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add Test Unit Ready to builtin command, add tud_msc_test_unit_ready_cb()

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- rename tud_msc_maxlun_cb to tud_msc_get_maxlun_cb
This commit is contained in:
hathach
2019-05-06 15:01:38 +07:00
parent fae9aba68f
commit efefbd3a4e
5 changed files with 133 additions and 115 deletions
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34
examples/device/cdc_msc_hid_freertos/src/msc_disk.c
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@@ -118,16 +118,6 @@ uint8_t msc_disk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
README_CONTENTS
};
// Invoked when received SCSI_CMD_READ_CAPACITY_10 and SCSI_CMD_READ_FORMAT_CAPACITY to determine the disk size
// Application update block count and block size
void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_size)
{
(void) lun;
*block_count = DISK_BLOCK_NUM;
*block_size = DISK_BLOCK_SIZE;
}
// Invoked when received SCSI_CMD_INQUIRY
// Application fill vendor id, product id and revision with string up to 8, 16, 4 characters respectively
void tud_msc_inquiry_cb(uint8_t lun, uint8_t vendor_id[8], uint8_t product_id[16], uint8_t product_rev[4])
@@ -143,6 +133,25 @@ void tud_msc_inquiry_cb(uint8_t lun, uint8_t vendor_id[8], uint8_t product_id[16
memcpy(product_rev, rev, strlen(rev));
}
// Invoked when received Test Unit Ready command.
// return true allowing host to read/write this LUN e.g SD card inserted
bool tud_msc_test_unit_ready_cb(uint8_t lun)
{
(void) lun;
return true; // RAM disk is always ready
}
// Invoked when received SCSI_CMD_READ_CAPACITY_10 and SCSI_CMD_READ_FORMAT_CAPACITY to determine the disk size
// Application update block count and block size
void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_size)
{
(void) lun;
*block_count = DISK_BLOCK_NUM;
*block_size = DISK_BLOCK_SIZE;
}
// Callback invoked when received READ10 command.
// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
@@ -186,11 +195,6 @@ int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer,
switch (scsi_cmd[0])
{
case SCSI_CMD_TEST_UNIT_READY:
// Command that host uses to check our readiness before sending other commands
resplen = 0;
break;
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
// Host is about to read/write etc ... better not to disconnect disk
resplen = 0;