/** *! * \file b_drv_sd.c * \version v0.0.1 * \date 2020/06/01 * \author Bean(notrynohigh@outlook.com) ******************************************************************************* * @attention * * Copyright (c) 2020 Bean * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. ******************************************************************************* */ /*Includes ----------------------------------------------*/ #include "drivers/inc/b_drv_sd.h" #include "utils/inc/b_util_log.h" /** * \addtogroup B_DRIVER * \{ */ /** * \addtogroup SD * \{ */ /** * \defgroup SD_Private_TypesDefinitions * \{ */ /** * \} */ /** * \defgroup SD_Private_Macros * \{ */ /** * \} */ /** * \defgroup SD_Private_Defines * \{ */ #define DRIVER_NAME SD /** * \} */ /** * \defgroup SD_Private_Variables * \{ */ bDRIVER_HALIF_TABLE(bSD_HalIf_t, DRIVER_NAME); /** * \} */ /** * \defgroup SD_Private_FunctionPrototypes * \{ */ /** * \} */ /** * \defgroup SD_Private_Functions * \{ */ /*****************************driver interface***************************/ static int _bSD_WaitReady(bDriverInterface_t *pdrv) { uint32_t tick = bHalGetSysTick(); uint8_t tmp = 0; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); for (;;) { tmp = bHalSpiTransfer(&_if->_if._spi, 0xff); if (tmp == 0xff) { return 0; } if (TICK_DIFF_BIT32(tick, bHalGetSysTick()) > 500) { break; } } return -1; } static void _bSD_SendDump(bDriverInterface_t *pdrv, uint8_t n) { uint8_t tmp = 0xff; uint8_t i = 0; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); for (i = 0; i < n; i++) { bHalSpiSend(&_if->_if._spi, &tmp, 1); } } static int _bSD_PowerON(bDriverInterface_t *pdrv) { uint8_t tmp = 0xff; uint8_t cmd[6] = {CMD0, 0, 0, 0, 0, 0X95}; uint32_t cnt; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); bHalDelayMs(100); bHalSpiSetSpeed(&_if->_if._spi, B_HAL_SPI_SLOW); bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 10); bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); bHalSpiSend(&_if->_if._spi, cmd, 6); cnt = 0; for (;;) { tmp = bHalSpiTransfer(&_if->_if._spi, 0xff); if (tmp == 0x1 || cnt >= 0x1fff) { break; } cnt++; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); if (cnt >= 0x1fff) { return -1; } return 0; } static int _bSD_SendCmd(bDriverInterface_t *pdrv, uint8_t cmd, uint32_t param, uint8_t crc) { uint8_t cmd_table[6]; uint8_t tmp, cnt; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_bSD_WaitReady(pdrv) < 0) { return -1; } cmd_table[0] = cmd; cmd_table[1] = (uint8_t)((param >> 24) & 0xff); cmd_table[2] = (uint8_t)((param >> 16) & 0xff); cmd_table[3] = (uint8_t)((param >> 8) & 0xff); cmd_table[4] = (uint8_t)((param >> 0) & 0xff); cmd_table[5] = crc; bHalSpiSend(&_if->_if._spi, cmd_table, 6); cnt = 0; for (;;) { tmp = bHalSpiTransfer(&_if->_if._spi, 0xff); if (tmp != 0xff || cnt > 200) { break; } cnt++; } if (cnt > 200) { b_log_e("cmd%d err..\r\n", cmd); return -1; } return tmp; } static int _bSD_Init(bDriverInterface_t *pdrv) { int retval = -1; uint32_t cnt = 0; uint8_t ocr[4]; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_if->is_spi == 0) { return 0; } if (_bSD_PowerON(pdrv) < 0) { b_log_e("power on err\r\n"); return -1; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); retval = _bSD_SendCmd(pdrv, CMD0, 0, 0x95); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } if (retval == 1) { retval = _bSD_SendCmd(pdrv, CMD8, 0x1AA, 0x87); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } } else { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } if (retval == 0x5) { pdrv->_private.v = CT_SD1; bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); cnt = 0; bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); do { retval = _bSD_SendCmd(pdrv, CMD55, 0, 0); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } retval = _bSD_SendCmd(pdrv, CMD41, 0, 0); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } cnt++; } while ((retval != 0) && (cnt < 400)); if (cnt >= 400) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } bHalSpiSetSpeed(&_if->_if._spi, B_HAL_SPI_FAST); _bSD_SendDump(pdrv, 1); retval = _bSD_SendCmd(pdrv, CMD59, 0, 0x95); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } retval = _bSD_SendCmd(pdrv, CMD16, 512, 0x95); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } } else if (retval == 0x1) { ocr[0] = bHalSpiTransfer(&_if->_if._spi, 0xff); ocr[1] = bHalSpiTransfer(&_if->_if._spi, 0xff); ocr[2] = bHalSpiTransfer(&_if->_if._spi, 0xff); ocr[3] = bHalSpiTransfer(&_if->_if._spi, 0xff); bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); cnt = 0; bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); do { retval = _bSD_SendCmd(pdrv, CMD55, 0, 0); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } retval = _bSD_SendCmd(pdrv, CMD41, 0x40000000, 0); if (retval < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } cnt++; } while ((retval != 0) && (cnt < 400)); if (cnt >= 400) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } retval = _bSD_SendCmd(pdrv, CMD58, 0, 0); if (retval != 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } ocr[0] = bHalSpiTransfer(&_if->_if._spi, 0xff); ocr[1] = bHalSpiTransfer(&_if->_if._spi, 0xff); ocr[2] = bHalSpiTransfer(&_if->_if._spi, 0xff); ocr[3] = bHalSpiTransfer(&_if->_if._spi, 0xff); if (ocr[0] & 0x40) { pdrv->_private.v = CT_SDHC; } else { pdrv->_private.v = CT_SD2; } } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); bHalSpiSetSpeed(&_if->_if._spi, B_HAL_SPI_FAST); b_log("sd type:%d\r\n", pdrv->_private.v); return 0; } static int _bSD_WaitResponse(bDriverInterface_t *pdrv, uint8_t exp) { uint16_t cnt = 0; uint8_t tmp; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); do { tmp = bHalSpiTransfer(&_if->_if._spi, 0xff); cnt++; } while (tmp != exp && cnt <= 0xfff); if (tmp == exp) { return 0; } return -1; } static int _bSD_ReceiveData(bDriverInterface_t *pdrv, uint8_t *buff, uint16_t len) { bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_bSD_WaitResponse(pdrv, 0xfe) < 0) { return -1; } while (len--) { *buff = bHalSpiTransfer(&_if->_if._spi, 0xff); buff++; } bHalSpiTransfer(&_if->_if._spi, 0xff); bHalSpiTransfer(&_if->_if._spi, 0xff); return len; } static int _bSD_ReadSingleBlock(bDriverInterface_t *pdrv, uint32_t sector, uint8_t *pbuf) { int retval = 0; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_if->is_spi) { if (pdrv->_private.v != CT_SDHC) { sector = sector << 9; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); retval = _bSD_SendCmd(pdrv, CMD17, sector, 0); if (retval != 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); if (_bSD_ReceiveData(pdrv, pbuf, 512) < 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); } return 512; } static int _bSD_WriteSingleBlock(bDriverInterface_t *pdrv, uint32_t sector, uint8_t *pbuf) { int retval = 0; uint16_t cnt; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_if->is_spi) { if (pdrv->_private.v != CT_SDHC) { sector = sector << 9; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); retval = _bSD_SendCmd(pdrv, CMD24, sector, 0); if (retval != 0) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 0); _bSD_SendDump(pdrv, 3); bHalSpiTransfer(&_if->_if._spi, 0xfe); bHalSpiSend(&_if->_if._spi, pbuf, 512); _bSD_SendDump(pdrv, 2); retval = bHalSpiTransfer(&_if->_if._spi, 0xff); if ((retval & 0x1f) != 0x05) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } cnt = 0; while (!bHalSpiTransfer(&_if->_if._spi, 0xff)) { cnt++; if (cnt >= 0xfffe) { bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); return -1; } } bHalGpioWritePin(_if->_if._spi.cs.port, _if->_if._spi.cs.pin, 1); _bSD_SendDump(pdrv, 1); } return 0; } static int _bSD_Write(bDriverInterface_t *pdrv, uint32_t addr, uint8_t *pbuf, uint32_t len) { int i = 0; int retval = -1; uint32_t sector = addr / 512; uint32_t count = len / 512; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_if->is_spi) { for (i = 0; i < count; i++) { retval = _bSD_WriteSingleBlock(pdrv, sector + i, pbuf + i * 512); if (retval < 0) { break; } } } else { retval = bHalSDIOWriteBlocks(_if->_if._sdio, pbuf, sector, count); } if (retval < 0) { return -1; } return (count * 512); } static int _bSD_Read(bDriverInterface_t *pdrv, uint32_t addr, uint8_t *pbuf, uint32_t len) { int i = 0; int retval = -1; uint32_t sector = addr / 512; uint32_t count = len / 512; bDRIVER_GET_HALIF(_if, bSD_HalIf_t, pdrv); if (_if->is_spi) { for (i = 0; i < count; i++) { retval = _bSD_ReadSingleBlock(pdrv, sector + i, pbuf + i * 512); if (retval < 0) { break; } } } else { retval = bHalSDIOReadBlocks(_if->_if._sdio, pbuf, sector, count); } if (retval < 0) { return -1; } return (count * 512); } /** * \} */ /** * \addtogroup SD_Exported_Functions * \{ */ int bSD_Init(bDriverInterface_t *pdrv) { bDRIVER_STRUCT_INIT(pdrv, DRIVER_NAME, bSD_Init); pdrv->read = _bSD_Read; pdrv->write = _bSD_Write; if (_bSD_Init(pdrv) < 0) { return -1; } return 0; } #ifdef BSECTION_NEED_PRAGMA #pragma section driver_init #endif bDRIVER_REG_INIT(B_DRIVER_SD, bSD_Init); #ifdef BSECTION_NEED_PRAGMA #pragma section #endif /** * \} */ /** * \} */ /** * \} */ /************************ Copyright (c) 2020 Bean *****END OF FILE****/