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add an offset to packet_t to compensate for the added length byte on

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reception
This commit is contained in:
Mariano Alvira 2010-03-07 17:04:30 -05:00
parent 8421031d4a
commit 024448e65e
5 changed files with 10 additions and 4 deletions
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5
lib/maca.c
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@ -167,7 +167,7 @@ void post_tx(void) {
last_post = TX_POST;
dma_tx = tx_head;
*MACA_TXLEN = (uint32_t)((dma_tx->length) + 2);
*MACA_DMATX = (uint32_t)&(dma_tx->data[0]);
*MACA_DMATX = (uint32_t)&(dma_tx->data[ 0 + dma_tx->offset]);
if(dma_rx == 0) {
dma_rx = get_free_packet();
if (dma_rx == 0)
@ -255,8 +255,9 @@ void free_tx_head(void) {
void add_to_rx(volatile packet_t *p) {
safe_irq_disable(MACA);
if(!p) { PRINTF("add_to_rx passed packet 0\n\r"); return; }
p->offset = 1; /* first byte is the length */
if(rx_head == 0) {
/* start a new queue if empty */
rx_end = p;