Use GPIO2 for led_debug.S

This commit is contained in:
Angus Gratton 2015-09-14 17:19:09 +10:00
parent 45d4e0da2d
commit 0432ae3745
3 changed files with 11 additions and 4 deletions

View file

@ -4,6 +4,8 @@
*
* To have this work from initial reset, without needing an iomux call
* first, choose a pin where iomux defaults to GPIO (ie 0,2,4,5)
*
* Current sets on=LOW, as the GPIO2 pin is active low
*/
LED_GPIO=2
GPIO_DIR_SET = 0x6000030c
@ -19,11 +21,11 @@ GPIO_OUT_CLEAR = 0x60000308
.endm
// Turn LED on. rega, regb will be clobbered
.macro led_on rega, regb
.macro led_off rega, regb
led_op \rega, \regb, GPIO_OUT_SET
.endm
// Turn LED off. rega, regb will be clobbered
.macro led_off rega, regb
// Turn LED on. rega, regb will be clobbered
.macro led_on rega, regb
led_op \rega, \regb, GPIO_OUT_CLEAR
.endm