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/**
* Interface from Atmel USB MSD to Marlin SD card
*/
#ifdef ARDUINO_ARCH_SAM
#include "../../../inc/MarlinConfig.h"
#if ENABLED(SDSUPPORT)
#include "../../../sd/cardreader.h"
extern "C" {
#include "sd_mmc_spi_mem.h"
}
#define SD_MMC_BLOCK_SIZE 512
void sd_mmc_spi_mem_init() {
}
Ctrl_status sd_mmc_spi_test_unit_ready() {
#ifdef DISABLE_DUE_SD_MMC
return CTRL_NO_PRESENT;
#endif
if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
return CTRL_NO_PRESENT;
return CTRL_GOOD;
}
// NOTE: This function is defined as returning the address of the last block
// in the card, which is cardSize() - 1
Ctrl_status sd_mmc_spi_read_capacity(uint32_t *nb_sector) {
if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
return CTRL_NO_PRESENT;
*nb_sector = card.getSd2Card().cardSize() - 1;
return CTRL_GOOD;
}
bool sd_mmc_spi_unload(bool) { return true; }
bool sd_mmc_spi_wr_protect() { return false; }
bool sd_mmc_spi_removal() {
return (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted());
}
#if ACCESS_USB == true
/**
* \name MEM <-> USB Interface
* @{
*/
#include "udi_msc.h"
COMPILER_WORD_ALIGNED
uint8_t sector_buf[SD_MMC_BLOCK_SIZE];
// #define DEBUG_MMC
Ctrl_status sd_mmc_spi_usb_read_10(uint32_t addr, uint16_t nb_sector) {
#ifdef DISABLE_DUE_SD_MMC
return CTRL_NO_PRESENT;
#endif
if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
return CTRL_NO_PRESENT;
#ifdef DEBUG_MMC
{
char buffer[80];
sprintf_P(buffer, PSTR("SDRD: %d @ 0x%08x\n"), nb_sector, addr);
PORT_REDIRECT(SERIAL_PORTMASK(0));
SERIAL_ECHO(buffer);
}
#endif
// Start reading
if (!card.getSd2Card().readStart(addr))
return CTRL_FAIL;
// For each specified sector
while (nb_sector--) {
// Read a sector
card.getSd2Card().readData(sector_buf);
// RAM -> USB
if (!udi_msc_trans_block(true, sector_buf, SD_MMC_BLOCK_SIZE, nullptr)) {
card.getSd2Card().readStop();
return CTRL_FAIL;
}
}
// Stop reading
card.getSd2Card().readStop();
// Done
return CTRL_GOOD;
}
Ctrl_status sd_mmc_spi_usb_write_10(uint32_t addr, uint16_t nb_sector) {
#ifdef DISABLE_DUE_SD_MMC
return CTRL_NO_PRESENT;
#endif
if (!IS_SD_INSERTED() || IS_SD_PRINTING() || IS_SD_FILE_OPEN() || !card.isMounted())
return CTRL_NO_PRESENT;
#ifdef DEBUG_MMC
{
char buffer[80];
sprintf_P(buffer, PSTR("SDWR: %d @ 0x%08x\n"), nb_sector, addr);
PORT_REDIRECT(SERIAL_PORTMASK(0));
SERIAL_ECHO(buffer);
}
#endif
if (!card.getSd2Card().writeStart(addr, nb_sector))
return CTRL_FAIL;
// For each specified sector
while (nb_sector--) {
// USB -> RAM
if (!udi_msc_trans_block(false, sector_buf, SD_MMC_BLOCK_SIZE, nullptr)) {
card.getSd2Card().writeStop();
return CTRL_FAIL;
}
// Write a sector
card.getSd2Card().writeData(sector_buf);
}
// Stop writing
card.getSd2Card().writeStop();
// Done
return CTRL_GOOD;
}
#endif // ACCESS_USB == true
#endif // SDSUPPORT
#endif // ARDUINO_ARCH_SAM
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