sdmmc_command_t struct

SD/MMC command information

Syntax

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Summary

Declaration

typedef struct { uint32_t opcode; uint32_t arg; sdmmc_response_t response; void* data; size_t datalen; size_t buflen; size_t blklen; int flags; #define SCF_ITSDONE 0x0001 #define SCF_CMD(flags) ((flags) & 0x00f0) #define SCF_CMD_AC 0x0000 #define SCF_CMD_ADTC 0x0010 #define SCF_CMD_BC 0x0020 #define SCF_CMD_BCR 0x0030 #define SCF_CMD_READ 0x0040 #define SCF_RSP_BSY 0x0100 #define SCF_RSP_136 0x0200 #define SCF_RSP_CRC 0x0400 #define SCF_RSP_IDX 0x0800 #define SCF_RSP_PRESENT 0x1000 #define SCF_RSP_R0 0 #define SCF_RSP_R1 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX) #define SCF_RSP_R1B (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX|SCF_RSP_BSY) #define SCF_RSP_R2 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_136) #define SCF_RSP_R3 (SCF_RSP_PRESENT) #define SCF_RSP_R4 (SCF_RSP_PRESENT) #define SCF_RSP_R5 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX) #define SCF_RSP_R5B (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX|SCF_RSP_BSY) #define SCF_RSP_R6 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX) #define SCF_RSP_R7 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX) #define SCF_WAIT_BUSY 0x2000 esp_err_t error; uint32_t timeout_ms; esp_err_t (*volt_switch_cb)(void*, int); void* volt_switch_cb_arg; } sdmmc_command_t;