void timer_event(GR_EVENT_TIMER *ev, nxeyes_state *state)
{
if(ev->tid != state->tid) return;
/* Must free timer - even though it's fired, the handle and data structure live on. */
GrDestroyTimer(state->tid);
state->tid = 0;
if(state->eyes_closed) {
state->eyes_closed = 0;
start_blink_timer(state);
} else {
state->eyes_closed = 1;
start_blink_timer(state);
}
draw_eyes(state, 1);
}
nxeyes_state *init(void)
{
nxeyes_state *state;
GR_REGION_ID rid1, rid2;
GR_SCREEN_INFO si;
GR_WM_PROPERTIES props;
if(!(state = malloc(sizeof(nxeyes_state)))) return NULL;
state->oldx = state->oldy = state->x = state->y = 0;
state->button_down = state->eyes_closed = state->quit = 0;
state->olx = state->orx = EYEMASK_WIDTH / 2;
state->oly = state->ory = EYEMASK_HEIGHT / 2;
GrGetScreenInfo(&si);
state->mousex = si.xpos;
state->mousey = si.ypos;
state->mouse_moved = 1;
state->gc = GrNewGC();
GrSetGCForeground(state->gc, GR_COLOR_WHITE);
GrSetGCBackground(state->gc, GR_COLOR_BLACK);
state->wid = GrNewWindow(GR_ROOT_WINDOW_ID, 0, 0, (EYEFG_HEIGHT * 2) +
EYE_SPACING, EYEFG_HEIGHT, 0, GR_COLOR_WHITE, 0);
rid1 = GrNewBitmapRegion(eyemask_bits, EYEMASK_WIDTH, EYEMASK_HEIGHT);
rid2 = GrNewBitmapRegion(eyemask_bits, EYEMASK_WIDTH, EYEMASK_HEIGHT);
GrOffsetRegion(rid2, EYEMASK_WIDTH + EYE_SPACING, 0);
GrUnionRegion(rid1, rid1, rid2);
GrSetWindowRegion(state->wid, rid1, GR_WINDOW_BOUNDING_MASK);
GrDestroyRegion(rid1);
GrDestroyRegion(rid2);
props.flags = GR_WM_FLAGS_PROPS;
props.props = GR_WM_PROPS_NODECORATE;
GrSetWMProperties(state->wid, &props);
GrSelectEvents(state->wid, GR_EVENT_MASK_CLOSE_REQ |
GR_EVENT_MASK_MOUSE_POSITION |
GR_EVENT_MASK_BUTTON_UP |
GR_EVENT_MASK_BUTTON_DOWN |
GR_EVENT_MASK_EXPOSURE |
GR_EVENT_MASK_TIMER);
GrSelectEvents(GR_ROOT_WINDOW_ID, GR_EVENT_MASK_MOUSE_POSITION);
GrMapWindow(state->wid);
srand(123);
#if MW_FEATURE_TIMERS
start_blink_timer(state);
#endif
return state;
}
/******************************************************************************
* File: main.c
* Author: Kevin Day
* Date: February, 2005
* Description:
* Main program for audi radio interface
*
* Copyright (c) 2005 Kevin Day
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/io.h>
#include <avr/wdt.h>
#include "types.h"
#include "tasks.h"
#include "comms_generic.h"
#include "timers.h"
#include "adc.h"
#include "persist.h"
#include "hcms.h"
#include "gpsavr.h"
#include "hud.h"
#include "spimaster.h"
#include "avrcan.h"
#include "avrms2.h"
#include "swuart.h"
#include "hwi2c.h"
#include "adcgauges.h"
#include "miscgpio.h"
#include "sensors.h"
#define LED_PORT PORTG
#define LED_DIR DDRG
#define LED_PIN PING
#define LED_BIT 0
#define ANT_PORT PORTB
#define ANT_DIR DDRB
#define ANT_PIN PINB
#define ANT_BIT 2
void debug_led(u8 val);
static inline void start_blink_timer();
void bufferpool_init();
task_t* comms_task_create();
task_t *radio_input_task_create();
#define STACK_CANARY 0xC5
void StackPaint(void) __attribute__ ((naked)) __attribute__ ((section (".init1")));
void StackPaint(void)
{
#if 0
uint8_t *p = &_end;
while(p <= &__stack)
{
*p = STACK_CANARY;
p++;
}
#else
__asm volatile (" ldi r30,lo8(_end)\n"
" ldi r31,hi8(_end)\n"
" ldi r24,lo8(0xc5)\n" /* STACK_CANARY = 0xc5 */
" ldi r25,hi8(__stack)\n"
" rjmp .cmp\n"
".loop:\n"
" st Z+,r24\n"
".cmp:\n"
" cpi r30,lo8(__stack)\n"
" cpc r31,r25\n"
" brlo .loop\n"
" breq .loop"::);
#endif
}
extern uint8_t __heap_start; /* not _end because of .bufferpool */
extern uint8_t __stack;
uint16_t StackCount(void)
{
const uint8_t *p = &__heap_start;
uint16_t c = 0;
while(*p == STACK_CANARY && p <= &__stack)
{
p++;
c++;
}
return c;
}
#define ADC_CONTEXTS 8
adc_context_t adc_context[ADC_CONTEXTS];
u8 num_adc;
u16 stack_high;
#define DISPAVR_RESET_PIN 4 /* on port B */
int main()
{
u8 mcusr_rst = MCUSR;
MCUSR = 0;
wdt_disable();
wdt_enable(WDTO_2S);
/* Disable JTAG so the ADC pins are available.
* Don't do this if the JTAG reset flag is set --
* presumably the jtag pod is connected in that
* case. */
if (! (mcusr_rst & (1<<JTRF)))
{
MCUCR |= (1<<JTD);
}
/* Assert remote AVR reset */
PORTB &= ~(1<<DISPAVR_RESET_PIN);
DDRB |= (1<<DISPAVR_RESET_PIN);
bufferpool_init();
init_persist_data();
systimer_init();
//fuel_gauge_init(&adc_context[num_adc++]);
num_adc = sensors_init(&adc_context[num_adc], num_adc);
adc_init_adc(ADC_DIV128, num_adc, adc_context);
/* Deassert remote AVR reset */
PORTB |= (1<<DISPAVR_RESET_PIN);
spimaster_init();
init_avrms2();
// swuart_init();
/* Enable interrupts */
sei();
/* Populate the tasklist in priority order */
tasklist[num_tasks++] = comms_task_create();
tasklist[num_tasks++] = gps_task_create();
tasklist[num_tasks++] = can_task_create();
tasklist[num_tasks++] = hud_task_create();
// tasklist[num_tasks++] = i2c_task_create();
tasklist[num_tasks++] = gpio_task_create();
//
start_blink_timer();
/* non-preemptive static priority scheduler */
while(1)
{
wdt_reset();
u8 taskidx;
u8 r;
for(taskidx=0; taskidx<num_tasks; taskidx++)
{
r = tasklist[taskidx]->taskfunc();
if (r)
break;
}
if (r == 0)
{
stack_high = StackCount(); /* only run this after all tasks run */
}
}
}