void initLcd()
{
int i,j;
// 4 bits mode, 2 lines
lcdCmd(0x20);
_delay_ms(10);
lcdCmd(0x20);
_delay_ms(10);
// cursor shift right, text no shift
lcdCmd(0x18);
_delay_ms(20);
// display on, no cursor, no blink
lcdCmd(0x0c);
_delay_ms(20);
// shift mode
lcdCmd(0x06);
_delay_ms(20);
// home
lcdCmd(0x02);
_delay_ms(20);
// clear display
lcdCmd(0x01);
_delay_ms(20);
// define custom chars
lcdCmd(0x40);
for (i=0; i<3; i++) {
for (j=0; j<8; j++) {
lcdData(smeter[i][j]);
}
}
}
void stopWatchReload(void) {
char min[4];
char sec[4];
char down[4];
if(swMode==1) {
if(sw_down==99) {
if(sw_sec==59) {
if(sw_min==59) {
} else {
sw_down=0;
sw_sec=0;
sw_min++;
}
} else {
sw_down=0;
sw_sec++;
}
} else {
sw_down++;
}
}
lcdCmd(0x80);///カーソルを先頭に移動
ByteToStr(sw_min,min);
if(sw_min<10) {
min[1]='0';
}
lcd_str(1,min);
ByteToStr(sw_sec,sec);
if(sw_sec<10) {
sec[1]='0';
}
sec[0]=':';
lcd_str(0,sec);
ByteToStr(sw_down,down);
if(sw_down<10) {
down[1]='0';
}
down[0]='.';
lcd_str(0,down);
}
void lcdInit(void)
{
_lcd_init();
lcdPrepareWrite();
CMD_SLEEP_MS(16); // 16 ms
lcdWriteData(3); // 8bit mode
pulse_e();
CMD_SLEEP_MS(5); // 4992 us
pulse_e(); // Repeat 8bit mode
CMD_SLEEP_MS(1); // 64 us
pulse_e(); // Third repeat
CMD_SLEEP_MS(1); // 64 us
// lcdWriteData(2); // Change to 4bit mode (0x20)
// pulse_e();
lcdCmd(LCD_CMD_INIT8);
/*
lcdCmd(0x24);
lcdCmd(0x09);
lcdCmd(0x20);
*/
lcdCmd(0x08);
lcdCmd(0x01);
lcdCmd(0x06);
lcdCmd(0x0C);
lcdCmd(0x80);
/*
lcdCmd(0x02);
*/
/*
lcdCmd(LCD_SET_DM | LCD_DM_DISPLAY_ON);
lcdCmd(LCD_SET_INCREMENT_MODE);
*/
#ifdef WRAPEN
cur_col = 0;
cur_row = 0;
#endif
}
void displaySmeter(int level)
{
short n = 16;
lcdCmd(0xc0);
// chars in the full bar are 3 vertical lines
while(level>=3 && n>0) {
lcdData(2);
level -= 3;
n--;
}
// last char 0, 1 or 2 lines
switch (level) {
case 2: lcdData(1); break;
case 1: lcdData(0); break;
default: lcdData(' '); break;
}
// clear any chars to the right
while (--n > 0) lcdData(' ');
}
/*
* Application entry point.
*/
int main(void) {
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
/*
* Activates the serial driver 2 using the driver default configuration.
*/
sdStart(&SD2, NULL);
/*
* This initialization requires the OS already active because it uses delay
* APIs inside.
*/
lcdInit();
lcdCmd(LCD_CLEAR);
lcdPuts(LCD_LINE1, " ChibiOS/RT ");
lcdPuts(LCD_LINE2, " Hello World! ");
/*
* Starts the LED blinker thread.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
while(TRUE) {
if (!palReadPad(IOPORT1, PORTA_BUTTON1))
TestThread(&SD2);
chThdSleepMilliseconds(500);
}
}
void lcdShiftTextLeft() {
lcdCmd(0x18);
}
void lcdDecrementCursor() {
lcdCmd(0x10);
}
void lcdShiftTextRight() {
lcdCmd(0x1C);
}
void lcdRowTwoHome() {
lcdCmd(0xC0);
}
void lcdIncrementCursor() {
lcdCmd(0x14);
}
void singleHeight(void) {
lcdCmd(0x38);
}///N=1/DH=0
void lcdHome() {
lcdCmd(0x80);
}
int main()
{
long int savedfreq = 0;
int s, c;
unsigned char sw=0;
// PORTB output for LCD
DDRB = 0xff;
PORTB = 0xff;
#ifdef BOARD2
// PORTC PC0-4 output, PC5 input
DDRC = 0x1f;
PORTC = 0x00;
sbi(PORTC, MUTE);
#endif
#ifdef BOARD1
// PORTC PC0,2-5 output, PC1 input
DDRC = 0x3d;
PORTC = 0x00;
sbi(PORTC, MUTE);
#endif
// PORTD is input with pullup
DDRD = 0x00;
PORTD = 0xff;
initLcd();
initADC();
// set reference freq
fref = eeprom_read_word((unsigned int *)0x00);
if (fref < 2000 || (fref % 100) != 0) {
fref = 12000;
eeprom_write_word((unsigned int *)0x00, fref);
}
// read squelch level from eeprom
muteval = eeprom_read_word((unsigned int *)0x0c);
if (muteval < 0 || muteval > 100) {
muteval = 0;
eeprom_write_word((unsigned int *)0x0c, muteval);
}
// read last frequency from eeprom
freq = eeprom_read_dword((unsigned long int *)0x10);
if (freq < 1240000UL || freq > 1300000UL) {
freq = 1298375UL;
eeprom_write_dword((unsigned long int *)0x10, freq);
}
// read shift from eeprom
shift = eeprom_read_word((unsigned int *)0x18);
if (shift < 60000UL || shift > 60000UL) {
shift = -28000UL;
eeprom_write_word((unsigned int *)0x18, shift);
}
// read tone (*10) from eeprom
tone = eeprom_read_word((unsigned int *)0x1c);
if (tone < 650 || tone > 1500) {
tone = 650;
eeprom_write_word((unsigned int *)0x1c, tone);
}
initInterrupts();
initPLL(freq - IF);
update();
sprintf(str, "JPD 23cm v%s", version);
lcdCmd(0x80);
lcdStr(str);
_delay_ms(500);
for (;;) {
lcdCmd(0x80);
lcdStr("VFO ");
lcdCmd(0xc0);
lcdStr(" ");
update();
for (;;) {
// read switches on PORTD
sw = PIND;
// switch from tx to rx??
if (tx && (sw & (1<<PTT) )) {
cbi(PORTC, TXON);
// switch TX off
tx = FALSE;
// TCCR2A &= ~(1<<COM2A1);
update();
}
// switch from rx to tx?
else if (!tx && !(sw & (1<<PTT) )) {
tx = TRUE;
displaySmeter(0);
// switch TX on
sbi(PORTC, TXON);
sbi(PORTC, MUTE);
// if (tone > 650) {
// TCCR2A |= (1<<COM2A1);
// }
update();
}
if (!tx) {
s = readSmeter();
displaySmeter(s);
if (s > muteval)
cbi(PORTC, MUTE);
else
sbi(PORTC, MUTE);
}
// switch shift off
if ( (shiftSwitch == TRUE) && (sw & (1<<SHIFTKEY) )) {
shiftSwitch = FALSE;
update();
}
// switch shift on
else if ( (shiftSwitch == FALSE) && !(sw & (1<<SHIFTKEY) )) {
shiftSwitch = TRUE;
update();
}
// save vfo frequency in eeprom after ~2 secs inactivity
if (tick > 200) {
if (freq != savedfreq) {
eeprom_write_dword((unsigned long int *)0x10, freq);
savedfreq = freq;
}
}
// handle encoder pulses
c = handleRotary();
if (c!=0) {
if (c>0) {
freq += step;
}
else {
freq -= step;
}
tick = 0;
update();
}
if (rotaryPushed()) {
doMenu();
break;
}
}
}
}
void lcdRowTwoHome() {
lcdCmd(0xC0);
_delay_us(3300);
}
void doMenu()
{
int s, c=1, quit = FALSE;
menu = 0;
do {
// first time and at an update display the value
if (c!=0) {
lcdCmd(0x80);
lcdStr(menuStr[menu]);
switch (menu) {
case MUTEVAL:
sprintf(str, " %d ", muteval);
break;
case FSHIFT:
sprintf(str, " %+2ld MHz ", shift/1000);
break;
case CTCSS:
if (tone>650)
sprintf(str, " %d.%01d Hz ", tone/10, tone-(tone/10)*10 );
else
sprintf(str, " off ");
break;
case FREF:
sprintf(str, " %d.%01d MHz ", fref/1000, fref-(fref/1000)*1000);
break;
default:
sprintf(str, " ");
break;
}
lcdCmd(0xc0);
lcdStr(str);
}
// handle encoder
c = handleRotary();
if (c!=0) {
menu += c;
if (menu>4) menu = 0;
if (menu<0) menu = 4;
}
if (rotaryPushed()) {
lcdCmd(0x80);
lcdData(' ');
lcdCmd(0xc0);
lcdData('>');
switch (menu) {
case MUTEVAL:
lcdCmd(0xc5);
for (;;) {
c = handleRotary();
if (c!=0) {
if (c>0) {
if (++muteval > 100) muteval = 100;
}
else {
if (--muteval < 0) muteval = 0;
}
lcdCmd(0xc0);
sprintf(str, "> %d ", muteval);
lcdStr(str);
s = readSmeter();
if (s > muteval)
cbi(PORTC, MUTE);
else
sbi(PORTC, MUTE);
}
if (rotaryPushed()) {
eeprom_write_word((unsigned int *)0x0c, muteval);
break;
}
}
break;
case FSHIFT:
lcdCmd(0xc5);
for (;;) {
c = handleRotary();
if (c!=0) {
if (c>0) {
shift += 1000;
if (shift>60000) shift = 60000;
}
else {
shift -= 1000;
if (shift<-60000) shift = -60000;
}
lcdCmd(0xc0);
sprintf(str, "> %+2ld MHz ", shift/1000);
lcdStr(str);
}
if (rotaryPushed()) {
eeprom_write_word((unsigned int *)0x18, shift);
break;
}
}
break;
case CTCSS:
lcdCmd(0xc5);
for (;;) {
c = handleRotary();
if (c!=0) {
if (c>0) {
tone++;
}
else {
tone--;
if (tone<650) tone = 650;
}
lcdCmd(0xc0);
if (tone>650)
sprintf(str, "> %d.%01d Hz ", tone/10, tone-(tone/10)*10 );
else
sprintf(str, "> off ");
lcdStr(str);
toneCount = 5*F_CPU/tone; // *10/2
// T1 counter, Hz*10, 16 samples/period
// toneCount = 10*F_CPU/(tone*16);
}
if (rotaryPushed()) {
eeprom_write_word((unsigned int *)0x1c, tone);
break;
}
}
break;
case FREF:
lcdCmd(0xc5);
for (;;) {
c = handleRotary();
if (c!=0) {
if (c>0) {
fref += 100;
}
else {
fref -= 100;
}
lcdCmd(0xc0);
sprintf(str, "> %d.%01d MHz ", fref/1000, fref-(fref/1000)*1000 );
lcdStr(str);
}
if (rotaryPushed()) {
eeprom_write_word((unsigned int *)0x00, fref);
initPLL(freq - IF);
break;
}
}
break;
case BACK:
quit = TRUE;
default:
break;
}
lcdCmd(0x80);
lcdData('>');
lcdCmd(0xc0);
lcdData(' ');
}
} while (!quit);
}
void lcdHome() {
lcdCmd(0x80);
_delay_us(3300);
}
/*
* Writes a string on the LCD at an absolute address.
*/
void lcdPuts(uint8_t pos, char *p) {
lcdCmd(LCD_SET_DDRAM_ADDRESS | pos);
while (*p)
lcdPutc(*p++);
}
void lcdClear(void) {
lcdCmd(0x01);
}
void doubleHeight(void) {
lcdCmd(0x34);
}///N=0/DH=1
void AQM1248A::initLCD()
{
lcdCmd(0xAE); //Display = OFF
lcdCmd(0xA0); //ADC = normal
lcdCmd(0xC8); //Common output = revers
lcdCmd(0xA3); //LCD bias = 1/7
//内部レギュレータON
lcdCmd(0x2C);
delay(2);
lcdCmd(0x2E);
delay(2);
lcdCmd(0x2F);
//コントラスト設定
lcdCmd(0x23); //Vo voltage regulator internal resistor ratio set
lcdCmd(0x81); //Electronic volume mode set
lcdCmd(0x1C); //Electronic volume register set
//表示設定
lcdCmd(0xA4); //Display all point ON/OFF = normal
lcdCmd(0x40); //Display start line = 0
lcdCmd(0xA6); //Display normal/revers = normal
lcdCmd(0xAF); //Dsiplay = ON
}
void lcdClear() {
lcdCmd(0x01);
_delay_us(3300);
}
void clearLcd(void)
{
// Send command to LCD (0x01)
lcdCmd(0x01);
}
void lcdOff(void) {
lcdCmd(0x08);
lcdIsOn = 0;
}