#ifndef INDICATOR_ASM
#define INDICATOR_ASM
//-------------------------------------------------------
/*
#define SEGM_DDR DDRC
#define SEGM PORTC //PC1..PC4 - 1..4 segment cathodes
#define CATHODE_MASK 0xE1 //1110.0001 - mask for turning off pins [1..4]
#define SEC_DOTS 0x80 //'mask' for switching on central dots on indicator panel
#define SEGM1_ON SEGM |= (1<<1) //PORTC 1
#define SEGM2_ON SEGM |= (1<<2) //PORTC 2
#define SEGM3_ON SEGM |= (1<<3) //PORTC 3
#define SEGM4_ON SEGM |= (1<<4) //PORTC 4
#define SEGM_OFF SEGM &= CATHODE_MASK
//#define SEGM_DDR_OFF SEGM_DDR &= CATHODE_MASK
#define HC595 PORTB
#define DS 0 //data
#define ST 2 //locking
#define SH 1 //clock
#define DATA_HI HC595 |= (1<<DS)
#define DATA_LOW HC595 &= ~(1<<DS)
#define CLK_HI HC595 |= (1<<SH)
#define CLK_LOW HC595 &= ~(1<<SH)
#define LOCK_HI HC595 |= (1<<ST)
#define LOCK_LOW HC595 &= ~(1<<ST)
#define CLEAR_OFF PORTD |= (1<<MR)
#define CLEAR_ON PORTD &= ~(1<<MR)
*/
//-------------------------------------------------------
// IN: R22
indicator_send_data:
PUSH R16
LDI R16, 8
send_data_loop:
mDATA_LOW
mCLK_LOW
SBRC R22, 0 ; skip next if bit 0 is set
mDATA_HI
mCLK_HI
LSR R22 ; right shift for correct SBRC R22,0
DEC R16 ; dec counter
BRNE send_data_loop ; while counter > 0 do loop
mCLK_LOW
mDATA_LOW
POP R16
RET
/*
//for indicator with common cathode
//D0..D7 == A,B,C,D,F,G,DP
#define DIG1 0x06;
#define DIG2 0x5B;
#define DIG3 0x4F;
#define DIG4 0x66;
#define DIG5 0x6D;
#define DIG6 0x7D;
#define DIG7 0x07;
#define DIG8 0x7F;
#define DIG9 0x6F;
#define DIG0 0x3F;
IN: R22 - digit in DEC
OUT: R22 - code for indicator
*/
indicator_get_code:
CPI R22, 0
BREQ get_code_0
CPI R22, 1
BREQ get_code_1
CPI R22, 2
BREQ get_code_2
CPI R22, 3
BREQ get_code_3
CPI R22, 4
BREQ get_code_4
CPI R22, 5
BREQ get_code_5
CPI R22, 6
BREQ get_code_6
CPI R22, 7
BREQ get_code_7
CPI R22, 8
BREQ get_code_8
CPI R22, 9
BREQ get_code_9
get_code_0:
LDI R22, 0x3F
RET
get_code_1:
LDI R22, 0x06
RET
get_code_2:
LDI R22, 0x5B
RET
get_code_3:
LDI R22, 0x4F
RET
get_code_4:
LDI R22, 0x66
RET
get_code_5:
LDI R22, 0x6D
RET
get_code_6:
LDI R22, 0x7D
RET
get_code_7:
LDI R22, 0x07
RET
get_code_8:
LDI R22, 0x7F
RET
get_code_9:
LDI R22, 0x6F
RET
indicator_clear_state:
mCLEAR_ON ;
mLOCK_HI ;
mCLEAR_OFF ;
mLOCK_LOW ;
RET
indicator_turn_off:
PUSH R16
IN R16, INDICAT
ANDI R16, INDICAT_MASK
OUT INDICAT, R16
POP R16
RET
#endif
