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small improvment to count_packets

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Mariano Alvira 2010-05-21 12:38:19 -04:00
parent 2fcfe11096
commit 64081c2fb8
1 changed files with 4 additions and 2 deletions
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6
lib/maca.c
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@ -74,6 +74,8 @@
#define reg(x) (*(volatile uint32_t *)(x)) #define reg(x) (*(volatile uint32_t *)(x))
int count_packets(void);
static volatile packet_t packet_pool[NUM_PACKETS]; static volatile packet_t packet_pool[NUM_PACKETS];
static volatile packet_t *free_head, *rx_end, *tx_end, *dma_tx, *dma_rx; static volatile packet_t *free_head, *rx_end, *tx_end, *dma_tx, *dma_rx;
@ -223,8 +225,8 @@ int count_packets(void) {
} }
total = free + rx + tx; total = free + rx + tx;
if(dma_rx) { total++; } if(dma_rx && (dma_rx != rx_head)) { total++; }
if(dma_tx) { total++; } if(dma_tx && (dma_tx != tx_head)) { total++; }
return total; return total;
} }