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Init of MOD_EXTRA_ROTARY_ENCODERS and ISR(USART2_RX_vect) code moved to board_gruvin9x.cpp

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This commit is contained in:
maxim.karban@gmail.com
2012-04-12 10:29:53 +00:00
parent f350666920
commit 6cacc7f2c7
2 changed files with 86 additions and 90 deletions
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src/board_gruvin9x.cpp
+86
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@@ -70,7 +70,93 @@ inline void board_init()
// Used for audio tone generation
TCCR0B = (1<<WGM02) | (0b011 << CS00);
TCCR0A = (0b01<<WGM00);
// Initialise global unix timestamp with current time from RTC chip on SD card interface
RTC rtc = {0,0,0,0,0,0,0};
struct gtm utm;
rtc_gettime(&rtc);
utm.tm_year = rtc.year - 1900;
utm.tm_mon = rtc.month - 1;
utm.tm_mday = rtc.mday;
utm.tm_hour = rtc.hour;
utm.tm_min = rtc.min;
utm.tm_sec = rtc.sec;
utm.tm_wday = rtc.wday - 1;
g_unixTime = mktime(&utm);
/***************************************************/
/* Rotary encoder interrupt set-up (V4 board only) */
// All external interrupts initialise to disabled. But maybe not after
// a WDT or BOD event? So to be safe ...
EIMSK = 0; // disable ALL external interrupts.
// encoder 1
EICRB = (1<<ISC60) | (1<<ISC50); // 01 = interrupt on any edge
EIFR = (3<<INTF5); // clear the int. flag in case it got set when changing modes
// encoder 2
EICRA = (1<<ISC30) | (1<<ISC20); // do the same for encoder 1
EIFR = (3<<INTF2);
EIMSK = (3<<INT5) | (3<<INT2); // enable the two rot. enc. ext. int. pairs.
/***************************************************/
/*
* SOMO set-up (V4 board only)
*/
OCR4A = 0x7d;
TCCR4B = (1 << WGM42) | (3<<CS40); // CTC OCR1A, 16MHz / 64 (4us ticks)
#ifdef MOD_EXTRA_ROTARY_ENCODERS
//configure uart2 here
DDRH &= ~(1 << 0);
PORTH &= ~(1 << 0);
#define MOD_EXTRA_ROTARY_ENCODERS_USART_BAUD 9600UL
UBRR2 = F_CPU/(16*MOD_EXTRA_ROTARY_ENCODERS_USART_BAUD)-1;
//9 bit mode
UCSR2C = (1<<USBS2)|(3<<UCSZ20);
UCSR2B = (1<<RXEN2)|(0<<TXEN2)|(1<<UCSZ22);
UCSR2B |= 1 << RXCIE2; //enable interrupt on rx
#endif //MOD_EXTRA_ROTARY_ENCODERS
}
#if defined(MOD_EXTRA_ROTARY_ENCODERS)
uint8_t vpotToChange = 0;
uint8_t vpot_mod_state = 0;
ISR(USART2_RX_vect)
{
//receive data from extension board
//bit 9 = 1 mean encoder number, following byte with bit 9 = 0 is increment value
/* Get status and 9th bit, then data */
/* from buffer */
//uint8_t status = UCSR2A;
uint16_t resh = UCSR2B;
uint16_t resl = UDR2;
uint16_t res = 0;
//if ( status & (1<<FEn)|(1<<DORn)|(1<<UPEn) )
/* Filter the 9th bit, then return */
resh = (resh >> 1) & 0x01;
res = ((resh << 8) | resl);
if((res & 0x100) == 0x100){
vpotToChange = res & 0xff;
vpot_mod_state = 1;
}else{
if(vpot_mod_state & (vpotToChange>0) & (vpotToChange<=NUM_EXTRA_ROTARY_ENCODERS))
{
int8_t vpot_inc = res & 0xff;
if(vpot_inc){
incRotaryEncoder(NUM_ROTARY_ENCODERS-NUM_EXTRA_ROTARY_ENCODERS+vpotToChange-1, vpot_inc);
}
vpot_mod_state = 0;
}
}
}
#endif //MOD_EXTRA_ROTARY_ENCODERS
#endif
uint8_t check_soft_power()