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feature/ethernet_driver: update ethernet driver

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1. The transmitting mode of the packets from LWIP to MAC is changed from synchronous to asynchronous.
2. The receive buf mode : support pointer mode and copy mode.
3. Add get phy status func used to config mac register.
This commit is contained in:
shangke
2016-12-18 21:18:37 +08:00
parent 05fcdcfedb
commit 5ddf6daa98
12 changed files with 501 additions and 203 deletions
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46
components/ethernet/emac_dev.h
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@@ -49,14 +49,52 @@ uint32_t emac_read_mac_version(void);
void emac_dma_init(void);
void emac_mac_init(void);
void emac_enable_dma_tx(void);
void emac_poll_tx_cmd(void);
uint32_t emac_read_tx_cur_reg(void);
void emac_enable_dma_rx(void);
uint32_t emac_read_rx_cur_reg(void);
void emac_poll_rx_cmd(void);
void emac_disable_dma_tx(void);
void emac_disable_dma_rx(void);
uint32_t inline emac_read_tx_cur_reg(void)
{
return REG_READ(EMAC_DMATXCURRDESC_REG);
}
uint32_t inline emac_read_rx_cur_reg(void)
{
return REG_READ(EMAC_DMARXCURRDESC_REG);
}
void inline emac_poll_tx_cmd(void)
{
//write any to wake up dma
REG_WRITE(EMAC_DMATXPOLLDEMAND_REG, 1);
}
void inline emac_poll_rx_cmd(void)
{
//write any to wake up dma
REG_WRITE(EMAC_DMARXPOLLDEMAND_REG, 1);
}
void inline emac_disable_rx_intr(void)
{
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);
}
void inline emac_disable_rx_unavail_intr(void)
{
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);
}
#ifdef __cplusplus
}
#endif