268 lines
10 KiB
C++
268 lines
10 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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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 <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef __STM32F1__
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#include "HAL_sdio_STM32F1.h"
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SDIO_CardInfoTypeDef SdCard;
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bool SDIO_Init(void) {
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uint32_t count = 0U;
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SdCard.CardType = SdCard.CardVersion = SdCard.Class = SdCard.RelCardAdd = SdCard.BlockNbr = SdCard.BlockSize = SdCard.LogBlockNbr = SdCard.LogBlockSize = 0;
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sdio_begin();
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sdio_set_dbus_width(SDIO_CLKCR_WIDBUS_1BIT);
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dma_init(SDIO_DMA_DEV);
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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dma_set_priority(SDIO_DMA_DEV, SDIO_DMA_CHANNEL, DMA_PRIORITY_VERY_HIGH);
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if (!SDIO_CmdGoIdleState()) return false;
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if (!SDIO_CmdGoIdleState()) return false; /* Hotplugged cards tends to miss first CMD0, so give them a second chance. */
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SdCard.CardVersion = SDIO_CmdOperCond() ? CARD_V2_X : CARD_V1_X;
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do {
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if (count++ == SDMMC_MAX_VOLT_TRIAL) return false;
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SDIO_CmdAppOperCommand(SdCard.CardVersion == CARD_V2_X ? SDMMC_HIGH_CAPACITY : SDMMC_STD_CAPACITY);
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} while ((SDIO_GetResponse(SDIO_RESP1) & 0x80000000) == 0);
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SdCard.CardType = (SDIO_GetResponse(SDIO_RESP1) & SDMMC_HIGH_CAPACITY) ? CARD_SDHC_SDXC : CARD_SDSC;
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if (!SDIO_CmdSendCID()) return false;
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if (!SDIO_CmdSetRelAdd(&SdCard.RelCardAdd)) return false; /* Send CMD3 SET_REL_ADDR with argument 0. SD Card publishes its RCA. */
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if (!SDIO_CmdSendCSD(SdCard.RelCardAdd << 16U)) return false;
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SdCard.Class = (SDIO_GetResponse(SDIO_RESP2) >> 20U);
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if (SdCard.CardType == CARD_SDHC_SDXC) {
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SdCard.LogBlockNbr = SdCard.BlockNbr = (((SDIO_GetResponse(SDIO_RESP2) & 0x0000003FU) << 26U) | ((SDIO_GetResponse(SDIO_RESP3) & 0xFFFF0000U) >> 6U)) + 1024;
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SdCard.LogBlockSize = SdCard.BlockSize = 512U;
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}
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else {
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SdCard.BlockNbr = ((((SDIO_GetResponse(SDIO_RESP2) & 0x000003FFU) << 2U ) | ((SDIO_GetResponse(SDIO_RESP3) & 0xC0000000U) >> 30U)) + 1U) * (4U << ((SDIO_GetResponse(SDIO_RESP3) & 0x00038000U) >> 15U));
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SdCard.BlockSize = 1U << ((SDIO_GetResponse(SDIO_RESP2) >> 16) & 0x0FU);
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SdCard.LogBlockNbr = (SdCard.BlockNbr) * ((SdCard.BlockSize) / 512U);
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SdCard.LogBlockSize = 512U;
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}
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if (!SDIO_CmdSelDesel(SdCard.RelCardAdd << 16U)) return false;
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if (!SDIO_CmdAppSetClearCardDetect(SdCard.RelCardAdd << 16U)) return false;
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if (!SDIO_CmdAppSetBusWidth(SdCard.RelCardAdd << 16U, 2)) return false;
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sdio_set_dbus_width(SDIO_CLKCR_WIDBUS_4BIT);
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sdio_set_clock(SDIO_CLOCK);
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return true;
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}
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bool SDIO_ReadBlock(uint32_t blockAddress, uint8_t *data) {
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if (SDIO_GetCardState() != SDIO_CARD_TRANSFER) return false;
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if (blockAddress >= SdCard.LogBlockNbr) return false;
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if ((0x03 & (uint32_t)data)) return false; // misaligned data
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if (SdCard.CardType != CARD_SDHC_SDXC) { blockAddress *= 512U; }
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dma_setup_transfer(SDIO_DMA_DEV, SDIO_DMA_CHANNEL, &SDIO->FIFO, DMA_SIZE_32BITS, data, DMA_SIZE_32BITS, DMA_MINC_MODE);
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dma_set_num_transfers(SDIO_DMA_DEV, SDIO_DMA_CHANNEL, 128);
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dma_clear_isr_bits(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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dma_enable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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sdio_setup_transfer(SDIO_DATA_TIMEOUT * (F_CPU / 1000U), 512, SDIO_BLOCKSIZE_512 | SDIO_DCTRL_DMAEN | SDIO_DCTRL_DTEN | SDIO_DIR_RX);
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if (!SDIO_CmdReadSingleBlock(blockAddress)) {
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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return false;
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}
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while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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if (SDIO_GET_FLAG(SDIO_STA_TRX_ERROR_FLAGS)) {
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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return false;
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}
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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return true;
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}
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bool SDIO_WriteBlock(uint32_t blockAddress, const uint8_t *data) {
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if (SDIO_GetCardState() != SDIO_CARD_TRANSFER) return false;
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if (blockAddress >= SdCard.LogBlockNbr) return false;
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if ((0x03 & (uint32_t)data)) return false; // misaligned data
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if (SdCard.CardType != CARD_SDHC_SDXC) { blockAddress *= 512U; }
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dma_setup_transfer(SDIO_DMA_DEV, SDIO_DMA_CHANNEL, &SDIO->FIFO, DMA_SIZE_32BITS, (volatile void *) data, DMA_SIZE_32BITS, DMA_MINC_MODE | DMA_FROM_MEM);
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dma_set_num_transfers(SDIO_DMA_DEV, SDIO_DMA_CHANNEL, 128);
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dma_clear_isr_bits(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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dma_enable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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if (!SDIO_CmdWriteSingleBlock(blockAddress)) {
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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return false;
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}
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sdio_setup_transfer(SDIO_DATA_TIMEOUT * (F_CPU / 1000U), 512U, SDIO_BLOCKSIZE_512 | SDIO_DCTRL_DMAEN | SDIO_DCTRL_DTEN);
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while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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if (SDIO_GET_FLAG(SDIO_STA_TRX_ERROR_FLAGS)) {
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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return false;
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}
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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uint32 timeout = millis() + SDIO_WRITE_TIMEOUT;
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while (timeout > millis()) {
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if (SDIO_GetCardState() == SDIO_CARD_TRANSFER) {
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return true;
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}
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}
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return false;
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}
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inline uint32_t SDIO_GetCardState(void) { return SDIO_CmdSendStatus(SdCard.RelCardAdd << 16U) ? (SDIO_GetResponse(SDIO_RESP1) >> 9U) & 0x0FU : SDIO_CARD_ERROR; }
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// --------------------------------------------------------------------------
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// SD Commands and Responses
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// --------------------------------------------------------------------------
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void SDIO_SendCommand(uint16_t command, uint32_t argument) { SDIO->ARG = argument; SDIO->CMD = (uint32_t)(SDIO_CMD_CPSMEN | command); }
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uint8_t SDIO_GetCommandResponse(void) { return (uint8_t)(SDIO->RESPCMD); }
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uint32_t SDIO_GetResponse(uint32_t response) { return SDIO->RESP[response]; }
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bool SDIO_CmdGoIdleState(void) { SDIO_SendCommand(CMD0_GO_IDLE_STATE, 0); return SDIO_GetCmdError(); }
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bool SDIO_CmdSendCID(void) { SDIO_SendCommand(CMD2_ALL_SEND_CID, 0); return SDIO_GetCmdResp2(); }
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bool SDIO_CmdSetRelAdd(uint32_t *rca) { SDIO_SendCommand(CMD3_SET_REL_ADDR, 0); return SDIO_GetCmdResp6(SDMMC_CMD_SET_REL_ADDR, rca); }
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bool SDIO_CmdSelDesel(uint32_t address) { SDIO_SendCommand(CMD7_SEL_DESEL_CARD, address); return SDIO_GetCmdResp1(SDMMC_CMD_SEL_DESEL_CARD); }
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bool SDIO_CmdOperCond(void) { SDIO_SendCommand(CMD8_HS_SEND_EXT_CSD, SDMMC_CHECK_PATTERN); return SDIO_GetCmdResp7(); }
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bool SDIO_CmdSendCSD(uint32_t argument) { SDIO_SendCommand(CMD9_SEND_CSD, argument); return SDIO_GetCmdResp2(); }
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bool SDIO_CmdSendStatus(uint32_t argument) { SDIO_SendCommand(CMD13_SEND_STATUS, argument); return SDIO_GetCmdResp1(SDMMC_CMD_SEND_STATUS); }
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bool SDIO_CmdReadSingleBlock(uint32_t address) { SDIO_SendCommand(CMD17_READ_SINGLE_BLOCK, address); return SDIO_GetCmdResp1(SDMMC_CMD_READ_SINGLE_BLOCK); }
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bool SDIO_CmdWriteSingleBlock(uint32_t address) { SDIO_SendCommand(CMD24_WRITE_SINGLE_BLOCK, address); return SDIO_GetCmdResp1(SDMMC_CMD_WRITE_SINGLE_BLOCK); }
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bool SDIO_CmdAppCommand(uint32_t rsa) { SDIO_SendCommand(CMD55_APP_CMD, rsa); return SDIO_GetCmdResp1(SDMMC_CMD_APP_CMD); }
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bool SDIO_CmdAppSetBusWidth(uint32_t rsa, uint32_t argument) {
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if (!SDIO_CmdAppCommand(rsa)) return false;
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SDIO_SendCommand(ACMD6_APP_SD_SET_BUSWIDTH, argument);
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return SDIO_GetCmdResp2();
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}
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bool SDIO_CmdAppOperCommand(uint32_t sdType) {
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if (!SDIO_CmdAppCommand(0)) return false;
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SDIO_SendCommand(ACMD41_SD_APP_OP_COND , SDMMC_VOLTAGE_WINDOW_SD | sdType);
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return SDIO_GetCmdResp3();
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}
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bool SDIO_CmdAppSetClearCardDetect(uint32_t rsa) {
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if (!SDIO_CmdAppCommand(rsa)) return false;
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SDIO_SendCommand(ACMD42_SD_APP_SET_CLR_CARD_DETECT, 0);
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return SDIO_GetCmdResp2();
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}
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// Wait until given flags are unset or till timeout
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#define SDIO_WAIT(FLAGS) do{ \
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uint32_t count = 1 + (SDIO_CMDTIMEOUT) * ((F_CPU) / 8U / 1000U); \
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do { if (!--count) return false; } while (!SDIO_GET_FLAG(FLAGS)); \
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}while(0)
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bool SDIO_GetCmdError(void) {
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SDIO_WAIT(SDIO_STA_CMDSENT);
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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return true;
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}
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bool SDIO_GetCmdResp1(uint8_t command) {
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SDIO_WAIT(SDIO_STA_CCRCFAIL | SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT);
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if (SDIO_GET_FLAG(SDIO_STA_CCRCFAIL | SDIO_STA_CTIMEOUT)) {
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SDIO_CLEAR_FLAG(SDIO_STA_CCRCFAIL | SDIO_STA_CTIMEOUT);
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return false;
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}
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if (SDIO_GetCommandResponse() != command) return false;
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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return (SDIO_GetResponse(SDIO_RESP1) & SDMMC_OCR_ERRORBITS) == SDMMC_ALLZERO;
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}
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bool SDIO_GetCmdResp2(void) {
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SDIO_WAIT(SDIO_STA_CCRCFAIL | SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT);
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if (SDIO_GET_FLAG(SDIO_STA_CCRCFAIL | SDIO_STA_CTIMEOUT)) {
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SDIO_CLEAR_FLAG(SDIO_STA_CCRCFAIL | SDIO_STA_CTIMEOUT);
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return false;
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}
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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return true;
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}
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bool SDIO_GetCmdResp3(void) {
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SDIO_WAIT(SDIO_STA_CCRCFAIL | SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT);
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if (SDIO_GET_FLAG(SDIO_STA_CTIMEOUT)) {
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SDIO_CLEAR_FLAG(SDIO_STA_CTIMEOUT);
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return false;
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}
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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return true;
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}
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bool SDIO_GetCmdResp6(uint8_t command, uint32_t *rca) {
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SDIO_WAIT(SDIO_STA_CCRCFAIL | SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT);
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if (SDIO_GET_FLAG(SDIO_STA_CCRCFAIL | SDIO_STA_CTIMEOUT)) {
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SDIO_CLEAR_FLAG(SDIO_STA_CCRCFAIL | SDIO_STA_CTIMEOUT);
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return false;
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}
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if (SDIO_GetCommandResponse() != command) return false;
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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if (SDIO_GetResponse(SDIO_RESP1) & (SDMMC_R6_GENERAL_UNKNOWN_ERROR | SDMMC_R6_ILLEGAL_CMD | SDMMC_R6_COM_CRC_FAILED)) return false;
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*rca = SDIO_GetResponse(SDIO_RESP1) >> 16;
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return true;
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}
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bool SDIO_GetCmdResp7(void) {
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SDIO_WAIT(SDIO_STA_CCRCFAIL | SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT);
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if (SDIO_GET_FLAG(SDIO_STA_CTIMEOUT)) {
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SDIO_CLEAR_FLAG(SDIO_STA_CTIMEOUT);
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return false;
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}
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if (SDIO_GET_FLAG(SDIO_STA_CMDREND)) { SDIO_CLEAR_FLAG(SDIO_STA_CMDREND); }
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return true;
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}
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#endif // __STM32F1__
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