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completely change the dcd for lpc11u & lpc13u to overcome the fact that lpc11u dma cannot transfer more than 64 bytes

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each buffer. This implement an soft DMA for lpc11u & lpc13u (previously 1023 max) queued transfer
This commit is contained in:
hathach
2013-11-30 22:29:37 +07:00
parent af87e231c5
commit 6e30a068d2
6 changed files with 167 additions and 25 deletions
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tinyusb/class/msc_device.c
+1 -1
View File
@@ -154,7 +154,7 @@ static bool read10_write10_data_xfer(mscd_interface_t* p_msc)
tusbd_msc_write10_cb(edpt_hdl.coreid, p_cbw->lun, &p_buffer, lba, block_count);
xferred_block = min16_of(xferred_block, block_count);
uint16_t xferred_byte = xferred_block * (p_cbw->xfer_bytes / block_count);
uint16_t const xferred_byte = xferred_block * (p_cbw->xfer_bytes / block_count);
if ( 0 == xferred_block )
{ // xferred_block is zero will cause pipe is stalled & status in CSW set to failed
tinyusb/class/msc_device.h
+4 -2
View File
@@ -63,12 +63,14 @@
void tusbd_msc_mounted_cb(uint8_t coreid);
void tusbd_msc_unmounted_cb(uint8_t coreid);
// p_length [in,out] allocated/maximum length, application update with actual length
msc_csw_status_t tusbd_msc_scsi_received_isr (uint8_t coreid, uint8_t lun, uint8_t scsi_cmd[16], void ** pp_buffer, uint16_t* p_length);
// return 0 will end up with stall transaction
uint16_t tusbd_msc_read10_cb (uint8_t coreid, uint8_t lun, void** pp_buffer, uint32_t lba, uint16_t block_count) ATTR_WARN_UNUSED_RESULT;
uint16_t tusbd_msc_write10_cb(uint8_t coreid, uint8_t lun, void** pp_buffer, uint32_t lba, uint16_t block_count) ATTR_WARN_UNUSED_RESULT;
// p_length [in,out] allocated/maximum length, application update with actual length
msc_csw_status_t tusbd_msc_scsi_received_isr (uint8_t coreid, uint8_t lun, uint8_t scsi_cmd[16], void ** pp_buffer, uint16_t* p_length);
/** @} */
/** @} */