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SourceVuSTM32 Libraries and SamplesAdafruit_ShieldSD_SendCmd()

SD_SendCmd() function

Sends 5 bytes command to the SD card and get response

Syntax

Show:

Summary

Declaration

Definition

from stm32_adafruit_sd.c:246

static SD_CmdAnswer_typedef SD_SendCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Answer);

Implemented in stm32_adafruit_sd.c:763

Arguments

Argument

Description

Cmd

The user expected command to send to SD card.

Arg

The command argument.

Crc

The CRC.

Answer

SD_ANSWER_NOT_EXPECTED or SD_ANSWER_EXPECTED

Return value

SD status

References

Code

Location

Referrer

SD_CmdAnswer_typedef SD_SendCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Answer)

stm32_adafruit_sd.c:763

static SD_CmdAnswer_typedef SD_SendCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Answer);

stm32_adafruit_sd.c:246

response = SD_SendCmd(SD_CMD_SET_BLOCKLEN, BlockSize, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:335

BSP_SD_ReadBlocks()

response = SD_SendCmd(SD_CMD_READ_SINGLE_BLOCK, addr, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:358

BSP_SD_ReadBlocks()

response = SD_SendCmd(SD_CMD_SET_BLOCKLEN, BlockSize, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:420

BSP_SD_WriteBlocks()

response = SD_SendCmd(SD_CMD_WRITE_SINGLE_BLOCK, addr, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:442

BSP_SD_WriteBlocks()

response = SD_SendCmd(SD_CMD_SD_ERASE_GRP_START, (StartAddr) * (flag_SDHC == 1 ? 1 : BlockSize), 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:501

response = SD_SendCmd(SD_CMD_SD_ERASE_GRP_END, (EndAddr*512) * (flag_SDHC == 1 ? 1 : BlockSize), 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:506

response = SD_SendCmd(SD_CMD_ERASE, 0, 0xFF, SD_ANSWER_R1B_EXPECTED);

stm32_adafruit_sd.c:512

retr = SD_SendCmd(SD_CMD_SEND_STATUS, 0, 0xFF, SD_ANSWER_R2_EXPECTED);

stm32_adafruit_sd.c:536

BSP_SD_GetCardState()

response = SD_SendCmd(SD_CMD_SEND_CSD, 0, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:564

SD_GetCSDRegister()

response = SD_SendCmd(SD_CMD_SEND_CID, 0, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:678

SD_GetCIDRegister()

response = SD_SendCmd(SD_CMD_GO_IDLE_STATE, 0, 0x95, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:878

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_SEND_IF_COND, 0x1AA, 0x87, SD_ANSWER_R7_EXPECTED);

stm32_adafruit_sd.c:891

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_APP_CMD, 0x00000000, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:901

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_SD_APP_OP_COND, 0x00000000, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:906

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_APP_CMD, 0, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:919

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_SD_APP_OP_COND, 0x40000000, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:924

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_APP_CMD, 0, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:934

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_SD_APP_OP_COND, 0x00000000, 0xFF, SD_ANSWER_R1_EXPECTED);

stm32_adafruit_sd.c:942

SD_GoIdleState()

response = SD_SendCmd(SD_CMD_READ_OCR, 0x00000000, 0xFF, SD_ANSWER_R3_EXPECTED);

stm32_adafruit_sd.c:950

SD_GoIdleState()

Call Tree

SD_SendCmd() is called by 7 functions and calls 5 functions:

BSP_SD_ReadBlocks()

BSP_SD_WriteBlocks()

BSP_SD_GetCardState()

SD_GetCSDRegister()

SD_GetCIDRegister()

SD_GoIdleState()

SD_SendCmd()

SD_IO_CSState()

SD_IO_WriteReadData()

SD_IO_WriteByte()

Data Use

SD_SendCmd() reads 5 variables and writes 5 variables:

SD_Answer_type::SD_ANSWER_R1_EXPECTED

SD_Answer_type::SD_ANSWER_R1B_EXPECTED

SD_Answer_type::SD_ANSWER_R2_EXPECTED

SD_Answer_type::SD_ANSWER_R3_EXPECTED

SD_Answer_type::SD_ANSWER_R7_EXPECTED

SD_SendCmd()

SD_CmdAnswer_typedef::r1

SD_CmdAnswer_typedef::r2

SD_CmdAnswer_typedef::r3

SD_CmdAnswer_typedef::r4

SD_CmdAnswer_typedef::r5

Class Tree

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Override Tree

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Implementations

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Instances

Lifecycle

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