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msp430x5xx: Set base of transmit_packet buffer earlier to avoid incrementing past unsent data.

This commit is contained in:
William D. Jones 2021-10-23 13:43:46 -04:00
parent b541c0f5e0
commit 07c74c76d0
1 changed files with 1 additions and 2 deletions
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3
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.
uint8_t * base = (xfer->buffer + 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;
@ -560,7 +561,6 @@ static void transmit_packet(uint8_t ep_num)
if(ep_num == 0)
{
volatile uint8_t * ep0in_buf = &USBIEP0BUF;
uint8_t * base = (xfer->buffer + xfer->queued_len);
for(uint16_t i = 0; i < xfer_size; i++)
{
ep0in_buf[i] = base[i];
@ -582,7 +582,6 @@ static void transmit_packet(uint8_t ep_num)
else
#endif
{
uint8_t * base = (xfer->buffer + xfer->queued_len);
for(int i = 0; i < xfer_size; i++)
{
ep_buf[i] = base[i];