16 beq 1f @ 0-sized bss, skip clear
33 ldr r3, =0x3f200000 @ gpio base
34 ldr r2, =0x9000 @ gpio 24 and 25 -> output
35 str r2, [r3, #8] @ store to GPFSEL2
36 ldr r2, =0x01000000 @ bit 24
38 strne r2, [r3, #0x1c] @ GPSET0
39 streq r2, [r3, #0x28] @ GPCLR0
42 strne r2, [r3, #0x1c] @ GPSET0
43 streq r2, [r3, #0x28] @ GPCLR0
52 @ vi:set filetype=armasm: