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