From 2e225ac46d0c9058efbe8a4fe7aedd8a695972a3 Mon Sep 17 00:00:00 2001 From: acevest Date: Fri, 4 Oct 2019 12:33:40 +0800 Subject: [PATCH] fix typo --- board/GD32VF103C_START/BSP/Src/usart.c | 30 ++++++++++++-------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/board/GD32VF103C_START/BSP/Src/usart.c b/board/GD32VF103C_START/BSP/Src/usart.c index 5c809db1..9d6c0d6f 100644 --- a/board/GD32VF103C_START/BSP/Src/usart.c +++ b/board/GD32VF103C_START/BSP/Src/usart.c @@ -2,29 +2,27 @@ #include "usart.h" void usart0_init(int baud) { - uint32_t com = USART0; - /* enable GPIO clock */ rcu_periph_clock_enable(RCU_GPIOA); - /* enable USART clock */ + /* enable USART0 clock */ rcu_periph_clock_enable(RCU_USART0); - /* connect port to USARTx_Tx */ + /* connect port to USART0_Tx */ gpio_init(USART0_GPIO_PORT, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, USART0_GPIO_TX_PIN); - /* connect port to USARTx_Rx */ + /* connect port to USART0_Rx */ gpio_init(USART0_GPIO_PORT, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, USART0_GPIO_RX_PIN); - /* USART configure */ - usart_deinit(com); - usart_baudrate_set(com, baud); - usart_word_length_set(com, USART_WL_8BIT); - usart_stop_bit_set(com, USART_STB_1BIT); - usart_parity_config(com, USART_PM_NONE); - usart_hardware_flow_rts_config(com, USART_RTS_DISABLE); - usart_hardware_flow_cts_config(com, USART_CTS_DISABLE); - usart_receive_config(com, USART_RECEIVE_ENABLE); - usart_transmit_config(com, USART_TRANSMIT_ENABLE); - usart_enable(com); + /* USART0 configure */ + usart_deinit(USART0); + usart_baudrate_set(USART0, baud); + usart_word_length_set(USART0, USART_WL_8BIT); + usart_stop_bit_set(USART0, USART_STB_1BIT); + usart_parity_config(USART0, USART_PM_NONE); + usart_hardware_flow_rts_config(USART0, USART_RTS_DISABLE); + usart_hardware_flow_cts_config(USART0, USART_CTS_DISABLE); + usart_receive_config(USART0, USART_RECEIVE_ENABLE); + usart_transmit_config(USART0, USART_TRANSMIT_ENABLE); + usart_enable(USART0); }