Kenji Arai
run on mbed-os6.6.0
| Num | SD Card pin | Module pin | Pin Name | Port Name | SPI |
|---|---|---|---|---|---|
| 1 | CD/DAT3 | CS | D10 | PB6 | - |
| 2 | CMD/DI | SDI | D11 | PA_7 | MOSI |
| 3 | VSS1 | GND | GND | - | - |
| 4 | VDD | 3.3V | 3V3 | - | - |
| 5 | CLK | CLK | D13 | PA_5 | SCLK |
| 6 | VSS2 | GND | GND | - | - |
| 7 | DAT0/DO | SDO | D12 | PA_6 | MISO |
| 8 | DAT1 | - | - | - | - |
| 9 | DAT2 | - | - | - | - |
電源+/-を含め合計6本の結線で接続します。
Nucleoシリーズは、ボード上のLED(プログラムでLED1）がD13に接続されSPIモード設定時にSCLKとなる構成が多いので、LED1制御を止める必要があります。
For DISCO-F769NI
https://os.mbed.com/users/kenjiArai/code/DISCO-F769NI_BD_SD_Card_Control/
For DISCO-F469NI
https://os.mbed.com/users/kenjiArai/code/DISCO-F469NI_BD_SD_Card_Control/
Diff: FatFs_Mon/mon.cpp
- Revision:
- 4:6d6ea85642ed
- Parent:
- 3:4d7be22641c1
- Child:
- 6:7f8bc932cede
--- a/FatFs_Mon/mon.cpp Sat Aug 17 03:29:11 2019 +0000
+++ b/FatFs_Mon/mon.cpp Tue Dec 24 10:30:40 2019 +0000
@@ -8,7 +8,7 @@
* Created: May 5th, 2015
* Revised: June 14th, 2015
* Revised: April 7th, 2018
- * Revised: August 17th, 2019
+ * Revised: December 24th, 2019
*/
/*
@@ -119,7 +119,7 @@
"x extend commands mode\r\n"
"q Return to main\r\n"
"t Show current time or Adjust time\r\n"
- " e.g. t 18 3 28 14 48 20 -> 2018-03-28 14:48:20\r\n"
+ " e.g. t 19 12 24 10 11 12 -> 2019-12-24 10:11:12\r\n"
"? Help/You know the command\r\n"
"\r\n";
@@ -292,6 +292,30 @@
}
}
+uint32_t get_data_file_size(const char *const file_name)
+{
+ BYTE res;
+ //const char *file_name ="acc_data.txt";
+
+ if (Dirx == NULL){
+ Dirx = new FATFS_DIR;
+ }
+ char p = NULL;
+ res = f_opendir(Dirx, &p);
+ if (res) {
+ put_rc((FRESULT)res);
+ return 0;
+ }
+ for(;;) {
+ res = f_readdir(Dirx, &Finfo);
+ if ((res != FR_OK) || !Finfo.fname[0]) break;
+ if (strcmp(Finfo.fname, file_name) == 0){
+ return Finfo.fsize;
+ }
+ }
+ return 0;
+}
+
static void extended_mon( char *ptr )
{
PUTS(HelpMsg1);