SAM HSMCI driver. More...
#include <asf.h>#include "conf_board.h"#include "sd_mmc_protocol.h"#include "sysclk.h"#include "pmc.h"#include "hsmci.h"
Include dependency graph for hsmci.c:
Go to the source code of this file.
Macros | |
| #define | hsmci_debug(...) |
| #define | SD_MMC_HSMCI_MEM_CNT 1 |
| #define | SD_MMC_HSMCI_SLOT_0_SIZE 1 |
Functions | |
| bool | hsmci_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 | hsmci_adtc_stop (sdmmc_cmd_def_t cmd, uint32_t arg) |
| Send a command to stop an ADTC command on the selected slot. More... | |
| void | hsmci_deselect_device (uint8_t slot) |
| Deselect a slot. More... | |
| uint8_t | hsmci_get_bus_width (uint8_t slot) |
| Return the maximum bus width of a slot. More... | |
| uint32_t | hsmci_get_response (void) |
| Return the 32 bits response of the last command. More... | |
| void | hsmci_get_response_128 (uint8_t *response) |
| Return the 128 bits response of the last command. More... | |
| void | hsmci_init (void) |
| Initializes the low level driver. More... | |
| bool | hsmci_is_high_speed_capable (void) |
| Return the high speed capability of the driver. More... | |
| bool | hsmci_read_word (uint32_t *value) |
| Read a word on the line. More... | |
| static void | hsmci_reset (void) |
| Reset the HSMCI interface. More... | |
| void | hsmci_select_device (uint8_t slot, uint32_t clock, uint8_t bus_width, bool high_speed) |
| Select a slot and initialize it. More... | |
| void | hsmci_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 | hsmci_send_cmd (sdmmc_cmd_def_t cmd, uint32_t arg) |
| Send a command on the selected slot. More... | |
| static bool | hsmci_send_cmd_execute (uint32_t cmdr, sdmmc_cmd_def_t cmd, uint32_t arg) |
| Send a command. More... | |
| static void | hsmci_set_speed (uint32_t speed, uint32_t mck) |
| Set speed of the HSMCI clock. More... | |
| static bool | hsmci_wait_busy (void) |
| Wait the end of busy signal on data line. More... | |
| bool | hsmci_write_word (uint32_t value) |
| Write a word on the line. More... | |
Variables | |
| static uint16_t | hsmci_block_size |
| Size block requested by last hsmci_adtc_start() More... | |
| static uint16_t | hsmci_nb_block |
| Total number of block requested by last hsmci_adtc_start() More... | |
| static uint32_t | hsmci_transfert_pos |
| Current position (byte) of the transfer started by hsmci_adtc_start() More... | |
Detailed Description
SAM HSMCI driver.
Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
Definition in file hsmci.c.