kopia lustrzana https://github.com/oddwires/RP2040-code
28 wiersze
896 B
Plaintext
28 wiersze
896 B
Plaintext
.program pio_blink
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.wrap_target
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set y,0b00001
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mov pins, y
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set x, 31
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label01:
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jmp x--, label01 [31]
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;
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set y,0b00000
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mov pins, y
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set x, 31
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label02:
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jmp x--, label02 [31]
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.wrap ; Blink forever!
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% c-sdk {
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// this is a raw helper function for use by the user which sets up the GPIO output, and configures the SM to output on a particular pin
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void blink_program_init(PIO pio, uint sm, uint offset, uint pin, uint div) {
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pio_gpio_init(pio, pin);
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pio_sm_set_consecutive_pindirs(pio, sm, pin, 1, true);
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pio_sm_config c = pio_blink_program_get_default_config(offset);
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sm_config_set_clkdiv(&c, div); // Set the clock divider for the state machine
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sm_config_set_out_pins(&c, pin, 1);
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pio_sm_init(pio, sm, offset, &c);
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}
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%}
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