X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/32b9a6d76790c73d3d2d36d9081a2581cc65d184..28c176b668c841a3b7fb093faccf0efa39257603:/lunaix-os/hal/char/uart/16550.h diff --git a/lunaix-os/hal/char/uart/16550.h b/lunaix-os/hal/char/uart/16550.h index ccee415..5b4040b 100644 --- a/lunaix-os/hal/char/uart/16550.h +++ b/lunaix-os/hal/char/uart/16550.h @@ -17,7 +17,6 @@ #define UART_rDLM 1 #define UART_INTRX 0x1 -#define UART_DLAB (1 << 7) #define UART_LOOP (1 << 4) #define UART_rIE_ERBFI 1 @@ -29,6 +28,7 @@ #define UART_rLC_PAREN (1 << 3) #define UART_rLC_PAREVN (1 << 4) #define UART_rLC_SETBRK (1 << 6) +#define UART_rLC_DLAB (1 << 7) #define UART_rLS_THRE (1 << 5) #define UART_rLS_DR 1 @@ -116,13 +116,13 @@ uart_baud_divisor(struct uart16550* uart, int div) { u32_t rlc = uart->read_reg(uart, UART_rLC); - uart->write_reg(uart, UART_rLC, UART_DLAB | rlc); + uart->write_reg(uart, UART_rLC, UART_rLC_DLAB | rlc); u8_t ls = (div & 0xff), ms = (div & 0xff00) >> 8; uart->write_reg(uart, UART_rLS, ls); uart->write_reg(uart, UART_rMS, ms); - uart->write_reg(uart, UART_rLC, rlc & ~UART_DLAB); + uart->write_reg(uart, UART_rLC, rlc & ~UART_rLC_DLAB); return 0; }