andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

correct the fifo_available comparison (words not byte)

Browse Source
This commit is contained in:
hathach
2024-10-29 22:48:58 +07:00
parent 616b5770f2
commit 3c1cb0e08f
2 changed files with 25 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/portable/synopsys/dwc2/dcd_dwc2.c
View File

@@ -853,21 +853,21 @@ static void handle_epin_irq(uint8_t rhport) {
const uint16_t remain_bytes = epin->dieptsiz_bm.xfer_size;
// Packet can not be larger than ep max size
const uint16_t packet_size = tu_min16(remain_bytes, xfer->max_size);
const uint16_t xact_bytes = tu_min16(remain_bytes, xfer->max_size);
// It's only possible to write full packets into FIFO. Therefore DTXFSTS register of current
// EP has to be checked if the buffer can take another WHOLE packet
if (packet_size > ((epin->dtxfsts & DTXFSTS_INEPTFSAV_Msk) << 2)) {
if (xact_bytes > ((epin->dtxfsts & DTXFSTS_INEPTFSAV_Msk) << 2)) {
break;
}
// Push packet to Tx-FIFO
if (xfer->ff) {
volatile uint32_t* tx_fifo = dwc2->fifo[n];
tu_fifo_read_n_const_addr_full_words(xfer->ff, (void*) (uintptr_t) tx_fifo, packet_size);
tu_fifo_read_n_const_addr_full_words(xfer->ff, (void*) (uintptr_t) tx_fifo, xact_bytes);
} else {
dfifo_write_packet(dwc2, n, xfer->buffer, packet_size);
xfer->buffer += packet_size;
dfifo_write_packet(dwc2, n, xfer->buffer, xact_bytes);
xfer->buffer += xact_bytes;
}
}