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Merge pull request #1160 from cr1901/msp-fix

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msp430x5xx: Set base of transmit_packet buffer earlier to avoid incre…
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Ha Thach 2021-10-24 17:28:11 +07:00 committed by GitHub
commit 55e0b5882a
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1 changed files with 1 additions and 2 deletions
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src/portable/ti/msp430x5xx/dcd_msp430x5xx.c
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@ -547,6 +547,7 @@ static void transmit_packet(uint8_t ep_num)
} }
// Then actually commit to transmit a packet. // Then actually commit to transmit a packet.
uint8_t * base = (xfer->buffer + xfer->queued_len);
uint16_t remaining = xfer->total_len - xfer->queued_len; uint16_t remaining = xfer->total_len - xfer->queued_len;
uint8_t xfer_size = (xfer->max_size < xfer->total_len) ? xfer->max_size : remaining; uint8_t xfer_size = (xfer->max_size < xfer->total_len) ? xfer->max_size : remaining;
@ -560,7 +561,6 @@ static void transmit_packet(uint8_t ep_num)
if(ep_num == 0) if(ep_num == 0)
{ {
volatile uint8_t * ep0in_buf = &USBIEP0BUF; volatile uint8_t * ep0in_buf = &USBIEP0BUF;
uint8_t * base = (xfer->buffer + xfer->queued_len);
for(uint16_t i = 0; i < xfer_size; i++) for(uint16_t i = 0; i < xfer_size; i++)
{ {
ep0in_buf[i] = base[i]; ep0in_buf[i] = base[i];
@ -582,7 +582,6 @@ static void transmit_packet(uint8_t ep_num)
else else
#endif #endif
{ {
uint8_t * base = (xfer->buffer + xfer->queued_len);
for(int i = 0; i < xfer_size; i++) for(int i = 0; i < xfer_size; i++)
{ {
ep_buf[i] = base[i]; ep_buf[i] = base[i];