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adding msc Start Stop to buitin command, but not complate yet

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add tud_msc_start_stop_cb() as optional callback
This commit is contained in:
hathach 2019-05-06 16:48:50 +07:00
parent efefbd3a4e
commit 6e4dc2f23d
6 changed files with 81 additions and 17 deletions
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32
examples/device/cdc_msc_hid/src/msc_disk.c
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@ -152,6 +152,26 @@ void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_siz
*block_size = DISK_BLOCK_SIZE;
}
// Invoked when received Start Stop Unit command
// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
// - Start = 1 : active mode, if load_eject = 1 : load disk storage
void tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
{
(void) lun;
(void) power_condition;
if ( load_eject )
{
if (start)
{
// load disk storage
}else
{
// unload disk storage
}
}
}
// 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)
@ -200,18 +220,6 @@ int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer,
resplen = 0;
break;
case SCSI_CMD_START_STOP_UNIT:
// Host try to eject/safe remove/poweroff us. We could safely disconnect with disk storage, or go into lower power
/* scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd;
// Start bit = 0 : low power mode, if load_eject = 1 : unmount disk storage as well
// Start bit = 1 : Ready mode, if load_eject = 1 : mount disk storage
start_stop->start;
start_stop->load_eject;
*/
resplen = 0;
break;
default:
// Set Sense = Invalid Command Operation
tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);

20
examples/device/cdc_msc_hid_freertos/src/msc_disk.c
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@ -152,6 +152,26 @@ void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_siz
*block_size = DISK_BLOCK_SIZE;
}
// Invoked when received Start Stop Unit command
// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
// - Start = 1 : active mode, if load_eject = 1 : load disk storage
void tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
{
(void) lun;
(void) power_condition;
if ( load_eject )
{
if (start)
{
// load disk storage
}else
{
// unload disk storage
}
}
}
// 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)

25
examples/device/msc_dual_lun/src/msc_disk_dual.c
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@ -234,15 +234,36 @@ bool tud_msc_test_unit_ready_cb(uint8_t lun)
return true; // RAM disk is always ready
}
// Callback invoked to determine disk's size
// 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; // both LUNs have same size
(void) lun;
*block_count = DISK_BLOCK_NUM;
*block_size = DISK_BLOCK_SIZE;
}
// Invoked when received Start Stop Unit command
// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
// - Start = 1 : active mode, if load_eject = 1 : load disk storage
void tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
{
(void) lun;
(void) power_condition;
if ( load_eject )
{
if (start)
{
// load disk storage
}else
{
// unload disk storage
}
}
}
// 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)

14
src/class/msc/msc_device.c
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@ -202,8 +202,18 @@ int32_t proc_builtin_scsi(uint8_t lun, uint8_t const scsi_cmd[16], uint8_t* buff
// not ready response with Failed status and sense key = not ready
resplen = - 1;
// Logical Unit Not Ready, Cause Not Reportable
tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00);
// If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable
if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00);
}
break;
case SCSI_CMD_START_STOP_UNIT:
resplen = 0;
if (tud_msc_start_stop_cb)
{
scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd;
tud_msc_start_stop_cb(lun, start_stop->power_condition, start_stop->start, start_stop->load_eject);
}
break;

5
src/class/msc/msc_device.h
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@ -128,6 +128,11 @@ int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer,
// Invoked when received GET_MAX_LUN request, required for multiple LUNs implementation
ATTR_WEAK uint8_t tud_msc_get_maxlun_cb(void);
// Invoked when received Start Stop Unit command
// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
// - Start = 1 : active mode, if load_eject = 1 : load disk storage
ATTR_WEAK void tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject);
// Invoked when Read10 command is complete
ATTR_WEAK void tud_msc_read10_complete_cb(uint8_t lun);

2
tools/build_all.py
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@ -46,7 +46,7 @@ for example in all_device_example:
# FreeRTOS example
#example = 'cdc_msc_hid_freertos'
#board = 'pca10056'
#subprocess.run("make -j2 -C examples/device/{} BOARD={} clean all".format(example, board), shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
#build_example(example, board)
total_time = time.monotonic() - total_time