22 lines
546 B
Plaintext
22 lines
546 B
Plaintext
|
.program image
|
||
|
|
.wrap_target
|
||
|
|
|
||
|
|
wait 1 pin 9 // wait for hsync
|
||
|
|
wait 1 pin 8 // wait for rising pclk
|
||
|
|
in pins 1
|
||
|
|
wait 0 pin 8
|
||
|
|
.wrap
|
||
|
|
|
||
|
|
% c-sdk {
|
||
|
|
void image_program_init(PIO pio, uint sm, uint offset, uint pin_base) {
|
||
|
|
pio_sm_set_consecutive_pindirs(pio, sm, pin_base, 1, false);
|
||
|
|
|
||
|
|
pio_sm_config c = image_program_get_default_config(offset);
|
||
|
|
sm_config_set_in_pins(&c, pin_base);
|
||
|
|
sm_config_set_in_shift(&c, false, true, 8);
|
||
|
|
sm_config_set_fifo_join(&c, PIO_FIFO_JOIN_RX);
|
||
|
|
pio_sm_init(pio, sm, offset, &c);
|
||
|
|
//pio_sm_set_enabled(pio, sm, true);
|
||
|
|
}
|
||
|
|
%}
|