100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
#include <msp430g2553.h>
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#include "spi.h"
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#include "../game-ctrl/sound.h"
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volatile t_SoundCmd cmd;
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void __attribute__ ((interrupt (USCIAB0RX_VECTOR))) receive() {
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if (UC0IFG & UCB0RXIFG) {
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// receive an octet
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cmd = UCB0RXBUF
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}
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}
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void spiCmdHandler(void *handle) {
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uint8_t cmdShadow;
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__disable_interrupt();
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cmdShadow = cmd;
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__enable_interrupt();
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/*
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e_SOUND_IDLE = 0,
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e_SOUND_MUTE = 1,
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e_SOUND_UNMUTE,
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e_SOUND_START_BACKGROUND,
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e_SOUND_STOP_BACKGROUND,
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e_SOUND_START_GAMEOVER,
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e_SOUND_STOP_GAMEOVER,
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e_SOUND_SPEED_UP,
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e_SOUND_FANFARE_BASE,
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e_SOUND_FANFARE_1,
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e_SOUND_FANFARE_2,
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e_SOUND_FANFARE_3,
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e_SOUND_FANFARE_4,
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e_SOUND_STONE_LOCKED,
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e_SOUND_STONE_MOVE_LEFT,
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e_SOUND_STONE_MOVE_RIGHT,
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e_SOUND_STONE_ROTATE_LEFT,
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e_SOUND_STONE_ROTATE_RIGHT,
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e_SOUND_STONE_MOVE_DOWN,
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*/
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switch (cmdShadow) {
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case e_SOUND_MUTE:
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break;
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case e_SOUND_UNMUTE:
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break;
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case e_SOUND_START_BACKGROUND:
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break;
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case e_SOUND_STOP_BACKGROUND:
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break;
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case e_SOUND_START_GAMEOVER:
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break;
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case e_SOUND_STOP_GAMEOVER:
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break;
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case e_SOUND_SPEED_UP:
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break;
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case e_SOUND_FANFARE_1:
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break;
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case e_SOUND_FANFARE_2:
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break;
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case e_SOUND_FANFARE_3:
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break;
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case e_SOUND_FANFARE_4:
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break;
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case e_SOUND_STONE_LOCKED:
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break;
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case e_SOUND_STONE_MOVE_DOWN:
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break;
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case e_SOUND_STONE_MOVE_LEFT:
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break;
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case e_SOUND_STONE_MOVE_RIGHT:
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break;
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case e_SOUND_STONE_ROTATE_LEFT:
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break;
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case e_SOUND_STONE_ROTATE_RIGHT:
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break;
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}
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}
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void spiInit() {
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// SPI slave
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// BIT4: UCB0STE
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// BIT5: UCB0CLK
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// BIT6: UCB0SOMI
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// BIT7: UCB0SIMO
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P1SEL |= BIT4 | BIT5 | BIT7;
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P1SEL2 |= BIT4 | BIT5 | BIT7;
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// most significant bit first, enable STE
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UCB0CTL0 = UCSYNC | UCMSB | UCMODE_2;
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UCB0CTL1 = 0x00;
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// enable RX interrupt
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UC0IE |= UCB0RXIE;
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}
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