diff options
Diffstat (limited to 'asm/f_status.asm')
| -rw-r--r-- | asm/f_status.asm | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/asm/f_status.asm b/asm/f_status.asm new file mode 100644 index 0000000..81ff3d8 --- /dev/null +++ b/asm/f_status.asm @@ -0,0 +1,51 @@ +/* ************************************************************************************ */ +/* */ +/* File : f_status.asm /_________/ */ +/* Author : Joe | */ +/* Date : 04/2020 | */ +/* Info : Gets batt status | */ +/* / | */ +/* \ / */ +/* \_____/ */ +/* */ +/* ************************************************************************************ */ + +;; apm status +;; ---------- +;; 0: high +;; 1: low +;; 2: critical +;; 3: charging + +section .text + extern system + global jo_f_status + +jo_f_status: + mov rdi, f_cmd + call system + mov rdi, st_file + mov rsi, 0x0 + mov rax, 0x5 + syscall + jc err + mov rdi, rax + mov rsi, buff + mov rdx, 0x1 + mov rax, 0x3 + syscall + jc err + mov rax, 0x6 + syscall + movsx rax, byte [rsi + 0x0] + sub rax, 0x30 + retq + +err: + mov rax, 0xfe + retq + +section .data + f_cmd: db "apm -b > /tmp/lowbat.status", 0x0 + st_file: db "/tmp/lowbat.status", 0x0 + buff: db 0x0, 0x0 |