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hw-rollerderby-scoreboard
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Implement timeout

This commit is contained in:
Neale Pickett 2013-03-17 23:42:17 -06:00
parent cdc8260db1
commit 6af58a95a7
1 changed files with 67 additions and 35 deletions
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102
main.c
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@ -1,5 +1,6 @@
#include <msp430.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
// Number of shift registers in your scoreboard
@ -12,16 +13,16 @@ uint16_t time = 0; // Tenths of a second elapsed since boot
// Clocks are in deciseconds
uint16_t score_a = 0;
uint16_t score_b = 0;
uint16_t period_clock = 600 * 30;
uint16_t jam_clock = 600 * 2;
int16_t period_clock = -600 * 30;
int16_t jam_clock = -600 * 2;
enum {
SETUP,
JAM,
LINEUP,
TIMEOUT
} state = JAM;
} state = SETUP;
uint8_t controller = 0;
uint8_t last_controller = 0;
#define MODE BIT0
@ -36,16 +37,23 @@ uint8_t controller = 0;
#define NESLTCH BIT5
#define NESSOUT BIT7
// NES Controller buttons
#define BTN_A BIT7
#define BTN_B BIT6
#define BTN_SELECT BIT5
#define BTN_START BIT4
#define BTN_UP BIT3
#define BTN_DOWN BIT2
#define BTN_LEFT BIT1
#define BTN_RIGHT BIT0
#define bit(pin, bit, on) pin = (on ? (pin | bit) : (pin & ~bit))
const uint8_t seven_segment_digits[] = {
#if defined(WIKIPEDIA)
0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71
#elseif defined(TOPDOWN)
0x7e, 0x48, 0x3d, 0x6d, 0x4b, 0x67, 0x77, 0x4c, 0x7f, 0x6f,
#else
0x7b, 0x09, 0xb3, 0x9b, 0xc9, 0xda, 0xfa, 0x0b, 0xfb, 0xdb
#endif
0x7b, 0x09, 0xb3, 0x9b, 0xc9, 0xda, 0xfa, 0x0b, 0xfb, 0xdb,
};
#define mode(on) bit(P1OUT, MODE, on)
@ -76,7 +84,7 @@ write(uint8_t number)
// MSB first
for (i = 7; i >= 0; i -= 1) {
sin(number & (1 << i));
for (j = 0; j < 12; j += 1) {
pulse();
}
@ -148,27 +156,25 @@ setup_dc()
void
draw()
{
#if 1
uint16_t clk;
write_num(score_a, 3);
clk = ((period_clock / 10) / 60) * 100;
clk = clk + ((period_clock / 10) % 60);
write_num(clk, 4);
if ((state == TIMEOUT) && (jam_clock % 8 == 0)) {
for (clk = 0; clk < 4; clk += 1) {
write(0);
}
} else {
clk = (abs(period_clock / 10) / 60) * 100;
clk += abs(period_clock / 10) % 60;
write_num(clk, 4);
}
clk = ((jam_clock / 600) % 10) * 1000;
clk = clk + (jam_clock % 600);
clk = (abs(jam_clock / 600) % 10) * 1000;
clk += abs(jam_clock) % 600;
write_num(clk, 4);
write_num(score_b, 2);
#else
int i;
for (i = 0; i < 12; i += 1) {
write_num(sizeof(seven_segment_digits) - 1, 1);
}
#endif
latch();
pulse();
@ -182,6 +188,7 @@ nesprobe()
{
int i;
uint8_t state = 0;
uint8_t ret = 0;
P1OUT |= NESLTCH;
P1OUT &= ~NESLTCH;
@ -197,7 +204,11 @@ nesprobe()
P1OUT &= ~NESCLK;
}
return state;
// Only report button down events.
ret = (last_controller ^ state) & state;
last_controller = state;
return ret;
}
void
@ -205,18 +216,28 @@ update_controller()
{
uint8_t val = nesprobe();
if (val & 0x80) {
if (val & BTN_A) {
switch (state) {
case JAM:
jam_clock = 300;
jam_clock = -300;
state = LINEUP;
break;
default:
jam_clock = 600 * 2;
jam_clock = -600 * 2;
state = JAM;
break;
}
}
if (val & BTN_START) {
switch (state) {
case TIMEOUT:
break;
default:
state = TIMEOUT;
jam_clock = 1;
}
}
}
/*
@ -225,12 +246,23 @@ update_controller()
void
loop()
{
if (jam_clock) {
jam_clock -= 1;
switch (state) {
case SETUP:
break;
default:
if (jam_clock) {
jam_clock += 1;
}
}
if (period_clock) {
period_clock -= 1;
switch (state) {
case SETUP:
case TIMEOUT:
break;
default:
if (period_clock) {
period_clock += 1;
}
}
draw();
@ -247,7 +279,7 @@ main(void)
P1OUT = 0;
setup_gs();
//setup_gs();
setup_dc();
// Enable interrupts
@ -271,7 +303,7 @@ main(void)
loop();
P1OUT ^= BIT6;
//P1OUT ^= BIT6;
}
}
}