/**
* \brief Initialize a disk.
*
* \param drv Physical drive number (0..).
*
* \return 0 or disk status in combination of DSTATUS bits
* (STA_NOINIT, STA_PROTECT).
*/
DSTATUS disk_initialize(BYTE drv)
{
int i;
Ctrl_status mem_status;
#if 0
/* Default RTC configuration, 24-hour mode */
rtc_set_hour_mode(RTC, 0);
#endif
#if 0
configure_rtc_calendar();
#endif
#if LUN_USB
/* USB disk with multiple LUNs */
if (drv > LUN_ID_USB + Lun_usb_get_lun()) {
return STA_NOINIT;
}
#else
if (drv > MAX_LUN) {
/* At least one of the LUN should be defined */
return STA_NOINIT;
}
#endif
/* Check LUN ready (USB disk report CTRL_BUSY then CTRL_GOOD) */
for (i = 0; i < 2; i ++) {
mem_status = mem_test_unit_ready(drv);
if (CTRL_BUSY != mem_status) {
break;
}
}
if (mem_status != CTRL_GOOD) {
return STA_NOINIT;
}
/* Check Write Protection Status */
if (mem_wr_protect(drv)) {
return STA_PROTECT;
}
/* The memory should already be initialized */
return 0;
}
U8 get_nb_lun(void)
{
#if MEM_USB == ENABLE
# ifndef Lun_usb_get_lun
# define Lun_usb_get_lun() host_get_lun()
# endif
U8 nb_lun;
if (!Ctrl_access_lock()) return MAX_LUN;
nb_lun = MAX_LUN + Lun_usb_get_lun();
Ctrl_access_unlock();
return nb_lun;
#else
return MAX_LUN;
#endif
}
/**
* \brief Initialize a disk.
*
* \param drv Physical drive number (0..).
*
* \return 0 or disk status in combination of DSTATUS bits
* (STA_NOINIT, STA_PROTECT).
*/
DSTATUS disk_initialize(BYTE drv)
{
#if LUN_USB
/* USB disk with multiple LUNs */
if (drv > LUN_ID_USB + Lun_usb_get_lun()) {
return STA_NOINIT;
}
#else
if (drv > MAX_LUN) {
/* At least one of the LUN should be defined */
return STA_NOINIT;
}
#endif
MutexLocker lock((drv >= SD_MMC_HSMCI_MEM_CNT) ? Tasks::GetSpiMutex() : nullptr);
Ctrl_status mem_status;
/* Check LUN ready (USB disk report CTRL_BUSY then CTRL_GOOD) */
for (int i = 0; i < 2; i ++) {
mem_status = mem_test_unit_ready(drv);
if (CTRL_BUSY != mem_status) {
break;
}
}
if (mem_status != CTRL_GOOD) {
return STA_NOINIT;
}
/* Check Write Protection Status */
if (mem_wr_protect(drv)) {
return STA_PROTECT;
}
/* The memory should already be initialized */
return 0;
}
