STarks / Mbed OS HelloWorld_CCA01M1_mbedOS_semplificato

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Dependencies:   Freetronics_16x2_LCD sd-driver

Fork of HelloWorld_CCA01M1_mbedOS45 by STarks

main.cpp@15:3624055fac29, 2018-01-22 (annotated)

Committer:
vidica94
Date:
Mon Jan 22 12:20:32 2018 +0000
Revision:
15:3624055fac29
Parent:
14:244ec24ee6dd
Child:
16:5e8108b82891
con i thread

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nikapov 0:8d09369ca839 1 #include "mbed.h"
vidica94 12:d847a3c0cf76 2 #include "FATFileSystem.h"
vidica94 12:d847a3c0cf76 3 #include "SDBlockDevice.h"
vidica94 12:d847a3c0cf76 4 #include <stdio.h>
vidica94 12:d847a3c0cf76 5 #include <errno.h>
vidica94 12:d847a3c0cf76 6 #include "freetronicsLCDShield.h"
nikapov 0:8d09369ca839 7 /* Helper header files. */
nikapov 0:8d09369ca839 8 #include "DevI2C.h"
nikapov 0:8d09369ca839 9
nikapov 0:8d09369ca839 10 /* Component specific header files. */
davide.aliprandi@st.com 5:ac729170df5f 11 #include "STA350BW.h"
nikapov 0:8d09369ca839 12
nikapov 0:8d09369ca839 13 /* My song header file. */
nikapov 0:8d09369ca839 14 #include "my_song.h"
nikapov 0:8d09369ca839 15
vidica94 14:244ec24ee6dd 16 //SDBlockDevice bd(PB_5, PB_4, PB_3, PA_15);
vidica94 12:d847a3c0cf76 17 SDBlockDevice bd(PA_7, PA_6, PA_5, PA_8);
vidica94 12:d847a3c0cf76 18 FATFileSystem fs("fs");
vidica94 12:d847a3c0cf76 19 freetronicsLCDShield lcd(D8, D9, D4, D5, D6, D2, D3, A0);
vidica94 15:3624055fac29 20 Thread Leggi_SD_Thread;
vidica94 15:3624055fac29 21 Thread Suona_Thread;
vidica94 15:3624055fac29 22 argomento* arg=(argomento*) malloc(sizeof(argomento));
vidica94 15:3624055fac29 23
vidica94 15:3624055fac29 24
vidica94 15:3624055fac29 25
vidica94 15:3624055fac29 26
vidica94 15:3624055fac29 27
vidica94 15:3624055fac29 28 void Leggi_SD(argomento * arg){
vidica94 15:3624055fac29 29
vidica94 15:3624055fac29 30 while(1){
vidica94 15:3624055fac29 31
vidica94 15:3624055fac29 32 if(arg->sel == 0){
vidica94 15:3624055fac29 33 fread(arg->ping,sizeof(int16_t), arg->size, arg->fd);
vidica94 15:3624055fac29 34 }else if(arg->sel == 1){
vidica94 15:3624055fac29 35 fread(arg->pong, sizeof(int16_t), arg->size, arg->fd);
vidica94 15:3624055fac29 36 }
vidica94 15:3624055fac29 37 }
vidica94 15:3624055fac29 38
vidica94 15:3624055fac29 39 }
vidica94 15:3624055fac29 40
vidica94 15:3624055fac29 41
nikapov 0:8d09369ca839 42
nikapov 0:8d09369ca839 43 #define PLAY_STOP_EVENT (0x1)
vidica94 14:244ec24ee6dd 44 int16_t buff[3000] = {0};
nikapov 0:8d09369ca839 45
nikapov 0:8d09369ca839 46 /* Variables -----------------------------------------------------------------*/
nikapov 0:8d09369ca839 47
nikapov 0:8d09369ca839 48 /* Initialization parameters. */
Davidroid 7:94e3191477c5 49 STA350BW_init_t init =
nikapov 0:8d09369ca839 50 {
vidica94 15:3624055fac29 51 32000, /* Default Sampling Frequency [Hz]. */
nikapov 0:8d09369ca839 52 100 /* Default Volume. */
nikapov 0:8d09369ca839 53 };
nikapov 0:8d09369ca839 54
nikapov 0:8d09369ca839 55 /* Sound Terminal Component. */
nikapov 0:8d09369ca839 56 STA350BW *sound_terminal;
nikapov 0:8d09369ca839 57
nikapov 0:8d09369ca839 58 /* Thread to manage I2S peripherals. */
nikapov 0:8d09369ca839 59 static rtos::Thread i2s_bh_daemon;
nikapov 0:8d09369ca839 60
nikapov 0:8d09369ca839 61 /* Threads. */
nikapov 0:8d09369ca839 62 Thread *play_stop_thread;
nikapov 0:8d09369ca839 63
nikapov 0:8d09369ca839 64 /* User button handling. */
nikapov 0:8d09369ca839 65 InterruptIn event(USER_BUTTON);
nikapov 0:8d09369ca839 66
nikapov 0:8d09369ca839 67
nikapov 0:8d09369ca839 68 /* Functions -----------------------------------------------------------------*/
nikapov 0:8d09369ca839 69
nikapov 0:8d09369ca839 70 /**
nikapov 0:8d09369ca839 71 * @brief User button handler function.
nikapov 0:8d09369ca839 72 * @param None.
nikapov 0:8d09369ca839 73 * @retval None.
nikapov 0:8d09369ca839 74 */
nikapov 0:8d09369ca839 75 void pressed(void)
nikapov 0:8d09369ca839 76 {
nikapov 0:8d09369ca839 77 /* Signal to play/stop handler thread. */
nikapov 0:8d09369ca839 78 play_stop_thread->signal_set(PLAY_STOP_EVENT);
nikapov 0:8d09369ca839 79 }
nikapov 0:8d09369ca839 80
nikapov 0:8d09369ca839 81 /**
nikapov 0:8d09369ca839 82 * @brief Play/stop handler function.
nikapov 0:8d09369ca839 83 * @param None.
nikapov 0:8d09369ca839 84 * @retval None.
nikapov 0:8d09369ca839 85 */
vidica94 15:3624055fac29 86
davide.aliprandi@st.com 5:ac729170df5f 87 void play_stop_handler(void)
nikapov 0:8d09369ca839 88 {
nikapov 0:8d09369ca839 89 while (true)
nikapov 0:8d09369ca839 90 {
nikapov 0:8d09369ca839 91 static bool stop = true;
nikapov 0:8d09369ca839 92
vidica94 15:3624055fac29 93 // Waiting for play/stop events.
nikapov 0:8d09369ca839 94 play_stop_thread->signal_wait(PLAY_STOP_EVENT);
nikapov 0:8d09369ca839 95
nikapov 0:8d09369ca839 96 if (stop)
davide.aliprandi@st.com 5:ac729170df5f 97 sound_terminal->stop();
nikapov 0:8d09369ca839 98 else
vidica94 15:3624055fac29 99 // sound_terminal->play((int16_t *) my_song, (uint16_t) sizeof(my_song), true);
nikapov 0:8d09369ca839 100 printf("--> %s\r\n", stop ? "Stop." : "Playing...");
nikapov 0:8d09369ca839 101
nikapov 0:8d09369ca839 102 stop = !stop;
nikapov 0:8d09369ca839 103 }
vidica94 12:d847a3c0cf76 104 }
vidica94 12:d847a3c0cf76 105
vidica94 15:3624055fac29 106
vidica94 12:d847a3c0cf76 107
vidica94 12:d847a3c0cf76 108 void return_error(int ret_val){
vidica94 12:d847a3c0cf76 109 if (ret_val)
vidica94 12:d847a3c0cf76 110 printf("Failure. %d\r\n", ret_val);
vidica94 12:d847a3c0cf76 111 else
vidica94 12:d847a3c0cf76 112 printf("done.\r\n");
nikapov 0:8d09369ca839 113 }
nikapov 0:8d09369ca839 114
vidica94 12:d847a3c0cf76 115 void errno_error(void* ret_val){
vidica94 12:d847a3c0cf76 116 if (ret_val == NULL)
vidica94 12:d847a3c0cf76 117 printf(" Failure. %d \r\n", errno);
vidica94 12:d847a3c0cf76 118 else
vidica94 12:d847a3c0cf76 119 printf(" done.\r\n");
vidica94 12:d847a3c0cf76 120 }
vidica94 12:d847a3c0cf76 121
vidica94 15:3624055fac29 122 void Suona(argomento * arg){
vidica94 15:3624055fac29 123
vidica94 15:3624055fac29 124 while(1){
vidica94 15:3624055fac29 125 if(arg->sel == 0){
vidica94 15:3624055fac29 126 sound_terminal->play((int16_t *) arg->pong, (uint16_t) sizeof(int16_t)*arg->size, true);
vidica94 15:3624055fac29 127 } else if( arg->sel == 1) {
vidica94 15:3624055fac29 128 sound_terminal->play((int16_t *) arg->ping, (uint16_t) sizeof(int16_t)*arg->size, true);
vidica94 15:3624055fac29 129 }
vidica94 15:3624055fac29 130
vidica94 15:3624055fac29 131 arg->sel = !(arg->sel);
vidica94 15:3624055fac29 132 }
vidica94 15:3624055fac29 133
vidica94 15:3624055fac29 134 }
vidica94 15:3624055fac29 135
vidica94 12:d847a3c0cf76 136 int main() {
vidica94 12:d847a3c0cf76 137
vidica94 12:d847a3c0cf76 138 /*----- Initialization. -----*/
vidica94 15:3624055fac29 139 arg->sel=0;
vidica94 15:3624055fac29 140 arg->size=4000;
nikapov 0:8d09369ca839 141
nikapov 0:8d09369ca839 142 /* Initializing I2C bus. */
Davidroid 4:6bb9e11d322b 143 DevI2C *dev_i2c = new DevI2C(PB_9, PB_8);
nikapov 0:8d09369ca839 144
nikapov 0:8d09369ca839 145 /* Initializing Sound Terminal Component. */
nikapov 0:8d09369ca839 146 #ifndef USE_I2S2
nikapov 0:8d09369ca839 147 sound_terminal = new STA350BW(PA_10, STA350BW_ADDRESS_1, *dev_i2c, PB_15, PB_13, PB_12, NC, PC_6);
nikapov 0:8d09369ca839 148 #else
nikapov 0:8d09369ca839 149 sound_terminal = new STA350BW(PA_10, STA350BW_ADDRESS_2, *dev_i2c, PC_12, PC_10, PA_4, NC, PC_7);
nikapov 0:8d09369ca839 150 #endif
davide.aliprandi@st.com 5:ac729170df5f 151 if (sound_terminal->init(&init) != COMPONENT_OK)
nikapov 0:8d09369ca839 152 {
nikapov 0:8d09369ca839 153 error("Initialization of the Sound Terminal Expansion Board failed.\r\n");
nikapov 0:8d09369ca839 154 exit(EXIT_FAILURE);
nikapov 0:8d09369ca839 155 }
nikapov 0:8d09369ca839 156
nikapov 0:8d09369ca839 157 /* Starting a thread to manage I2S peripherals. */
nikapov 0:8d09369ca839 158 Callback<void()> i2s_bh_task(&I2S::i2s_bh_queue, &events::EventQueue::dispatch_forever);
nikapov 0:8d09369ca839 159 i2s_bh_daemon.start(i2s_bh_task);
nikapov 0:8d09369ca839 160
nikapov 0:8d09369ca839 161 /* Scheduling the play/stop function. */
nikapov 0:8d09369ca839 162 play_stop_thread = new Thread();
davide.aliprandi@st.com 5:ac729170df5f 163 osStatus status = play_stop_thread->start(play_stop_handler);
nikapov 0:8d09369ca839 164 if (status != osOK)
nikapov 0:8d09369ca839 165 printf("Could not start the play/stop handler thread.\r\n");
nikapov 0:8d09369ca839 166 event.fall(&pressed);
nikapov 0:8d09369ca839 167
nikapov 0:8d09369ca839 168 /* Setting Sound Terminal Component's parameters. */
davide.aliprandi@st.com 5:ac729170df5f 169 sound_terminal->set_frequency(MY_SONG_AUDIO_FREQUENCY);
davide.aliprandi@st.com 5:ac729170df5f 170 sound_terminal->set_volume(STA350BW_CHANNEL_MASTER, 60);
nikapov 0:8d09369ca839 171
nikapov 0:8d09369ca839 172 /* Printing to the console. */
nikapov 0:8d09369ca839 173 printf("Sound Terminal Application Example\r\n\n");
nikapov 0:8d09369ca839 174
vidica94 12:d847a3c0cf76 175
vidica94 12:d847a3c0cf76 176
vidica94 12:d847a3c0cf76 177
vidica94 12:d847a3c0cf76 178
vidica94 12:d847a3c0cf76 179
vidica94 12:d847a3c0cf76 180
vidica94 12:d847a3c0cf76 181
vidica94 12:d847a3c0cf76 182
vidica94 12:d847a3c0cf76 183
vidica94 12:d847a3c0cf76 184 // turn on the back light (it's off by default)
vidica94 12:d847a3c0cf76 185 lcd.setBackLight(true);
vidica94 12:d847a3c0cf76 186
vidica94 12:d847a3c0cf76 187 int error = 0;
vidica94 12:d847a3c0cf76 188 printf("Welcome to the filesystem example.\r\n"
vidica94 12:d847a3c0cf76 189 "Formatting a FAT, RAM-backed filesystem. ");
vidica94 12:d847a3c0cf76 190 //error = FATFileSystem::format(&bd);
vidica94 12:d847a3c0cf76 191 return_error(error);
nikapov 0:8d09369ca839 192
vidica94 12:d847a3c0cf76 193 printf("Mounting the filesystem on \"/fs\". ");
vidica94 12:d847a3c0cf76 194 error = fs.mount(&bd);
vidica94 12:d847a3c0cf76 195 return_error(error);
vidica94 12:d847a3c0cf76 196
vidica94 12:d847a3c0cf76 197
vidica94 12:d847a3c0cf76 198 printf(" done.\r\n");
nikapov 0:8d09369ca839 199
vidica94 12:d847a3c0cf76 200 printf("Re-opening file read-only.");
vidica94 14:244ec24ee6dd 201 FILE* fd = fopen("/fs/campagnola.wav", "r");
vidica94 12:d847a3c0cf76 202 errno_error(fd);
vidica94 15:3624055fac29 203 arg->fd=fd;
vidica94 15:3624055fac29 204 Leggi_SD_Thread.start(callback(Leggi_SD,arg));
vidica94 15:3624055fac29 205 Suona_Thread.start(callback(Suona,arg));
vidica94 15:3624055fac29 206
vidica94 15:3624055fac29 207
vidica94 12:d847a3c0cf76 208 printf("Dumping file to screen.\r\n");
vidica94 14:244ec24ee6dd 209
vidica94 12:d847a3c0cf76 210 while (!feof(fd)){
vidica94 14:244ec24ee6dd 211
vidica94 12:d847a3c0cf76 212 // printf("inizo file to screen.\r\n");
vidica94 14:244ec24ee6dd 213 //fscanf( fd , "%c%c" , & a ) ;
vidica94 14:244ec24ee6dd 214 //fscanf( fd , "%c" , & c) ;
vidica94 15:3624055fac29 215 //fread(buff,sizeof(int16_t),3000,fd);
vidica94 14:244ec24ee6dd 216 //int b=(((int)a*256)+((int )c));
vidica94 14:244ec24ee6dd 217 //b=b-32768;
vidica94 14:244ec24ee6dd 218 //printf("%d \r\n",b);
vidica94 12:d847a3c0cf76 219 //printf ( "%c-" , a[1]) ;printf ( "%c\r\n" , a[0]) ;
vidica94 12:d847a3c0cf76 220 //printf("--> Playing...\r\n");
vidica94 14:244ec24ee6dd 221 //printf ( "%d\r\n " , buff[i] ) ;
nikapov 0:8d09369ca839 222
vidica94 14:244ec24ee6dd 223 //buff[i]=a;
vidica94 12:d847a3c0cf76 224
vidica94 14:244ec24ee6dd 225
vidica94 14:244ec24ee6dd 226
vidica94 12:d847a3c0cf76 227 // int size = fread(&buff[0], 1, 159, fd);
vidica94 12:d847a3c0cf76 228 //fwrite(&buff[0], 1, size, stdout);
vidica94 12:d847a3c0cf76 229
vidica94 15:3624055fac29 230 //sound_terminal->play((int16_t *) buff, (uint16_t) sizeof(buff), true );
vidica94 12:d847a3c0cf76 231 }
vidica94 12:d847a3c0cf76 232 printf("EOF.\r\n");
vidica94 12:d847a3c0cf76 233
vidica94 12:d847a3c0cf76 234 printf("Closing file.");
vidica94 12:d847a3c0cf76 235 fclose(fd);
vidica94 12:d847a3c0cf76 236 printf(" done.\r\n");
nikapov 0:8d09369ca839 237
vidica94 12:d847a3c0cf76 238 printf("Opening root directory.");
vidica94 12:d847a3c0cf76 239 DIR* dir = opendir("/fs/");
vidica94 12:d847a3c0cf76 240 errno_error(fd);
vidica94 12:d847a3c0cf76 241
vidica94 12:d847a3c0cf76 242 struct dirent* de;
vidica94 12:d847a3c0cf76 243 printf("Printing all filenames:\r\n");
vidica94 12:d847a3c0cf76 244 while((de = readdir(dir)) != NULL){
vidica94 12:d847a3c0cf76 245 printf(" %s\r\n", &(de->d_name)[0]);
vidica94 12:d847a3c0cf76 246 }
vidica94 12:d847a3c0cf76 247
vidica94 12:d847a3c0cf76 248 printf("Closeing root directory. ");
vidica94 12:d847a3c0cf76 249 error = closedir(dir);
vidica94 12:d847a3c0cf76 250 return_error(error);
vidica94 12:d847a3c0cf76 251 printf("Filesystem Demo complete.\r\n");
vidica94 12:d847a3c0cf76 252
vidica94 12:d847a3c0cf76 253 while (true) {}
vidica94 12:d847a3c0cf76 254 }