Rev 294 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 294 | Rev 297 | ||
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| 5 | #include "ssc.h" |
5 | #include "ssc.h" |
| 6 | #include "timer0.h" |
6 | #include "timer0.h" |
| 7 | #include "printf_P.h" |
7 | #include "printf_P.h" |
| 8 | #include "crc16.h" |
8 | #include "crc16.h" |
| Line 9... | Line 9... | ||
| 9 | 9 | ||
| Line 10... | Line 10... | ||
| 10 | #define _SD_DEBUG |
10 | //#define _SD_DEBUG |
| 11 | 11 | ||
| 12 | #define CMD_GO_IDLE_STATE 0x00 /* CMD00: response R1 */ |
12 | #define CMD_GO_IDLE_STATE 0x00 /* CMD00: response R1 */ |
| 13 | #define CMD_SEND_OP_COND 0x01 /* CMD01: response R1 */ |
13 | #define CMD_SEND_OP_COND 0x01 /* CMD01: response R1 */ |
| Line 138... | Line 138... | ||
| 138 | printf("\r\nCmd=%02X, arg=%04X%04X", CmdNo, (uint16_t)(arg>>16), (uint16_t)(0xFFFF & arg)); |
138 | printf("\r\nCmd=%02X, arg=%04X%04X", CmdNo, (uint16_t)(arg>>16), (uint16_t)(0xFFFF & arg)); |
| 139 | #endif |
139 | #endif |
| 140 | SSC_Disable(); // disable chipselect. |
140 | SSC_Disable(); // disable chipselect. |
| 141 | SSC_PutChar(0xFF); // dummy to sync |
141 | SSC_PutChar(0xFF); // dummy to sync |
| 142 | SSC_Enable(); // enable chipselect. |
142 | SSC_Enable(); // enable chipselect. |
| 143 | _delay_loop_2(200); |
- | |
| - | 143 | ||
| 144 | //SDC_WaitForBusy(500); // wait 500ms until card is busy |
144 | SDC_WaitForBusy(500); // wait 500ms until card is busy |
| Line 145... | Line 145... | ||
| 145 | 145 | ||
| 146 | for (a = 0;a < 6; a++) // send the command sequence to the sdcard (6 bytes) |
146 | for (a = 0;a < 6; a++) // send the command sequence to the sdcard (6 bytes) |
| 147 | { |
147 | { |
| 148 | SSC_PutChar(cmd[a]); |
148 | SSC_PutChar(cmd[a]); |
| 149 | _delay_loop_2(10); |
149 | _delay_loop_2(10); |
| 150 | } |
150 | } |
| 151 | // get response byte |
151 | // get response byte |
| 152 | do |
152 | do |
| 153 | { |
153 | { |
| 154 | r1 = SSC_GetChar(); // get byte from sd-card |
154 | r1 = SSC_GetChar(); // get byte from sd-card |
| 155 | if (timeout++ > 1000) break; |
155 | if (timeout++ > 500) break; |
| 156 | }while(r1 == 0xFF); // wait for the response byte from sd-card. |
156 | }while(r1 == 0xFF); // wait for the response byte from sd-card. |
| 157 | #ifdef _SD_DEBUG |
157 | #ifdef _SD_DEBUG |
| 158 | printf("-->R1=%02X", r1); |
158 | printf("-->R1=%02X", r1); |
| 159 | #endif |
159 | #endif |
| Line 310... | Line 310... | ||
| 310 | { |
310 | { |
| 311 | printf("\r\n SSC init..."); |
311 | printf("\r\n SSC init..."); |
| 312 | SSC_Init(); |
312 | SSC_Init(); |
| 313 | printf("ok"); |
313 | printf("ok"); |
| Line 314... | Line 314... | ||
| 314 | 314 | ||
| Line 315... | Line 315... | ||
| 315 | _delay_loop_2(1050); |
315 | //_delay_loop_2(1050); |
| 316 | 316 | ||
| 317 | printf("\r\n SDC init..."); |
317 | printf("\r\n SDC init..."); |
| 318 | SDCardInfo.Valid = 0; |
318 | SDCardInfo.Valid = 0; |
| Line 516... | Line 516... | ||
| 516 | } |
516 | } |
| Line 517... | Line 517... | ||
| 517 | 517 | ||
| 518 | switch(SDCardInfo.Version) |
518 | switch(SDCardInfo.Version) |
| 519 | { |
519 | { |
| 520 | case VER_1X: |
520 | case VER_1X: |
| 521 | printf(" SD-CARD V1.x"); |
521 | printf("\r\n SD-CARD V1.x"); |
| 522 | break; |
522 | break; |
| 523 | case VER_20: |
523 | case VER_20: |
| 524 | printf(" SD-CARD V2.0 or later"); |
524 | printf("\r\n SD-CARD V2.0 or later"); |
| 525 | default: |
525 | default: |
| 526 | break; |
526 | break; |
| 527 | } |
527 | } |
| 528 | uint16_t mb_size = (uint16_t)(SDCardInfo.Capacity/(1024L*1024L)); |
528 | uint16_t mb_size = (uint16_t)(SDCardInfo.Capacity/(1024L*1024L)); |