;______________________________________
;         GESTION DE LCD I2C
; Matériel : 	ATtiny 45/85 4MHz 5V
; 				LCD1602 I²C
; (c) sammy76.free.fr
;	V1.0 2016/06/01 Juin 2016
;______________________________________
; V1.0 ESSAI
;        ATtiny45 - 8MHz interne
;             +-\/-+
; 	     PB5 1|-  -|8  Vcc
;Trigger PB3 2|-  -|7  PB2 SENSELED
;   Echo PB4 3|-  -|6  PB1 SDA
;		 GND 4|-  -|5  PB0 SCL
;             +----+
;Registres utilisés r16 (A),r19 (Adresse I²C=ADR), r20 (DATA)
;
.include "../includes/tn85def.inc"
.cseg

.define F_CPU 16500000 ;16.5MHz
.def	A		= r16	;
.equ  	SENSELED=PB1   ;  SENSELED pin (Output on AVR)
 
;-----------------------------------------------------------------
	.org 0000
;************************************************
;* Interrupt Vectors				      *
;************************************************
zRESET:			; Reset Handler
	rjmp		ON_RESET
zINT0addr:		; External Interrupt 0
	reti
zPCI0addr:		; Pin change Interrupt Request 0
	reti
zOC1Aaddr:		; Timer/Counter1 Compare Match 1A
	reti
zOVF1addr:		; Timer/Counter1 Overflow
	reti
zOVF0addr:		; Timer/Counter0 Overflow
	reti
zERDYaddr:		; EEPROM Ready
	reti
zACIaddr:		; Analog comparator
	reti
zADCCaddr:		; ADC Conversion ready
	reti
zOC1Baddr:		; Timer/Counter1 Compare Match B
	reti
zOC0Aaddr:		; Timer/Counter0 Compare Match A
	reti
zOC0Baddr:		; Timer/Counter0 Compare Match B
	reti
zWDTaddr:		; Watchdog Time-out
	reti		;rjmp		WDTinterrupt
zUSI_STARTaddr:	; USI START
	reti
zUSI_OVFaddr:	; USI Overflow
	reti
;***** Include modules

.include 	"../utils/i2c_attiny.inc"
.include 	"../utils/lcd_.inc"
.include 	"../utils/wait.inc"
.include 	"../utils/DS3231.inc"
;MACRO

;______________________________________
;           SETUP
;______________________________________
ON_RESET:
	ldi A, LOW(RAMEND)        	;Setup of stack pointer 0x15F
	out SPL, A
	ldi A, HIGH(RAMEND)
	out SPH, A

	ldi	A, 0b10000000		;Attention, ces 2 instructions sont importantes pour le changement de fréquence (sécurité AVR)
	out	CLKPR,A
	ldi	A, 0b0000000		;divise par 0le clock RC de 8MHz, donc 8MHz
	out	CLKPR,A
	
	;Eteint le CAN
	cbi	ADCSRA, ADEN		;switch Analog to Digitalconverter OFF
	
	
;______________________________________
;	     BOUCLE PRINCIPALE
;______________________________________
	rcall	LCD_Init
	ldi		DATA,0x40			;chr 0
	rcall	LCD_DATA_write_cmd
	ldi 	ZL,LOW(copyright<<1)
	ldi		ZH,HIGH(copyright<<1)
	rcall	LCD_write_string
	
	ldi		DATA,0x48			;chr 1
	rcall	LCD_DATA_write_cmd
	ldi 	ZL,LOW(deg<<1)
	ldi	ZH, HIGH(deg<<1)
	rcall	LCD_write_string;	
	
	ldi		DATA,0x50			;chr 2
	rcall	LCD_DATA_write_cmd
	ldi 	ZL, LOW(e_acc<<1)
	ldi		ZH, HIGH(e_acc<<1)
	rcall	LCD_write_string;	
	
MAIN_LOOP:	
	rcall 	DS3231_read_all
	rcall	LCD_clear
	ldi 	ZL, LOW(txt1<<1)
	ldi		ZH, HIGH(txt1<<1)
	rcall	LCD_write_string
	ldi		DATA,0xC0		;Ligne 2 1100 0000 0x40 
	rcall	LCD_DATA_write_cmd
	ldi 	ZL, LOW(date_txt<<1)
	ldi		ZH, HIGH(date_txt<<1)
	rcall	LCD_write_string_sram
	
	ldi		A, 1
	rcall	Waitseconds
	rcall	LCD_clear
	ldi 	ZL, LOW(txt3<<1)
	ldi		ZH, HIGH(txt3<<1)
	rcall	LCD_write_string
	
	ldi		DATA,0xC3		;Ligne 2 1100 0101 0x43
	rcall	LCD_DATA_write_cmd
	ldi 	ZL, LOW(temp_txt<<1)
	ldi		ZH, HIGH(temp_txt<<1)
	rcall	LCD_write_string_sram
	
	rcall	I2CStop

BOUCLE:
	rcall 	CLIGNOTE
END:
	ldi		A, 1
	rcall	Waitseconds
	RJMP  MAIN_LOOP         ; MAIN LOOP DOES NOTHING (YET).

;______________________________________
CLIGNOTE:
	sbi		DDRB,SENSELED
	SBI   	PORTB,SENSELED	;Allume LED
	ldi		A, 200			;200ms
	rcall	WaitMiliseconds
	CBI   	PORTB,SENSELED	;ETeind LED
	ret

;------------------------------------------------------------------

copyright: 	.db  0b01110, 0b10101, 0b11011, 0b11001, 0b11001, 0b11011, 0b10101, 0b01110,0xFF,0
deg:		.db  0b00110, 0b01001, 0b01001, 0b00110, 0b00000, 0b00000, 0b00000, 0b00000,0xFF,0
e_acc:		.db  0b00010, 0b00100, 0b01110, 0b10001, 0b11111, 0b10000, 0b01110, 0b00000,0xFF,0
txt1: 	.db "Nous sommes le :", 0xFF,0
txt3:	.db "La temp",2,"rature :", 0xFF,0
.dseg
	.org 0x60
now: .byte 0x12
date_txt: .byte 17 ;08.11.2016 06:16 +0xFF
temp_txt: .byte 6 ;25.25 +0xFF