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155 lines
8.3 KiB
155 lines
8.3 KiB
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
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* Copyright (c) 2017 Victor Perez
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include "../../inc/MarlinConfig.h" // Allow pins/pins.h to override SDIO clock / retries
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#include <libmaple/sdio.h>
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#include <libmaple/dma.h>
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// ------------------------
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// Defines
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// ------------------------
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#define SDMMC_CMD_GO_IDLE_STATE ((uint8_t)0) /* Resets the SD memory card. */
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#define SDMMC_CMD_ALL_SEND_CID ((uint8_t)2) /* Asks any card connected to the host to send the CID numbers on the CMD line. */
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#define SDMMC_CMD_SET_REL_ADDR ((uint8_t)3) /* Asks the card to publish a new relative address (RCA). */
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#define SDMMC_CMD_SEL_DESEL_CARD ((uint8_t)7) /* Selects the card by its own relative address and gets deselected by any other address */
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#define SDMMC_CMD_HS_SEND_EXT_CSD ((uint8_t)8) /* Sends SD Memory Card interface condition, which includes host supply voltage information and asks the card whether card supports voltage. */
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#define SDMMC_CMD_SEND_CSD ((uint8_t)9) /* Addressed card sends its card specific data (CSD) on the CMD line. */
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#define SDMMC_CMD_SEND_STATUS ((uint8_t)13) /*!< Addressed card sends its status register. */
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#define SDMMC_CMD_READ_SINGLE_BLOCK ((uint8_t)17) /* Reads single block of size selected by SET_BLOCKLEN in case of SDSC, and a block of fixed 512 bytes in case of SDHC and SDXC. */
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#define SDMMC_CMD_WRITE_SINGLE_BLOCK ((uint8_t)24) /* Writes single block of size selected by SET_BLOCKLEN in case of SDSC, and a block of fixed 512 bytes in case of SDHC and SDXC. */
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#define SDMMC_CMD_APP_CMD ((uint8_t)55) /* Indicates to the card that the next command is an application specific command rather than a standard command. */
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#define SDMMC_ACMD_APP_SD_SET_BUSWIDTH ((uint8_t)6) /* (ACMD6) Defines the data bus width to be used for data transfer. The allowed data bus widths are given in SCR register. */
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#define SDMMC_ACMD_SD_APP_OP_COND ((uint8_t)41) /* (ACMD41) Sends host capacity support information (HCS) and asks the accessed card to send its operating condition register (OCR) content in the response on the CMD line. */
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#define SDMMC_ACMD_SD_APP_SET_CLR_CARD_DETECT ((uint8_t)42) /* (ACMD42) Connect/Disconnect the 50 KOhm pull-up resistor on CD/DAT3 (pin 1) of the card */
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#define CMD0_GO_IDLE_STATE (uint16_t)(SDMMC_CMD_GO_IDLE_STATE | SDIO_CMD_WAIT_NO_RESP)
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#define CMD2_ALL_SEND_CID (uint16_t)(SDMMC_CMD_ALL_SEND_CID | SDIO_CMD_WAIT_LONG_RESP)
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#define CMD3_SET_REL_ADDR (uint16_t)(SDMMC_CMD_SET_REL_ADDR | SDIO_CMD_WAIT_SHORT_RESP)
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#define CMD7_SEL_DESEL_CARD (uint16_t)(SDMMC_CMD_SEL_DESEL_CARD | SDIO_CMD_WAIT_SHORT_RESP)
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#define CMD8_HS_SEND_EXT_CSD (uint16_t)(SDMMC_CMD_HS_SEND_EXT_CSD | SDIO_CMD_WAIT_SHORT_RESP)
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#define CMD9_SEND_CSD (uint16_t)(SDMMC_CMD_SEND_CSD | SDIO_CMD_WAIT_LONG_RESP)
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#define CMD13_SEND_STATUS (uint16_t)(SDMMC_CMD_SEND_STATUS | SDIO_CMD_WAIT_SHORT_RESP)
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#define CMD17_READ_SINGLE_BLOCK (uint16_t)(SDMMC_CMD_READ_SINGLE_BLOCK | SDIO_CMD_WAIT_SHORT_RESP)
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#define CMD24_WRITE_SINGLE_BLOCK (uint16_t)(SDMMC_CMD_WRITE_SINGLE_BLOCK | SDIO_CMD_WAIT_SHORT_RESP)
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#define CMD55_APP_CMD (uint16_t)(SDMMC_CMD_APP_CMD | SDIO_CMD_WAIT_SHORT_RESP)
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#define ACMD6_APP_SD_SET_BUSWIDTH (uint16_t)(SDMMC_ACMD_APP_SD_SET_BUSWIDTH | SDIO_CMD_WAIT_SHORT_RESP)
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#define ACMD41_SD_APP_OP_COND (uint16_t)(SDMMC_ACMD_SD_APP_OP_COND | SDIO_CMD_WAIT_SHORT_RESP)
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#define ACMD42_SD_APP_SET_CLR_CARD_DETECT (uint16_t)(SDMMC_ACMD_SD_APP_SET_CLR_CARD_DETECT | SDIO_CMD_WAIT_SHORT_RESP)
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#define SDMMC_ALLZERO 0x00000000U
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#define SDMMC_OCR_ERRORBITS 0xFDFFE008U
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#define SDMMC_R6_GENERAL_UNKNOWN_ERROR 0x00002000U
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#define SDMMC_R6_ILLEGAL_CMD 0x00004000U
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#define SDMMC_R6_COM_CRC_FAILED 0x00008000U
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#define SDMMC_VOLTAGE_WINDOW_SD 0x80100000U
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#define SDMMC_HIGH_CAPACITY 0x40000000U
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#define SDMMC_STD_CAPACITY 0x00000000U
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#define SDMMC_CHECK_PATTERN 0x000001AAU
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#define SDIO_TRANSFER_MODE_BLOCK 0x00000000U
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#define SDIO_DPSM_ENABLE 0x00000001U
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#define SDIO_TRANSFER_DIR_TO_CARD 0x00000000U
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#define SDIO_DATABLOCK_SIZE_512B 0x00000090U
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#define SDIO_TRANSFER_DIR_TO_SDIO 0x00000100U
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#define SDIO_DMA_ENABLE 0x00001000U
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#define CARD_V1_X 0x00000000U
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#define CARD_V2_X 0x00000001U
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#define CARD_SDSC 0x00000000U
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#define CARD_SDHC_SDXC 0x00000001U
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#define SDIO_RESP1 0
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#define SDIO_RESP2 1
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#define SDIO_RESP3 2
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#define SDIO_RESP4 3
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#define SDIO_GET_FLAG(__FLAG__) !!((SDIO->STA) & (__FLAG__))
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#define SDIO_CLEAR_FLAG(__FLAG__) (SDIO->ICR = (__FLAG__))
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#define SDMMC_MAX_VOLT_TRIAL 0x00000FFFU
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#define SDIO_CARD_TRANSFER 0x00000004U /* Card is in transfer state */
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#define SDIO_CARD_ERROR 0x000000FFU /* Card response Error */
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#define SDIO_CMDTIMEOUT 200U /* Command send and response timeout */
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#define SDIO_DATA_TIMEOUT 100U /* Read data transfer timeout */
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#define SDIO_WRITE_TIMEOUT 200U /* Write data transfer timeout */
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#ifndef SDIO_CLOCK
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#define SDIO_CLOCK 18000000 /* 18 MHz */
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#endif
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#ifndef SDIO_READ_RETRIES
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#define SDIO_READ_RETRIES 3
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#endif
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// ------------------------
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// Types
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// ------------------------
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typedef struct {
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uint32_t CardType; // Card Type
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uint32_t CardVersion; // Card version
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uint32_t Class; // Class of the card class
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uint32_t RelCardAdd; // Relative Card Address
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uint32_t BlockNbr; // Card Capacity in blocks
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uint32_t BlockSize; // One block size in bytes
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uint32_t LogBlockNbr; // Card logical Capacity in blocks
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uint32_t LogBlockSize; // Logical block size in bytes
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} SDIO_CardInfoTypeDef;
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// ------------------------
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// Public functions
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// ------------------------
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inline uint32_t SDIO_GetCardState();
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bool SDIO_CmdGoIdleState();
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bool SDIO_CmdSendCID();
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bool SDIO_CmdSetRelAdd(uint32_t *rca);
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bool SDIO_CmdSelDesel(uint32_t address);
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bool SDIO_CmdOperCond();
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bool SDIO_CmdSendCSD(uint32_t argument);
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bool SDIO_CmdSendStatus(uint32_t argument);
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bool SDIO_CmdReadSingleBlock(uint32_t address);
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bool SDIO_CmdWriteSingleBlock(uint32_t address);
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bool SDIO_CmdAppCommand(uint32_t rsa);
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bool SDIO_CmdAppSetBusWidth(uint32_t rsa, uint32_t argument);
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bool SDIO_CmdAppOperCommand(uint32_t sdType);
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bool SDIO_CmdAppSetClearCardDetect(uint32_t rsa);
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void SDIO_SendCommand(uint16_t command, uint32_t argument);
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uint8_t SDIO_GetCommandResponse();
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uint32_t SDIO_GetResponse(uint32_t response);
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bool SDIO_GetCmdError();
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bool SDIO_GetCmdResp1(uint8_t command);
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bool SDIO_GetCmdResp2();
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bool SDIO_GetCmdResp3();
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bool SDIO_GetCmdResp6(uint8_t command, uint32_t *rca);
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bool SDIO_GetCmdResp7();
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