diff options
| author | sheltonyu <[email protected]> | 2022-10-14 10:03:27 +0800 |
|---|---|---|
| committer | Man, Jianting (Meco) <[email protected]> | 2022-10-16 17:56:50 -0400 |
| commit | 1d77744a37d4870d4b20275a97f52d7b2720b138 (patch) | |
| tree | 52362a74fcc7b35452f1fde456ff857718cb693b | |
| parent | 56794960d19d2260ef0965c32495543811b90fe8 (diff) | |
optimize emac and usart driver code
| -rw-r--r-- | bsp/at32/libraries/rt_drivers/drv_emac.c | 16 | ||||
| -rw-r--r-- | bsp/at32/libraries/rt_drivers/drv_usart.c | 2 |
2 files changed, 16 insertions, 2 deletions
diff --git a/bsp/at32/libraries/rt_drivers/drv_emac.c b/bsp/at32/libraries/rt_drivers/drv_emac.c index acbe3a0d27..df72259fda 100644 --- a/bsp/at32/libraries/rt_drivers/drv_emac.c +++ b/bsp/at32/libraries/rt_drivers/drv_emac.c @@ -8,6 +8,7 @@ * 2022-05-16 shelton first version * 2022-07-11 shelton optimize code to improve network throughput * performance + * 2022-10-15 shelton optimize code */ #include "drv_emac.h" @@ -355,6 +356,7 @@ static rt_err_t rt_at32_emac_init(rt_device_t dev) emac_control_para_init(&mac_control_para); mac_control_para.auto_nego = EMAC_AUTO_NEGOTIATION_ON; + if(emac_phy_init(&mac_control_para) == ERROR) { LOG_E("emac hardware init failed"); @@ -376,8 +378,19 @@ static rt_err_t rt_at32_emac_init(rt_device_t dev) /* set emac dma tx link list */ emac_dma_descriptor_list_address_set(EMAC_DMA_TRANSMIT, dma_tx_dscr_tab, tx_buff, EMAC_NUM_TX_BUF); - /* emac interrupt init */ + emac_dma_para_init(&dma_control_para); + dma_control_para.rsf_enable = TRUE; + dma_control_para.tsf_enable = TRUE; + dma_control_para.osf_enable = TRUE; + dma_control_para.aab_enable = TRUE; + dma_control_para.usp_enable = TRUE; + dma_control_para.fb_enable = TRUE; + dma_control_para.flush_rx_disable = TRUE; + dma_control_para.rx_dma_pal = EMAC_DMA_PBL_32; + dma_control_para.tx_dma_pal = EMAC_DMA_PBL_32; + dma_control_para.priority_ratio = EMAC_DMA_2_RX_1_TX; emac_dma_config(&dma_control_para); + /* emac interrupt init */ emac_dma_interrupt_enable(EMAC_DMA_INTERRUPT_NORMAL_SUMMARY, TRUE); emac_dma_interrupt_enable(EMAC_DMA_INTERRUPT_RX, TRUE); nvic_irq_enable(EMAC_IRQn, 0x07, 0); @@ -467,6 +480,7 @@ rt_err_t rt_at32_emac_tx(rt_device_t dev, struct pbuf *p) #ifdef EMAC_TX_DUMP dump_hex(p->payload, p->tot_len); #endif + /* prepare transmit descriptors to give to dma */ LOG_D("transmit frame length :%d", p->tot_len); diff --git a/bsp/at32/libraries/rt_drivers/drv_usart.c b/bsp/at32/libraries/rt_drivers/drv_usart.c index 8e400bae58..832dca02be 100644 --- a/bsp/at32/libraries/rt_drivers/drv_usart.c +++ b/bsp/at32/libraries/rt_drivers/drv_usart.c @@ -6,6 +6,7 @@ * Change Logs: * Date Author Notes * 2022-05-16 shelton first version + * 2022-10-15 shelton optimize code */ #include "drv_common.h" @@ -228,7 +229,6 @@ static void usart_isr(struct rt_serial_device *serial) { if (usart_flag_get(usart_instance->usart_x, USART_RDBF_FLAG) != RESET) { rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND); - usart_flag_clear(usart_instance->usart_x, USART_RDBF_FLAG); } else { |