diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/ts_386ex/start/ts_1325.inc')
| -rw-r--r-- | c/src/lib/libbsp/i386/ts_386ex/start/ts_1325.inc | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/ts_386ex/start/ts_1325.inc b/c/src/lib/libbsp/i386/ts_386ex/start/ts_1325.inc new file mode 100644 index 0000000000..e10999abc0 --- /dev/null +++ b/c/src/lib/libbsp/i386/ts_386ex/start/ts_1325.inc @@ -0,0 +1,50 @@ +/* + These are just some useful macros that control the TS-1325's + LEDs and push-button switch. Useful for debugging. + + NOTE: This *must* be 16-bit compatible code to work in start.s + + Tony Ambardar +*/ + + .macro LED_OFF + movw $P1LTC, dx + inb dx, al + orb $0b01000000, al + andb $0b11011111, al + outb al, dx + .endm + + .macro LED_GREEN + movw $P1LTC, dx + inb dx, al + orb $0b01100000, al + outb al, dx + .endm + + .macro LED_YELLOW + movw $P1LTC, dx + inb dx, al + orb $0b00100000, al + andb $0b10111111, al + outb al, dx + .endm + + .macro LED_RED + movw $P1LTC, dx + inb dx, al + andb $0b10011111, al + outb al, dx + .endm + + .macro WAIT_BUTTON # Wait till the button is pressed for a bit. + movw $P1PIN, dx # ~25-30 cycles per loop, 25MHz -> 1 sec. + movl $300000,ecx # "Timer" count determines how long. +0: inb dx, al + andb $0b00000001,al + jnz 0b # Button pressed? + decl ecx + jnz 0b # CX count expired? + .endm + + |