RSP_R1; cmd.cmd_timeout_ms = timeout_ms; cmd._timeout = ignore_timeout; /* 调用mmcwait_for_cmd发送命令请求并且等待命令完成。 */ err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES); if (err) returnerr; /* No need to check card status in case of unblocking ...
这里设置为card的RCA地址 cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; // 设置请求的一些标识,包括命令类型,response类型等等 /* 调用mmc_wait_for_cmd发送命令请求并且等待命令处理完成。 */ err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES); if (err) returnerr; /...
int err; struct mmc_command cmd = {0}; BUG_ON(!card); BUG_ON(!card->host); cmd.opcode = MMC_SEND_STATUS; if (!mmc_host_is_spi(card->host)) cmd.arg = card->rca << 16; cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &...
RSP_NONE (0) #define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY) #define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) #define MMC_RSP_R3 (MMC_RSP_PRESENT) #define MMC_RSP_...
cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R3 | MMC_CMD_BCR; //发送命令并等待命令结束 mmc_wait_for_cmd(host, &cmd, 0) //mmc/core/core.c //第2个参数名:cmd struct mmc_request mrq = {NULL}; mrq.cmd = cmd; cmd->data = NULL; ...
cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES); if (err == MMC_ERR_NONE) continue; mmc_card_set_dead(card);}} 执行完s3cmci_probe后,在终端会有以下信息:s3c2410-sdi s3c2410-sdi: powered down.s3c2410-sdi s3c2410-sdi: initialisation done.s3c24...
} else if (cmd->resp_type == MMC_RSP_R2) { r1 = mmc_spi_readdata(mmc, cmd->response, 1, 16);switch (cmd->cmdidx) { case SD_CMD_APP_SEND_OP_COND: case MMC_CMD_SEND_OP_COND: cmd->response[0] = (resp8 & R1_SPI_IDLE) ? 0 : OCR_BUSY; ...
.resp_type = MMC_RSP_R1, }; struct mmc_data data = { .dest = (void *)frm, .blocks = cnt, .blocksize = sizeof(*frm), .flags = MMC_DATA_READ, }; return mmc_send_cmd(mmc, &cmd, &data); } static int rpmb_route_write_req(struct mmc *mmc, struct s_rpmb *req, unsigned ...
mmc_host_is_spi(card->host)) cmd.arg = card->rca << 16; // 设置命令的对应参数,这里设置为card的RCA地址 cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; // 设置请求的一些标识,包括命令类型,response类型等等 /* 调用mmc_wait_for_cmd发送命令请求并且等待命令处理完成。 */ ...
idata.flags = MMC_RSP_R1 | MMC_CMD_AC | MMC_RSP_SPI_S1; ret = ioctl(fd, MMC_IOC_CMD, &idata); if (ret) perror("ioctl"); *response = idata.response[0]; return ret; } why mmc-utils failing and how to read card CID through ioctl. I do not want to usecat /sys/block/mmc...