme 0:d895cd1cd897 207 struct tm timestruct ;
Rhyme 0:d895cd1cd897 208 ts2tm(timestamp, &timestruct) ;
Rhyme 0:d895cd1cd897 209 sprintf(timestr, "%d%02d%02d%02d%02d%02d",
Rhyme 0:d895cd1cd897 210 timestruct.tm_year,
Rhyme 0:d895cd1cd897 211 timestruct.tm_mon + 1,
Rhyme 0:d895cd1cd897 212 timestruct.tm_mday,
Rhyme 0:d895cd1cd897 213 timestruct.tm_hour,
Rhyme 0:d895cd1cd897 214 timestruct.tm_min,
Rhyme 0:d895cd1cd897 215 timestruct.tm_sec
Rhyme 0:d895cd1cd897 216 ) ;
Rhyme 0:d895cd1cd897 217 }
Rhyme 0:d895cd1cd897 218
Rhyme 0:d895cd1cd897 219 void time2date(struct tm *tm, char *datestr)
Rhyme 0:d895cd1cd897 220 {
Rhyme 0:d895cd1cd897 221 sprintf(datestr, "%d/%d/%d %02d:%02d:%02d (%s)",
Rhyme 0:d895cd1cd897 222 tm->tm_year,
Rhyme 0:d895cd1cd897 223 tm->tm_mon + 1,
Rhyme 0:d895cd1cd897 224 tm->tm_mday,
Rhyme 0:d895cd1cd897 225 tm->tm_hour,
Rhyme 0:d895cd1cd897 226 tm->tm_min,
Rhyme 0:d895cd1cd897 227 tm->tm_sec,
Rhyme 0:d895cd1cd897 228 nameOfDay[tm->tm_wday]
Rhyme 0:d895cd1cd897 229 ) ;
Rhyme 0:d895cd1cd897 230 }