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ethernet: support flow control

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This commit is contained in:
shangke
2017-01-06 13:49:42 +08:00
parent a3f6728797
commit 0e701e1cac
11 changed files with 211 additions and 60 deletions
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21
components/ethernet/emac_dev.h
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@@ -52,6 +52,9 @@ void emac_enable_dma_tx(void);
void emac_enable_dma_rx(void);
void emac_disable_dma_tx(void);
void emac_disable_dma_rx(void);
void emac_enable_flowctrl(void);
void emac_disable_flowctrl(void);
void emac_mac_enable_txrx(void);
uint32_t inline emac_read_tx_cur_reg(void)
{
@@ -77,22 +80,32 @@ void inline emac_poll_rx_cmd(void)
void inline emac_disable_rx_intr(void)
{
REG_CLR_BIT(EMAC_DMAINTERRUPT_EN_REG,EMAC_RECEIVE_INTERRUPT_ENABLE);
REG_CLR_BIT(EMAC_DMAINTERRUPT_EN_REG, EMAC_RECEIVE_INTERRUPT_ENABLE);
}
void inline emac_enable_rx_intr(void)
{
REG_SET_BIT(EMAC_DMAINTERRUPT_EN_REG,EMAC_RECEIVE_INTERRUPT_ENABLE);
REG_SET_BIT(EMAC_DMAINTERRUPT_EN_REG, EMAC_RECEIVE_INTERRUPT_ENABLE);
}
void inline emac_disable_rx_unavail_intr(void)
{
REG_CLR_BIT(EMAC_DMAINTERRUPT_EN_REG,EMAC_RECEIVE_BUFFER_UNAVAILABLE_ENABLE);
REG_CLR_BIT(EMAC_DMAINTERRUPT_EN_REG, EMAC_RECEIVE_BUFFER_UNAVAILABLE_ENABLE);
}
void inline emac_enable_rx_unavail_intr(void)
{
REG_SET_BIT(EMAC_DMAINTERRUPT_EN_REG,EMAC_RECEIVE_BUFFER_UNAVAILABLE_ENABLE);
REG_SET_BIT(EMAC_DMAINTERRUPT_EN_REG, EMAC_RECEIVE_BUFFER_UNAVAILABLE_ENABLE);
}
void IRAM_ATTR inline emac_send_pause_frame_enable(void)
{
REG_SET_BIT(EMAC_EX_PHYINF_CONF_REG, EMAC_EX_SBD_FLOWCTRL);
}
void inline emac_send_pause_zero_frame_enable(void)
{
REG_CLR_BIT(EMAC_EX_PHYINF_CONF_REG, EMAC_EX_SBD_FLOWCTRL);
}
#ifdef __cplusplus