UC3 MCI driver.
Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
#include <asf.h>#include "conf_board.h"#include "sd_mmc_protocol.h"#include "sysclk.h"#include "mci.h"Macros | |
| #define | AVR32_MCI_MR_FBYTE_MASK AVR32_MCI_MR_PDCFBYTE_MASK |
| #define | AVR32_MCI_DTOR_DTOMUL_1048576_MASK (AVR32_MCI_DTOR_DTOMUL_1048576 << AVR32_MCI_DTOR_DTOMUL_OFFSET) |
| Registers masks definitions. More... | |
| #define | AVR32_MCI_CSTOR_CSTOMUL_1048576_MASK (AVR32_MCI_CSTOR_CSTOMUL_1048576 << AVR32_MCI_CSTOR_CSTOMUL_OFFSET) |
| #define | AVR32_MCI_CSTOR_CSTOCYC_2_MASK ( 2 << AVR32_MCI_CSTOR_CSTOCYC_OFFSET) |
| #define | AVR32_MCI_DTOR_DTOCYC_2_MASK ( 2 << AVR32_MCI_DTOR_DTOCYC_OFFSET) |
| #define | AVR32_MCI_SDCR_SDCBUS_1_BIT_MASK ( AVR32_MCI_SDCR_SDCBUS_1_BIT << AVR32_MCI_SDCR_SDCBUS_OFFSET) |
| #define | AVR32_MCI_SDCR_SDCBUS_4_BIT_MASK ( AVR32_MCI_SDCR_SDCBUS_4_BIT << AVR32_MCI_SDCR_SDCBUS_OFFSET) |
| #define | AVR32_MCI_SDCR_SDCBUS_8_BIT_MASK ( AVR32_MCI_SDCR_SDCBUS_8_BIT << AVR32_MCI_SDCR_SDCBUS_OFFSET) |
| #define | AVR32_MCI_SDCR_SDCSEL_0_MASK ( 0 << AVR32_MCI_SDCR_SDCSEL_OFFSET) |
| #define | AVR32_MCI_SDCR_SDCSEL_1_MASK ( 1 << AVR32_MCI_SDCR_SDCSEL_OFFSET) |
| #define | AVR32_MCI_CMDR_TRCMD_START_TRANS_MASK ( AVR32_MCI_CMDR_TRCMD_START_TRANS << AVR32_MCI_CMDR_TRCMD_OFFSET) |
| #define | AVR32_MCI_CMDR_TRDIR_READ_MASK ( AVR32_MCI_CMDR_TRDIR_READ << AVR32_MCI_CMDR_TRDIR_OFFSET) |
| #define | AVR32_MCI_CMDR_TRTYP_SDIO_BYTE_MASK ( AVR32_MCI_CMDR_TRTYP_SDIO_BYTE << AVR32_MCI_CMDR_TRTYP_OFFSET) |
| #define | AVR32_MCI_CMDR_TRTYP_SDIO_BLOCK_MASK ( AVR32_MCI_CMDR_TRTYP_SDIO_BLOCK << AVR32_MCI_CMDR_TRTYP_OFFSET) |
| #define | AVR32_MCI_CMDR_TRTYP_STREAM_MASK ( AVR32_MCI_CMDR_TRTYP_STREAM << AVR32_MCI_CMDR_TRTYP_OFFSET) |
| #define | AVR32_MCI_CMDR_TRTYP_BLOCK_MASK ( AVR32_MCI_CMDR_TRTYP_BLOCK << AVR32_MCI_CMDR_TRTYP_OFFSET) |
| #define | AVR32_MCI_CMDR_TRTYP_MULTI_BLOCK_MASK ( AVR32_MCI_CMDR_TRTYP_MULTI_BLOCK << AVR32_MCI_CMDR_TRTYP_OFFSET) |
| #define | SD_MMC_MCI_MEM_CNT 1 |
| #define | SD_MMC_MCI_SLOT_0_SIZE 1 |
| #define | SD_MMC_MCI_SLOT_0_DATA0_PIN 0 |
| #define | SD_MMC_MCI_SLOT_0_DATA3_PIN 0 |
| #define | mci_debug(...) |
| #define | CONF_MCI_DMACA_CHANNEL 1 |
| static uint32_t | mci_transfert_pos |
| static uint16_t | mci_block_size |
| static uint16_t | mci_nb_block |
| static void | mci_reset (void) |
| Reset the MCI interface. More... | |
| static void | mci_set_speed (uint32_t speed, uint32_t pbb_hz) |
| Set speed of the MCI clock. More... | |
| static bool | mci_wait_busy (void) |
| Wait the end of busy signal on data line. More... | |
| static bool | mci_wait_busy_on_line (void) |
| Wait the end of busy signal on data line through GPIO. More... | |
| static bool | mci_send_cmd_execute (uint32_t cmdr, sdmmc_cmd_def_t cmd, uint32_t arg) |
| Send a command. More... | |
| void | mci_init (void) |
| Initialize the low level driver. More... | |
| uint8_t | mci_get_bus_width (uint8_t slot) |
| Return the maximum bus width of a slot. More... | |
| bool | mci_is_high_speed_capable (void) |
| Return the high speed capability of the driver. More... | |
| void | mci_select_device (uint8_t slot, uint32_t clock, uint8_t bus_width, bool high_speed) |
| Select a slot and initialize it. More... | |
| void | mci_deselect_device (uint8_t slot) |
| Deselect a slot. More... | |
| void | mci_send_clock (void) |
| Send 74 clock cycles on the line of selected slot Note: It is required after card plug and before card install. More... | |
| bool | mci_send_cmd (sdmmc_cmd_def_t cmd, uint32_t arg) |
| Send a command on the selected slot. More... | |
| uint32_t | mci_get_response (void) |
| Return the 32 bits response of the last command. More... | |
| void | mci_get_response_128 (uint8_t *response) |
| Return the 128-bits response of the last command. More... | |
| bool | mci_adtc_start (sdmmc_cmd_def_t cmd, uint32_t arg, uint16_t block_size, uint16_t nb_block, bool access_block) |
| Send an ADTC command on the selected slot An ADTC (Addressed Data Transfer Commands) command is used for read/write access. More... | |
| bool | mci_adtc_stop (sdmmc_cmd_def_t cmd, uint32_t arg) |
| Send a command to stop an ADTC command on the selected slot. More... | |
| bool | mci_read_word (uint32_t *value) |
| Read a word on the line. More... | |
| bool | mci_write_word (uint32_t value) |
| Write a word on the line. More... | |
| bool | mci_start_read_blocks (void *dest, uint16_t nb_block) |
| Start a read blocks transfer on the line Note: The driver will use the DMA available to speed up the transfer. More... | |
| bool | mci_wait_end_of_read_blocks (void) |
| Wait the end of transfer started by mci_start_read_blocks() More... | |
| bool | mci_start_write_blocks (const void *src, uint16_t nb_block) |
| Start a write blocks transfer on the line Note: The driver will use the DMA available to speed up the transfer. More... | |
| bool | mci_wait_end_of_write_blocks (void) |
| Wait the end of transfer started by mci_start_write_blocks() More... | |
1.8.5