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component/emac: fix process rx err

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This commit is contained in:
shangke 2017-11-15 11:04:32 +08:00
parent 957b97720a
commit d46dcaf9e5
1 changed files with 8 additions and 0 deletions
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8
components/ethernet/emac_main.c
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@ -481,6 +481,10 @@ static void emac_process_rx_unavail(void)
while (emac_config.cnt_rx < DMA_RX_BUF_NUM) {
if (emac_config.dma_erx[emac_config.dirty_rx].basic.desc0 == EMAC_DESC_RX_OWN) {
break;
}
emac_config.cnt_rx++;
if (emac_config.cnt_rx > DMA_RX_BUF_NUM) {
ESP_LOGE(TAG, "emac rx unavail buf err !!\n");
@ -530,6 +534,10 @@ static void emac_process_rx(void)
if ((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0 & EMAC_DESC_RX_OWN) == 0) {
while (emac_config.cnt_rx < DMA_RX_BUF_NUM) {
if (emac_config.dma_erx[emac_config.dirty_rx].basic.desc0 == EMAC_DESC_RX_OWN) {
break;
}
emac_config.cnt_rx++;
if (emac_config.cnt_rx > DMA_RX_BUF_NUM) {
ESP_LOGE(TAG, "emac rx buf err!!!\n");