diff options
Diffstat (limited to 'bsp/ls1cdev/libraries/ls1c_uart.c')
| -rw-r--r-- | bsp/ls1cdev/libraries/ls1c_uart.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/bsp/ls1cdev/libraries/ls1c_uart.c b/bsp/ls1cdev/libraries/ls1c_uart.c index fac2010964..5aefaf994e 100644 --- a/bsp/ls1cdev/libraries/ls1c_uart.c +++ b/bsp/ls1cdev/libraries/ls1c_uart.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -53,7 +53,7 @@ void *uart_get_base(ls1c_uart_t UARTx) case LS1C_UART1: base = (void *)LS1C_UART1_BASE; break; - + case LS1C_UART2: base = (void *)LS1C_UART2_BASE; break; @@ -61,7 +61,7 @@ void *uart_get_base(ls1c_uart_t UARTx) case LS1C_UART3: base = (void *)LS1C_UART3_BASE; break; - + case LS1C_UART4: base = (void *)LS1C_UART4_BASE; break; @@ -113,10 +113,10 @@ void uart_init(ls1c_uart_info_t *uart_info_p) // 禁止所有中断 reg_write_8(0, uart_base + LS1C_UART_IER_OFFSET); - + // 接收FIFO的中断申请Trigger为14字节，清空发送和接收FIFO，并复位 reg_write_8(0xc3, uart_base + LS1C_UART_FCR_OFFSET); - + // 设置波特率 reg_write_8(0x80, uart_base + LS1C_UART_LCR_OFFSET); baudrate_div = clk_get_cpu_rate() / 16 / uart_info_p->baudrate / 2; @@ -165,7 +165,7 @@ BOOL uart_is_transmit_empty(ls1c_uart_t uartx) void uart_putc(ls1c_uart_t uartx, unsigned char ch) { void *uart_base = uart_get_base(uartx); - + // 等待 while (FALSE == uart_is_transmit_empty(uartx)) ; @@ -205,7 +205,7 @@ void uart2_init(void) // 设置复用 pin_set_remap(tx_gpio, PIN_REMAP_SECOND); pin_set_remap(rx_gpio, PIN_REMAP_SECOND); - + // 初始化相关寄存器 debug_uart_info.UARTx = LS1C_UART2; debug_uart_info.baudrate = 115200; @@ -257,7 +257,7 @@ void uart_debug_putc(unsigned char ch) ls1c_uart_t uart_irqn_to_uartx(int IRQn) { ls1c_uart_t uartx = LS1C_UART2; - + switch (IRQn) { /* 串口UART00和UART01的中断号还待确定 @@ -273,47 +273,47 @@ ls1c_uart_t uart_irqn_to_uartx(int IRQn) case LS1C_UART1_IRQ: uartx = LS1C_UART1; break; - + case LS1C_UART2_IRQ: uartx = LS1C_UART2; break; - + case LS1C_UART3_IRQ: uartx = LS1C_UART3; break; - + case LS1C_UART4_IRQ: uartx = LS1C_UART4; break; - + case LS1C_UART5_IRQ: uartx = LS1C_UART5; break; - + case LS1C_UART6_IRQ: uartx = LS1C_UART6; break; - + case LS1C_UART7_IRQ: uartx = LS1C_UART7; break; - + case LS1C_UART8_IRQ: uartx = LS1C_UART8; break; - + case LS1C_UART9_IRQ: uartx = LS1C_UART9; break; - + case LS1C_UART10_IRQ: uartx = LS1C_UART10; break; - + case LS1C_UART11_IRQ: uartx = LS1C_UART11; break; - + default: uartx = LS1C_UART2; break; |