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Update emmc.pio

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rehius 2023-05-26 22:44:53 +00:00 committed by GitHub
parent 7ca69d4b76
commit e98219c475
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1 changed files with 8 additions and 12 deletions
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emmc.pio
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@ -57,17 +57,13 @@ read_loop:
.program glitch_dat_waiter
.wrap_target
mov x, y ; data length pre-loaded counter (512 + 16 - 1)
wait_for_start_bit:
wait 0 pin, 30
wait 1 pin, 30
jmp pin wait_for_start_bit ; wait for dat start bit of the rising edge
wait 0 pin, 30
skip_loop_dat:
wait 1 pin, 30
;in pins, 1 ; data sniffer (not needed anymore)
wait 0 pin, 30
jmp x-- skip_loop_dat ; skip the required data ticks
mov x, y ; data length pre-loaded counter (512 + 16 - 1) * 8
wait_for_zero_filtered:
jmp pin, wait_for_zero_filtered
jmp pin, wait_for_zero_filtered
jmp pin, wait_for_zero_filtered
wait_for_data_pack:
jmp x-- wait_for_data_pack
irq clear 1 ; 'data transfer done' trigger
.wrap
@ -84,4 +80,4 @@ wait_for_timing:
jmp x--, wait_for_timing side 0
glitch_en:
jmp y--, glitch_en side 1
.wrap
.wrap