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msc host, use usbh_get_enum_buf() for set_config() process

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hathach 2024-11-26 18:02:59 +07:00
parent e9a3f88894
commit f7efcf3c47
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1 changed files with 15 additions and 12 deletions
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27
src/class/msc/msc_host.c
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@ -79,11 +79,6 @@ typedef struct {
static msch_interface_t _msch_itf[CFG_TUH_DEVICE_MAX];
CFG_TUH_MEM_SECTION static msch_epbuf_t _msch_epbuf[CFG_TUH_DEVICE_MAX];
// Epbuf for enumeration, shared for all devices
CFG_TUH_MEM_SECTION static struct {
TUH_EPBUF_DEF(buf, 32);
} _msch_enum_buf;
TU_ATTR_ALWAYS_INLINE static inline msch_interface_t* get_itf(uint8_t daddr) {
return &_msch_itf[daddr - 1];
}
@ -309,7 +304,9 @@ void msch_close(uint8_t dev_addr) {
// invoke Application Callback
if (p_msc->mounted) {
if (tuh_msc_umount_cb) tuh_msc_umount_cb(dev_addr);
if (tuh_msc_umount_cb) {
tuh_msc_umount_cb(dev_addr);
}
}
tu_memclr(p_msc, sizeof(msch_interface_t));
@ -422,11 +419,12 @@ bool msch_set_config(uint8_t daddr, uint8_t itf_num) {
.wLength = 1
};
uint8_t* enum_buf = usbh_get_enum_buf();
tuh_xfer_t xfer = {
.daddr = daddr,
.ep_addr = 0,
.setup = &request,
.buffer = _msch_enum_buf.buf,
.buffer = enum_buf,
.complete_cb = config_get_maxlun_complete,
.user_data = 0
};
@ -441,7 +439,8 @@ static void config_get_maxlun_complete(tuh_xfer_t* xfer) {
// MAXLUN's response is minus 1 by specs, STALL means 1
if (XFER_RESULT_SUCCESS == xfer->result) {
p_msc->max_lun = _msch_enum_buf.buf[0] + 1;
uint8_t* enum_buf = usbh_get_enum_buf();
p_msc->max_lun = enum_buf[0] + 1;
} else {
p_msc->max_lun = 1;
}
@ -457,18 +456,19 @@ static void config_get_maxlun_complete(tuh_xfer_t* xfer) {
static bool config_test_unit_ready_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data) {
msc_cbw_t const* cbw = cb_data->cbw;
msc_csw_t const* csw = cb_data->csw;
uint8_t* enum_buf = usbh_get_enum_buf();
if (csw->status == 0) {
// Unit is ready, read its capacity
TU_LOG_DRV("SCSI Read Capacity\r\n");
tuh_msc_read_capacity(dev_addr, cbw->lun, (scsi_read_capacity10_resp_t*) (uintptr_t) _msch_enum_buf.buf,
tuh_msc_read_capacity(dev_addr, cbw->lun, (scsi_read_capacity10_resp_t*) (uintptr_t) enum_buf,
config_read_capacity_complete, 0);
} else {
// Note: During enumeration, some device fails Test Unit Ready and require a few retries
// with Request Sense to start working !!
// TODO limit number of retries
TU_LOG_DRV("SCSI Request Sense\r\n");
TU_ASSERT(tuh_msc_request_sense(dev_addr, cbw->lun, _msch_enum_buf.buf, config_request_sense_complete, 0));
TU_ASSERT(tuh_msc_request_sense(dev_addr, cbw->lun, enum_buf, config_request_sense_complete, 0));
}
return true;
@ -488,15 +488,18 @@ static bool config_read_capacity_complete(uint8_t dev_addr, tuh_msc_complete_dat
msc_csw_t const* csw = cb_data->csw;
TU_ASSERT(csw->status == 0);
msch_interface_t* p_msc = get_itf(dev_addr);
uint8_t* enum_buf = usbh_get_enum_buf();
// Capacity response field: Block size and Last LBA are both Big-Endian
scsi_read_capacity10_resp_t* resp = (scsi_read_capacity10_resp_t*) (uintptr_t) _msch_enum_buf.buf;
scsi_read_capacity10_resp_t* resp = (scsi_read_capacity10_resp_t*) (uintptr_t) enum_buf;
p_msc->capacity[cbw->lun].block_count = tu_ntohl(resp->last_lba) + 1;
p_msc->capacity[cbw->lun].block_size = tu_ntohl(resp->block_size);
// Mark enumeration is complete
p_msc->mounted = true;
if (tuh_msc_mount_cb) tuh_msc_mount_cb(dev_addr);
if (tuh_msc_mount_cb) {
tuh_msc_mount_cb(dev_addr);
}
// notify usbh that driver enumeration is complete
usbh_driver_set_config_complete(dev_addr, p_msc->itf_num);