' HL-K18 with PIC18F46K22 and I2CLib (Test Scan I2C)
' By COS, 2025/07/19, PIC18 OSHONSOFT v5.90
' *****************************************************************************************
' HL-K18 Jumper Configuration:
' General Jumpers on HL-K18: VCC, GND, PGC, PGD, OSC2, OSC1, VPP
' RS232 Interface: TX (Transmit), RX (Receive), BZ (Buzzer)
' Specific Jumpers for this setup: NONE
' Switches S2 and S4 should both be set to OFF.
' PICKIT2 Jumpers on HL-K18: Not used, external programmer.
'
' Description:
' Scan I2C: Displays the addresses of devices connected to the I2C bus via the serial port
' ****************************************************************************************

' Configuration of microcontroller fuses
' Setting up internal oscillator with 4x PLL to achieve 64MHz system clock,
' MCLR enabled For external reset
#define CONFIG1L = 0x00  ' Low Power Timer and memory settings
#define CONFIG1H = 0x38  ' External oscillator with PLL enabled
#define CONFIG2L = 0x1E  ' Brown-out Reset, Power-Up Timer
#define CONFIG2H = 0x3C  ' Watchdog Timer setup
#define CONFIG3L = 0x00  ' Low-voltage programming disabled
#define CONFIG3H = 0xBF  ' Port configuration options
#define CONFIG4L = 0x80  ' Stack overflow and underflow reset enabled
#define CONFIG4H = 0x00  ' Additional configuration bits
#define CONFIG5L = 0x0F  ' Code protection
#define CONFIG5H = 0xC0  ' Data EEPROM code protection
#define CONFIG6L = 0x0F  ' Write protection settings
#define CONFIG6H = 0xE0  ' Configuration protection bits
#define CONFIG7L = 0x0F  ' Boot block protection settings
#define CONFIG7H = 0x40  ' Configuration for block protection
' General configuration
#define CLOCK_FREQUENCY = 64  		' System clock frequency in MHz
#define SINGLE_DECIMAL_PLACES = 1	' Number of decimal places for floating-point operations
#define STRING_MAX_LENGTH = 35  	' Maximum length for string variables
'#define SIMULATION_WAITMS_VALUE = 1 'Activate only in simulation.
' -------------------------------------------------------------------------
'Include "_Pic18F46K22Lib.bas"
'Include "CLib.bas"
Include "I2CLib.bas"
Include "I2C_Scan.bas"
' -------------------------------------------------------------------------
' Main program
Main:
	'Clock internal 16Mhz x 4PLL.
	OSCCON = %01110000 	'Call _Setup_Oscillator(_OSC_16MHz_HF)
	OSCTUNE.PLLEN = 1 	'Call _SET_PLL4(_PLL_ON)
	RCON.IPEN = 0		'Call _Interrupts_Mode(_DISABLE_PRIORITY)
	'Call _SlewRate(_Enable) 'Enable by default.
	'**********************************************************************
    AllDigital  ' Set all pins to digital mode
    ' Set all ports as input
    TRISA = 0xFF  ' Set all PORTA pins as input
    TRISB = 0xFF  ' Set all PORTB pins as input
    TRISC = 0xFF  ' Set all PORTC pins as input
    TRISD = 0xFF  ' Set all PORTD pins as input
    TRISE = 0xFF  ' Set all PORTE pins as input
    ' ---------------------------------------------------------------------
    ' Initialize hardware UART at 115200 baud rate (using RC6 for TX and RC7 for RX)
    UART_Init 115200
    WaitMs 1  ' Delay for stabilization
    ' ---------------------------------------------------------------------
    ' Send initial message through UART
    UART_Write 0x0C  ' ASCII control character to clear screen
    WaitMs 100  ' Wait
    UART_Write "Ready", CrLf  ' Send "Ready" message with carriage return and line feed
	WaitMs 500 ' Wait
	'Initialize I2C 100kHZ (64Mhz)
	Init_I2C(100, 64)
	WaitMs 5

	' ---------------------------------------------------------------------
	TRISC.0 = 0
	Symbol Led = LATC.0 ' Led included in the EB_E2Prom pcb
	Led = 0
	WaitMs 50

	Led = 1
	UART_Write "EB_E2Prom PCB:", CrLf
	'UART1_Write "GY-85 PCB:", CrLf
	I2C_Scan()
	Led = 0
End

'GY-85 PCB:
'I2C device On: 0x000D
'I2C device On: 0x0053
'I2C device On: 0x0068
'Total devices: 3
'End scan

'EB_E2Prom PCB:
'I2C device On: 0x0049 -> DS1624
'I2C device On: 0x0050 -> ATMEL 24C04N (PAGE 1)
'I2C device On: 0x0051 -> ATMEL 24C04N (PAGE 2)
'Total devices: 3
'End scan

'PCF8574T I2C LCD PCB:
'I2C device On: 0x0027
'Total devices: 1
'End scan

'ADXL345 DIGITAL ACCELEROMETER PCB:
'I2C device On: 0x0053
'Total devices: 1
'End scan

'OLED de 1,3 pulgadas SPI/IIC comunicacióN color blanco/azul
'128X64 módulo de pantalla LED LCD OLED de 1,3:
'I2C device On: 0x003C
'Total devices: 1
'End scan

'LCD 12864 IIC 4P 128X64 I2C ST7567S matriz de puntos 128x64:
'I2C device On: 0x003C
'Total devices: 1
'End scan