//! This function initializes the memory for a write operation
//! from ram buffer to SD/MMC (1 sector)
//!
//! DATA FLOW is: RAM => SD/MMC
//!
//! (sector = 512B)
//! @param addr Sector address to write
//! @param ram Ram buffer pointer
//!
//! @return Ctrl_status
//! It is ready -> CTRL_GOOD
//! An error occurs -> CTRL_FAIL
//!
Ctrl_status sd_mmc_spi_ram_2_mem(uint32_t addr, const void *ram)
{
Sd_mmc_spi_access_signal_on();
sd_mmc_spi_check_presence();
if (!sd_mmc_spi_init_done)
{
sd_mmc_spi_mem_init();
}
if (sd_mmc_spi_init_done)
{
sd_mmc_spi_write_open(addr);
if (!sd_mmc_spi_write_sector_from_ram(ram))
{
sd_mmc_spi_write_close();
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
}
sd_mmc_spi_write_close();
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
}
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
}
Ctrl_status sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector)
{
if (!sd_mmc_spi_init_done)
{
sd_mmc_spi_mem_init();
}
if (!sd_mmc_spi_init_done)
return CTRL_NO_PRESENT;
Sd_mmc_spi_access_signal_on();
if( !sd_mmc_spi_read_open(addr) )
goto sd_mmc_spi_usb_read_10_fail;
if( !sd_mmc_spi_read_multiple_sector(nb_sector) )
goto sd_mmc_spi_usb_read_10_fail;
if( !sd_mmc_spi_read_close() )
goto sd_mmc_spi_usb_read_10_fail;
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
sd_mmc_spi_usb_read_10_fail:
Sd_mmc_spi_access_signal_off();
return CTRL_FAIL;
}
Ctrl_status sd_mmc_spi_mem_2_ram(uint32_t addr, void *ram)
{
Sd_mmc_spi_access_signal_on();
sd_mmc_spi_check_presence();
if (!sd_mmc_spi_init_done)
{
sd_mmc_spi_mem_init();
}
if (!sd_mmc_spi_init_done)
return CTRL_NO_PRESENT;
if( !sd_mmc_spi_read_open(addr) )
goto sd_mmc_spi_mem_2_ram_fail;
if( !sd_mmc_spi_read_sector_to_ram(ram))
goto sd_mmc_spi_mem_2_ram_fail;
if( !sd_mmc_spi_read_close() )
goto sd_mmc_spi_mem_2_ram_fail;
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
sd_mmc_spi_mem_2_ram_fail:
Sd_mmc_spi_access_signal_off();
return CTRL_FAIL;
}
Ctrl_status sd_mmc_spi_mem_2_ram(U32 addr, void *ram)
{
Sd_mmc_spi_access_signal_on();
sd_mmc_spi_check_presence();
if (sd_mmc_spi_init_done == FALSE)
{
sd_mmc_spi_mem_init();
}
if (sd_mmc_spi_init_done == TRUE)
{
sd_mmc_spi_read_open(addr);
if (KO == sd_mmc_spi_read_sector_to_ram(ram))
{
sd_mmc_spi_write_close();
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
}
sd_mmc_spi_read_close();
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
}
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
}
Ctrl_status sd_mmc_spi_read_capacity(uint32_t *nb_sector)
{
// sd_mmc_spi_check_presence(); // omitted because creates interferences with "sd_mmc_spi_test_unit_ready()" function
Sd_mmc_spi_access_signal_on();
if (!sd_mmc_spi_init_done)
{
sd_mmc_spi_mem_init();
}
if (sd_mmc_spi_init_done)
{
*nb_sector = sd_mmc_spi_last_block_address+1;
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
}
else
{
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
}
}
Ctrl_status sd_mmc_spi_read_capacity(U32 *u32_nb_sector)
{
// sd_mmc_spi_check_presence(); // ommited because creates interferences with "sd_mmc_spi_test_unit_ready()" function
Sd_mmc_spi_access_signal_on();
if (sd_mmc_spi_init_done == FALSE)
{
sd_mmc_spi_mem_init();
}
if (sd_mmc_spi_init_done == TRUE)
{
*u32_nb_sector = capacity;
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
}
else
{
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
}
}
Ctrl_status sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector)
{
bool status;
if (!sd_mmc_spi_init_done)
{
sd_mmc_spi_mem_init();
}
if (sd_mmc_spi_init_done)
{
Sd_mmc_spi_access_signal_on();
sd_mmc_spi_write_open(addr);
status = sd_mmc_spi_write_multiple_sector(nb_sector);
sd_mmc_spi_write_close();
Sd_mmc_spi_access_signal_off();
if (status)
return CTRL_GOOD;
else
return CTRL_NO_PRESENT;
}
else
return CTRL_NO_PRESENT;
}
Ctrl_status sd_mmc_spi_usb_write_10(U32 addr, U16 nb_sector)
{
Bool status;
if (sd_mmc_spi_init_done == FALSE)
{
sd_mmc_spi_mem_init();
}
if (sd_mmc_spi_init_done == TRUE)
{
Sd_mmc_spi_access_signal_on();
sd_mmc_spi_write_open(addr);
status = sd_mmc_spi_write_multiple_sector(nb_sector);
sd_mmc_spi_write_close();
Sd_mmc_spi_access_signal_off();
if (status == OK)
return CTRL_GOOD;
else
return CTRL_NO_PRESENT;
}
else
return CTRL_NO_PRESENT;
}
Ctrl_status sd_mmc_spi_test_unit_ready(void)
{
Sd_mmc_spi_access_signal_on();
switch (sd_mmc_spi_presence_status)
{
case SD_MMC_REMOVED:
sd_mmc_spi_init_done = false;
if (sd_mmc_spi_mem_check())
{
sd_mmc_spi_presence_status = SD_MMC_INSERTED;
Sd_mmc_spi_access_signal_off();
return CTRL_BUSY;
}
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
case SD_MMC_INSERTED:
if (!sd_mmc_spi_mem_check())
{
sd_mmc_spi_presence_status = SD_MMC_REMOVING;
sd_mmc_spi_init_done = false;
Sd_mmc_spi_access_signal_off();
return CTRL_BUSY;
}
Sd_mmc_spi_access_signal_off();
return CTRL_GOOD;
case SD_MMC_REMOVING:
sd_mmc_spi_presence_status = SD_MMC_REMOVED;
Sd_mmc_spi_access_signal_off();
return CTRL_NO_PRESENT;
default:
sd_mmc_spi_presence_status = SD_MMC_REMOVED;
Sd_mmc_spi_access_signal_off();
return CTRL_BUSY;
}
/*
if (sd_mmc_spi_mem_check())
{
if (!sd_mmc_spi_status_changed)
{
sd_mmc_spi_status_changed = true;
return CTRL_BUSY; // BUSY token must be returned to indicate a status change !
}
else
return CTRL_GOOD; // the 2nd time the host will ask for unit_ready, we can answer GOOD if we have returned BUSY first !
}
else
{
if (sd_mmc_spi_status_changed)
{
sd_mmc_spi_status_changed = false;
return CTRL_BUSY; // BUSY token must be returned to indicate a status change !
}
else
return CTRL_NO_PRESENT;
}
*/
}
