// ---------------------------------------------------------------- //
// This file is autogenerated by pioasm version 2.2.0; do not edit! //
// ---------------------------------------------------------------- //

#pragma once

#if !PICO_NO_HARDWARE
#include "hardware/pio.h"
#endif

// ----- //
// vsync //
// ----- //

#define vsync_wrap_target 1
#define vsync_wrap 13
#define vsync_pio_version 1

static const uint16_t vsync_program_instructions[] = {
    0x80a0, //  0: pull   block
            //     .wrap_target
    0xa027, //  1: mov    x, osr
    0x20c0, //  2: wait   1 irq, 0
    0xc001, //  3: irq    nowait 1
    0x0042, //  4: jmp    x--, 2
    0xe049, //  5: set    y, 9
    0x20c0, //  6: wait   1 irq, 0
    0x0086, //  7: jmp    y--, 6
    0xe000, //  8: set    pins, 0
    0x20c0, //  9: wait   1 irq, 0
    0x20c0, // 10: wait   1 irq, 0
    0xe05f, // 11: set    y, 31
    0x38c0, // 12: wait   1 irq, 0        side 1
    0x008c, // 13: jmp    y--, 12
            //     .wrap
};

#if !PICO_NO_HARDWARE
static const struct pio_program vsync_program = {
    .instructions = vsync_program_instructions,
    .length = 14,
    .origin = -1,
    .pio_version = vsync_pio_version,
#if PICO_PIO_VERSION > 0
    .used_gpio_ranges = 0x0
#endif
};

static inline pio_sm_config vsync_program_get_default_config(uint offset) {
    pio_sm_config c = pio_get_default_sm_config();
    sm_config_set_wrap(&c, offset + vsync_wrap_target, offset + vsync_wrap);
    sm_config_set_sideset(&c, 2, true, false);
    return c;
}

static inline void vsync_program_init(PIO pio, uint sm, uint offset, uint pin) {
    // creates state machine configuration object c, sets
    // to default configurations. I believe this function is auto-generated
    // and gets a name of <program name>_program_get_default_config
    // Yes, page 40 of SDK guide
    pio_sm_config c = vsync_program_get_default_config(offset);
    // Map the state machine's SET pin group to one pin, namely the `pin`
    // parameter to this function.
    sm_config_set_set_pins(&c, pin, 1);
    sm_config_set_sideset_pins(&c, pin);
    // Set clock division (div by 5 for 25 MHz state machine)
    sm_config_set_clkdiv(&c, 5) ;
    // Set this pin's GPIO function (connect PIO to the pad)
    pio_gpio_init(pio, pin);
    // pio_gpio_init(pio, pin+1);
    // Set the pin direction to output at the PIO
    pio_sm_set_consecutive_pindirs(pio, sm, pin, 1, true);
    // Load our configuration, and jump to the start of the program
    pio_sm_init(pio, sm, offset, &c);
    // Set the state machine running (commented out so can be synchronized with hsync)
    // pio_sm_set_enabled(pio, sm, true);
}

#endif

