136 lines
2.5 KiB
C
136 lines
2.5 KiB
C
#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <msp430g2553.h>
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#include "buttons.h"
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#include "scheduler.h"
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#include "shapes.h"
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#include "canvas.h"
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#include "sound.h"
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#include "eeprom.h"
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bool mutedFlag = true;
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static uint8_t buttonsMoveLeftPressed() {
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static uint8_t last = 0;
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uint8_t current = (P2IN & BIT4);
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uint8_t res = (current != 0) && (current != last);
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last = current;
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return res;
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}
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bool buttonsConfig1Pressed() {
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return buttonsMoveLeftPressed();
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}
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static uint8_t buttonsMoveRightPressed() {
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static uint8_t last = 0;
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uint8_t current = (P2IN & BIT0);
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uint8_t res = (current != 0) && (current != last);
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last = current;
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return res;
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}
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bool buttonsConfig4Pressed() {
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return buttonsMoveRightPressed();
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}
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static uint8_t buttonsRotateLeftPressed() {
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static uint8_t last = 0;
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uint8_t current = (P2IN & BIT3);
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uint8_t res = (current != 0) && (current != last);
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last = current;
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return res;
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}
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bool buttonsConfig2Pressed() {
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return buttonsRotateLeftPressed();
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}
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static uint8_t buttonsRotateRightPressed() {
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static uint8_t last = 0;
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uint8_t current = (P2IN & BIT1);
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uint8_t res = (current != 0) && (current != last);
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last = current;
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return res;
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}
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bool buttonsConfig3Pressed() {
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return buttonsRotateRightPressed();
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}
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static uint8_t buttonsMoveDownPressed() {
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return P2IN & BIT2;
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}
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bool isConfigMode() {
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return (P2IN & BIT2);
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}
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void buttonsExec(void *handle) {
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static uint32_t unmuteTimestamp;
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uint32_t currentTimestamp = getSeconds();
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if (! stoneIsValid()) {
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// don't do anything, the stone has not been initialized
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return;
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}
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uint8_t buttonPressed = 0;
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if (buttonsMoveLeftPressed()) {
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stoneMoveLeft();
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buttonPressed = 1;
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}
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if (buttonsMoveRightPressed()) {
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stoneMoveRight();
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buttonPressed = 1;
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}
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if (buttonsRotateLeftPressed()) {
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stoneRotateLeft();
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buttonPressed = 1;
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}
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if (buttonsRotateRightPressed()) {
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stoneRotateRight();
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buttonPressed = 1;
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}
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if (buttonsMoveDownPressed()) {
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stoneMoveDown();
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buttonPressed = 1;
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}
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if (buttonPressed == 1) {
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canvasShow();
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if (mutedFlag) {
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eepromIncGameCounter();
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soundCtrl(SOUND_UNMUTE);
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mutedFlag = false;
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}
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unmuteTimestamp = currentTimestamp;
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}
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if ((! mutedFlag) && (unmuteTimestamp + MUTE_DELAY < currentTimestamp)) {
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soundCtrl(SOUND_MUTE);
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mutedFlag = true;
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}
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}
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void buttonsInit() {
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P2DIR &= ~(BIT0|BIT1|BIT2|BIT3|BIT4);
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}
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void buttonsStart() {
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schAdd(buttonsExec, NULL, 0, 25);
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}
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bool isGameActive() {
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return ! mutedFlag;
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}
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