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159 lines
3.6 KiB
Rust
159 lines
3.6 KiB
Rust
#[derive(PartialEq, Copy, Clone)]
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enum PomState {
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STOPPED,
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RUNNING,
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PAUSED
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}
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const POM_DURATION : u16 = 1500;
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const POM_CURRENT_INDEX : u32 = 68;
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const POM_LIGHT_COUNT : u32 = 9;
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const POM_COMPLETE_INDEX : u32 = POM_CURRENT_INDEX + POM_LIGHT_COUNT + 1;
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static mut current_pom_state : PomState = PomState::STOPPED;
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static mut pom_visible : bool = false;
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static mut poms_completed : u32 = 0;
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static mut pom_current_secs : u16 = 0;
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static mut pom_second_start : u32 = 0;
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static mut blink_on : bool = false;
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static mut last_pos : u32 = 0;
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extern "C" {
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pub static complete_hsv : [u32; 3usize];
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pub static current_hsv : [u32; 3usize];
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pub static hidden_hsv : [u32; 3usize];
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pub static blank_hsv : [u32; 3usize];
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fn timer_read32() -> u32;
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fn timer_elapsed32(prev : u32) -> u32;
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fn hsv_matrix_set_color(i : u32, color : *const [u32; 3usize]);
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}
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#[no_mangle]
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pub unsafe extern "C" fn new_pom() {
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let previous_pom_state = current_pom_state;
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match previous_pom_state {
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PomState::RUNNING => {
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current_pom_state = PomState::PAUSED;
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},
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PomState::PAUSED => {
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current_pom_state = PomState::RUNNING;
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},
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PomState::STOPPED => {
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current_pom_state = PomState::RUNNING;
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pom_current_secs = 0;
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pom_second_start = 0;
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}
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}
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}
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#[no_mangle]
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pub unsafe extern "C" fn cancel_pom() {
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current_pom_state = PomState::STOPPED;
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pom_current_secs = 0;
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pom_second_start = 0;
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}
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#[no_mangle]
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pub unsafe extern "C" fn delete_pom() {
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cancel_pom();
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poms_completed = 0;
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}
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#[no_mangle]
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pub unsafe extern "C" fn show_pom() {
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pom_visible = !pom_visible;
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}
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#[no_mangle]
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pub unsafe extern "C" fn tick_pom() {
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if current_pom_state == PomState::RUNNING {
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count_pom();
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}
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if current_pom_state != PomState::STOPPED || poms_completed > 0 {
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draw_pom();
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}
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}
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unsafe fn count_pom() {
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if pom_second_start == 0 {
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pom_second_start = timer_read32();
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}
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if timer_elapsed32(pom_second_start) > 1000 {
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pom_second_start = 0;
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pom_current_secs += 1;
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}
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if pom_current_secs >= POM_DURATION {
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poms_completed += 1;
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current_pom_state = PomState::STOPPED;
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pom_current_secs = 0;
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pom_second_start = 0;
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}
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}
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unsafe fn draw_pom() {
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let current_pos = POM_CURRENT_INDEX + ((pom_current_secs as f32 / POM_DURATION as f32) * POM_LIGHT_COUNT as f32) as u32;
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let completed_pos = POM_COMPLETE_INDEX + poms_completed - 1;
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// Clear row
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if pom_visible {
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if current_pom_state != PomState::STOPPED {
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let mut i = POM_CURRENT_INDEX;
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while i < POM_CURRENT_INDEX + POM_LIGHT_COUNT {
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hsv_matrix_set_color(i, &blank_hsv);
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i += 1;
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}
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}
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let mut i = POM_COMPLETE_INDEX;
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while i < POM_COMPLETE_INDEX + 3 {
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hsv_matrix_set_color(i, &blank_hsv);
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i += 1;
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}
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}
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// Draw completed
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if pom_visible {
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let mut i = POM_COMPLETE_INDEX;
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while i < POM_COMPLETE_INDEX + poms_completed {
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hsv_matrix_set_color(i, &complete_hsv);
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i += 1;
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}
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} else if poms_completed > 0 && poms_completed <= 3 {
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hsv_matrix_set_color(completed_pos, &hidden_hsv);
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}
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if current_pom_state == PomState::STOPPED {
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return;
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}
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if last_pos != current_pos {
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last_pos = current_pos;
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blink_on = true;
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} else if pom_second_start == 0 {
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blink_on = !blink_on;
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}
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// Current solid
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if pom_visible {
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let mut i = POM_CURRENT_INDEX;
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while i < current_pos {
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hsv_matrix_set_color(i, ¤t_hsv);
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i += 1;
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}
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}
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// Current blinking
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if blink_on {
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if pom_visible {
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hsv_matrix_set_color(current_pos, ¤t_hsv);
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} else {
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hsv_matrix_set_color(current_pos, &hidden_hsv);
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}
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}
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} |