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author | aqua <aqua@iserlohn-fortress.net> | 2022-11-02 23:09:18 +0200 |
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committer | aqua <aqua@iserlohn-fortress.net> | 2022-11-02 23:09:18 +0200 |
commit | 509bf85036b3c345f832558a299257effabba108 (patch) | |
tree | 0dda6c4fd5e072410d958b65af90755c5014b514 /devices/uart_16550.h | |
parent | makefile: make all target the default (diff) | |
download | kernel-509bf85036b3c345f832558a299257effabba108.tar.xz |
fix compiler warnings
Diffstat (limited to 'devices/uart_16550.h')
-rw-r--r-- | devices/uart_16550.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/devices/uart_16550.h b/devices/uart_16550.h index 0e181b2..bb219cc 100644 --- a/devices/uart_16550.h +++ b/devices/uart_16550.h @@ -1,46 +1,5 @@ #pragma once -enum uart_16550_offset { - Data = 0, // read from receive buffer / write to transmit buffer | BaudDiv_l - InterruptControl = 1, // interrupt enable | BaudDiv_h - FifoControl = 2, // interrupt ID and FIFO control - LineControl = 3, // most significant bit is the DLAB - ModemControl = 4, - LineStatus = 5, - ModemStatus = 6, - Scratch = 7, -}; -// Line Control -// | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | -// |dla| | parity | s | data | - -enum LineControl { - d5bit = 0b00000000, // data bits - d6bit = 0b00000001, - d7bit = 0b00000010, - d8bit = 0b00000011, - // none = 0b00000000, // parity bits - odd = 0b00001000, - even = 0b00011000, - mark = 0b00101000, - space = 0b00111000, - // s1bit = 0b00000000, // stop bits - s2bit = 0b00000100, // 1.5 for 5bit data; 2 otherwise - dlab = 0b10000000, // divisor latch access bit -}; - -// Line Status Register -enum LineStatus { - DR = 0b00000001, // data ready: see if there is data to read - OE = 0b00000010, // overrun error: see if there has been data lost - PE = 0b00000100, // parity error: see if there was error in transmission - FE = 0b00001000, // framing error: see if a stop bit was missing - BI = 0b00010000, // break indicator: see if there is a break in data input - THRE = 0b00100000, // transmitter holding register empty: see if transmission buffer is empty - TEMT = 0b01000000, // transmitter empty: see if transmitter is not doing anything - ERRO = 0b10000000, // impending error: see if there is an error with a word in the input buffer -}; - enum UART { COM1 = 0x3f8, COM2 = 0x2f8, |