sdio_sam4s.c File Reference

SDIO Interface for SAM4S.

Copyright (c) 2018 Microchip Technology Inc. and its subsidiaries.

#include "common/include/nm_common.h"
#include "bus_wrapper/include/sdio_sam4s.h"
#include "../../memory/sd_mmc/sd_mmc.h"
#include "../../memory/sd_mmc/sd_mmc_protocol.h"
#include "hsmci.h"
#include <board.h>
#include <gpio.h>
#include <ioport.h>
#include "asf.h"

Functions
static void	check_card_exist (void)
static void	main_display_info_card (uint8_t slot)
	Display basic information of the card. More...
int8_t	nmi_sdio_cmd52 (tstrNmSdioCmd52 *cmd)
int8_t	nmi_sdio_cmd53 (tstrNmSdioCmd53 *cmd)
int8_t	sam4s_sdio_init (void)
	Sam4s SDIO Init. More...
static int8_t	wilc_cmd52 (uint8_t rw_flag, uint8_t func_nb, uint32_t reg_addr, uint8_t rd_after_wr, uint8_t *io_data)
static int8_t	wilc_cmd53 (uint8_t rw_flag, uint8_t func_nb, uint32_t reg_addr, uint8_t inc_addr, uint8_t BlkMode, uint32_t Blksize, uint32_t nb_block, bool access_block)
static int8_t	wilc_cmd53_compact (uint8_t rw_flag, uint8_t func_nb, uint32_t reg_addr, uint8_t inc_addr, uint32_t size, bool access_block)

static void check_card_exist ( void  )

static

References delay_ms, sd_mmc_check(), SD_MMC_ERR_NO_CARD, SD_MMC_INIT_ONGOING, and SD_MMC_OK.

Referenced by sam4s_sdio_init(), wilc_cmd52(), wilc_cmd53(), and wilc_cmd53_compact().

static void main_display_info_card ( uint8_t  slot )

static

Display basic information of the card.

Note

This function should be called only after the card has been initialized successfully.

Parameters

slot	SD/MMC slot to test

References CARD_TYPE_HC, CARD_TYPE_MMC, CARD_TYPE_SD, CARD_TYPE_SD_COMBO, CARD_TYPE_SDIO, CARD_TYPE_UNKNOWN, sd_mmc_get_capacity(), and sd_mmc_get_type().

Referenced by sam4s_sdio_init().

int8_t nmi_sdio_cmd52

(

tstrNmSdioCmd52 *

cmd

)

References tstrNmSdioCmd52::address, tstrNmSdioCmd52::data, tstrNmSdioCmd52::function, M2M_SUCCESS, tstrNmSdioCmd52::raw, tstrNmSdioCmd52::read_write, SDIO_CMD52_READ_FLAG, SDIO_CMD52_WRITE_FLAG, and wilc_cmd52().

Referenced by nm_bus_ioctl().

int8_t nmi_sdio_cmd53

(

tstrNmSdioCmd53 *

cmd

)

References tstrNmSdioCmd53::address, tstrNmSdioCmd53::block_mode, tstrNmSdioCmd53::block_size, tstrNmSdioCmd53::buffer, tstrNmSdioCmd53::count, tstrNmSdioCmd53::function, hsmci_start_read_blocks(), hsmci_start_write_blocks(), hsmci_wait_end_of_read_blocks(), hsmci_wait_end_of_write_blocks(), tstrNmSdioCmd53::increment, M2M_SUCCESS, tstrNmSdioCmd53::read_write, SDIO_CMD53_READ_FLAG, SDIO_CMD53_WRITE_FLAG, wilc_cmd53(), and wilc_cmd53_compact().

Referenced by nm_bus_ioctl().

sam4s_sdio_init

(

void

)

Sam4s SDIO Init.

Returns

M2M_SUCCESS in case of success and <0 in case of failure

References check_card_exist(), gpio_configure_pin, M2M_SUCCESS, main_display_info_card(), PIN_HSMCI_MCCDA_FLAGS, PIN_HSMCI_MCCDA_GPIO, PIN_HSMCI_MCCK_FLAGS, PIN_HSMCI_MCCK_GPIO, PIN_HSMCI_MCDA0_FLAGS, PIN_HSMCI_MCDA0_GPIO, PIN_HSMCI_MCDA1_FLAGS, PIN_HSMCI_MCDA1_GPIO, PIN_HSMCI_MCDA2_FLAGS, PIN_HSMCI_MCDA2_GPIO, PIN_HSMCI_MCDA3_FLAGS, PIN_HSMCI_MCDA3_GPIO, SD_MMC_0_CD_FLAGS, SD_MMC_0_CD_GPIO, and sd_mmc_init().

Referenced by nm_bus_init().

static int8_t wilc_cmd52 ( uint8_t  rw_flag, uint8_t  func_nb, uint32_t  reg_addr, uint8_t  rd_after_wr, uint8_t *  io_data  )

static

References check_card_exist(), hsmci_get_response(), hsmci_send_cmd(), M2M_ERR_BUS_FAIL, M2M_SUCCESS, NULL, SDIO_CMD52_FUNCTION_NUM, SDIO_CMD52_IO_RW_DIRECT, SDIO_CMD52_RAW_FLAG, SDIO_CMD52_REG_ADRR, SDIO_CMD52_RW_FLAG, and SDIO_CMD52_WR_DATA.

Referenced by nmi_sdio_cmd52().

static int8_t wilc_cmd53 ( uint8_t  rw_flag, uint8_t  func_nb, uint32_t  reg_addr, uint8_t  inc_addr, uint8_t  BlkMode, uint32_t  Blksize, uint32_t  nb_block, bool  access_block  )

static

References check_card_exist(), hsmci_adtc_start(), M2M_ERR_BUS_FAIL, M2M_SUCCESS, SDIO_CMD53_BLOCK_MODE, SDIO_CMD53_COUNT, SDIO_CMD53_FUNCTION_NUM, SDIO_CMD53_IO_R_BLOCK_EXTENDED, SDIO_CMD53_IO_W_BLOCK_EXTENDED, SDIO_CMD53_OP_CODE, SDIO_CMD53_READ_FLAG, SDIO_CMD53_REG_ADDR, and SDIO_CMD53_RW_FLAG.

Referenced by nmi_sdio_cmd53().

static int8_t wilc_cmd53_compact ( uint8_t  rw_flag, uint8_t  func_nb, uint32_t  reg_addr, uint8_t  inc_addr, uint32_t  size, bool  access_block  )

static

References check_card_exist(), hsmci_adtc_start(), M2M_ERR_BUS_FAIL, M2M_SUCCESS, SDIO_CMD53_BLOCK_MODE, SDIO_CMD53_COUNT, SDIO_CMD53_FUNCTION_NUM, SDIO_CMD53_IO_R_BYTE_EXTENDED, SDIO_CMD53_IO_W_BYTE_EXTENDED, SDIO_CMD53_OP_CODE, SDIO_CMD53_READ_FLAG, SDIO_CMD53_REG_ADDR, and SDIO_CMD53_RW_FLAG.

Referenced by nmi_sdio_cmd53().