void initialize_mmcsd() {
/* Configure EDMA to service the MMCSD events. */
MMCSDEdmaInit();
#if 0 // TODO: Check if these steps are necessary? -- ertl-liyixiao
/* Perform pin-mux for MMCSD pins. */
MMCSDPinMuxSetup();
/* Enable module clock for MMCSD. */
MMCSDModuleClkConfig();
DelayTimerSetup();
#endif
/* Basic controller initializations */
MMCSDControllerSetup();
/* Initialize the MMCSD controller */
MMCSDCtrlInit(&ctrlInfo);
MMCSDIntEnable(&ctrlInfo);
/* Check SD card status */
while(1) {
if((MMCSDCardPresent(&ctrlInfo)) == 1) {
syslog(LOG_DEBUG, "Card is present");
break;
}
syslog(LOG_ERROR, "Card is not present");
tslp_tsk(1000);
}
/* Initialize device control interface for FatFS */
diskio_initialize(&sdCard);
// static char tmpBuf[1024] __attribute__ ((aligned (SOC_EDMA3_ALIGN_SIZE)));
// MMCSDReadCmdSend(&ctrlInfo, tmpBuf, 0, 1);
// MMCSDReadCmdSend(&ctrlInfo, tmpBuf, 0, 1);
// MMCSDWriteCmdSend(&ctrlInfo, tmpBuf, 0, 1);
// MMCSDWriteCmdSend(&ctrlInfo, tmpBuf, 0, 1);
// dump_mmc(&MMCSD0);
// while(1) tslp_tsk(1000);
}
void initialize_mmcsd() {
/* Configure EDMA to service the MMCSD events. */
MMCSDEdmaInit();
#if 0 // TODO: Check if these steps are necessary? -- ertl-liyixiao
/* Perform pin-mux for MMCSD pins. */
MMCSDPinMuxSetup();
/* Enable module clock for MMCSD. */
MMCSDModuleClkConfig();
DelayTimerSetup();
#endif
/* Basic controller initializations */
MMCSDControllerSetup();
/* Initialize the MMCSD controller */
MMCSDCtrlInit(&ctrlInfo);
// MMCSDIntEnable(&ctrlInfo);
/* Check SD card status */
while(1) {
if((MMCSDCardPresent(&ctrlInfo)) == 1) {
syslog(LOG_DEBUG, "Card is present");
break;
}
syslog(LOG_ERROR, "Card is not present");
tslp_tsk(1000);
}
/* Initialize device control interface for FatFS */
diskio_initialize(&sdCard);
#if 0 // Test code for MMCSD IO operations
MMCSDCardInit(&ctrlInfo);
static char tmpBuf1[512 * 4] __attribute__ ((aligned (SOC_EDMA3_ALIGN_SIZE)));
static char tmpBuf2[512 * 4] __attribute__ ((aligned (SOC_EDMA3_ALIGN_SIZE)));
syslog(LOG_NOTICE, "Test READ_SINGLE_BLOCK (CMD17)");
MMCSDReadCmdSend(&ctrlInfo, tmpBuf1, 0, 1);
syslog(LOG_NOTICE, "Test READ_MULTIPLE_BLOCK (CMD18)");
MMCSDReadCmdSend(&ctrlInfo, tmpBuf1, 0, 3);
#if 0 // Test code for READ_MULTIPLE_BLOCK
syslog(LOG_NOTICE, "Test READ_MULTIPLE_BLOCK (CMD18)");
for (int i = 0; i < 10000; ++i) {
MMCSDReadCmdSend(&ctrlInfo, tmpBuf1, i, 1);
MMCSDReadCmdSend(&ctrlInfo, tmpBuf1, i + 1, 1);
MMCSDReadCmdSend(&ctrlInfo, tmpBuf2, i, 2);
for (int j = 0; j < 1024; ++j) {
if (tmpBuf1[j] != tmpBuf2[j]) {
syslog(LOG_NOTICE, "Different block %d", i);
break;
}
}
if (i % 100 == 0) syslog(LOG_NOTICE, "Compared blocks %d / 10000", i);
}
while(1) tslp_tsk(1000);
#endif
syslog(LOG_NOTICE, "Test WRITE_SINGLE_BLOCK (CMD24)");
MMCSDWriteCmdSend(&ctrlInfo, tmpBuf1, 7626740, 1);
syslog(LOG_NOTICE, "Test WRITE_MULTIPLE_BLOCK (CMD25)");
MMCSDWriteCmdSend(&ctrlInfo, tmpBuf1, 7626740, 3);
syslog(LOG_NOTICE, "Test done");
while(1) tslp_tsk(1000);
#endif
}