Pins.h File Reference

Containing defines and functions for basic pin initialization and handling. More...

#include <Arduino.h>
#include <util/delay.h>
#include <avr/io.h>

Go to the source code of this file.

Macros
#define	SET_REG_BIT(x, y)
	Set the bit at position y in register x.
#define	CLEAR_REG_BIT(x, y)
	Clear the bit at position y in register x.
#define	BIT_POS_TS_CS   PORTA3
	Bit position of the touch screen chip select.
#define	BIT_POS_TFT_CS   PORTB1
	Bit position of the TFT chip select line.
#define	BIT_POS_IO_EXP_CS   PORTB2
	Bit position of the on/off controls IO expander chip select line.
#define	BIT_POS_DDS_CS   PORTB3
	Bit position of the direct digital synthesis chip select line.
#define	BIT_POS_PS_CS   PORTB4
	Bit position of the power supply chip select line (Is SPI_SS line and must be output for master mode)
#define	PIN_NUMBER_TFT_A0   0
	Arduino pin number for the TFT A0 pin (PORTB0)
#define	PIN_NUMBER_TFT_CS   1
	Arduino pin number for the TFT chip select (PORTB1)
#define	PIN_NUMBER_IO_EXP_CS   2
	Arduino pin number for the on/off controls IO expander chip select line (PORTB2)
#define	PIN_NUMBER_DDS_CS   3
	Arduino pin number for the direct digital synthesis chip select line (PORTB3)
#define	PIN_NUMBER_PS_CS   4
	Arduino pin number for the power supply chip select line (Is SPI_SS line and must be output for master mode) (PORTB4)
#define	PIN_NUMBER_USB_RX   8
	Arduino pin number UART RX line (PORTD0)
#define	PIN_NUMBER_USB_TX   9
	Arduino pin number UART TX line (PORTD1)
#define	PIN_NUMBER_ENC_A   10
	Arduino pin number for the Encoder A line (PORTD2)
#define	PIN_NUMBER_ENC_B   11
	Arduino pin number for the Encoder B line (PORTD3)
#define	PIN_NUMBER_ENC_PB   12
	Arduino pin number for the Encoder push button line (PORTD4)
#define	PIN_NUMBER_DMM1_NEG   13
	Arduino pin number for the DMM1 negative voltage signal pin (PORTD5)
#define	PIN_NUMBER_DMM2_NEG   14
	Arduino pin number for the DMM2 negative voltage signal pin (PORTD6)
#define	PIN_NUMBER_IO_EXP_INT   15
	Arduino pin number for the on/off controls IO expander interrupt pin (PORTD7)
#define	PIN_NUMBER_KEY_C1   16
	Arduino pin number for the KeyPad column 1 line (PORTC0)
#define	PIN_NUMBER_KEY_C2   17
	Arduino pin number for the KeyPad column 2 line (PORTC1)
#define	PIN_NUMBER_KEY_C3   18
	Arduino pin number for the KeyPad column 3 line (PORTC2)
#define	PIN_NUMBER_KEY_C4   19
	Arduino pin number for the KeyPad column 4 line (PORTC3)
#define	PIN_NUMBER_KEY_R1   20
	Arduino pin number for the KeyPad row 1 line (PORTC4)
#define	PIN_NUMBER_KEY_R2   21
	Arduino pin number for the KeyPad row 2 line (PORTC5)
#define	PIN_NUMBER_KEY_R3   22
	Arduino pin number for the KeyPad row 3 line (PORTC6)
#define	PIN_NUMBER_KEY_R4   23
	Arduino pin number for the KeyPad row 4 line (PORTC7)
#define	PIN_NUMBER_ADC_PS_CUR   24
	Arduino pin number for the power supply current ADC input (PORTA0)
#define	PIN_NUMBER_ADC_PS_VOLT   25
	Arduino pin number for the power supply voltage ADC input (PORTA1)
#define	PIN_NUMBER_TOUCH_IRQ   26
	Arduino pin number for the touch screen IRQ pin (PORTA2)
#define	PIN_NUMBER_TOUCH_CS   27
	Arduino pin number for the touch screen CS pin (PORTA3)
#define	PIN_NUMBER_ADC_5V   28
	Arduino pin number for the 5V ADC input (PORTA4)
#define	PIN_NUMBER_ADC_3V3   29
	Arduino pin number for the 3.3V ADC input (PORTA5)
#define	PIN_NUMBER_ADC_DVM1   30
	Arduino pin number for the digital multimeter channel 1 ADC input (PORTA6)
#define	PIN_NUMBER_ADC_DVM2   31
	Arduino pin number for the digital multimeter channel 2 ADC input (PORTA7)
#define	SPI_SELECT_TOUCH   CLEAR_REG_BIT(PORTA, BIT_POS_TS_CS)
	SPI Chip selects.
#define	SPI_DESELECT_TOUCH   SET_REG_BIT(PORTA, BIT_POS_TS_CS)
	Deselect the touch screen by pulling the CS pin high.
#define	SPI_SELECT_TFT   CLEAR_REG_BIT(PORTB, BIT_POS_TFT_CS)
	Select the TFT by pulling the TFT_CS pin low.
#define	SPI_DESELECT_TFT   SET_REG_BIT(PORTB, BIT_POS_TFT_CS)
	Deselect the TFT by pulling the TFT_CS pin high.
#define	SPI_SELECT_DDS   CLEAR_REG_BIT(PORTB, BIT_POS_DDS_CS)
	Select the DDS DAC by pulling the DDS_CS pin low.
#define	SPI_DESELECT_DDS   SET_REG_BIT(PORTB, BIT_POS_DDS_CS)
	Deselect the DDS DAC by pulling the DDS_CS pin high.
#define	SPI_SELECT_PS   CLEAR_REG_BIT(PORTB, BIT_POS_PS_CS)
	Select the PS DAC by pulling the PS_CS pin low.
#define	SPI_DESELECT_PS   SET_REG_BIT(PORTB, BIT_POS_PS_CS)
	Deselect the PS DAC by pulling the PS_CS pin high.
#define	SPI_SELECT_IO_EXP   CLEAR_REG_BIT(PORTB, BIT_POS_IO_EXP_CS)
	Select the IO expander by pulling the IO_EXP_CS pin low.
#define	SPI_DESELECT_IO_EXP   SET_REG_BIT(PORTB, BIT_POS_IO_EXP_CS)
	Deselect the IO expander by pulling the IO_EXP_CS pin high.
#define	BITMASK_CS_PORTA   (1 << BIT_POS_TS_CS)
	Bitmask for the PortA SPI chip selects (1s mark chip select positions)
#define	BITMASK_CS_PORTB   (1 << BIT_POS_PS_CS) | (1 << BIT_POS_DDS_CS) | (1 << BIT_POS_IO_EXP_CS) | (1 << BIT_POS_TFT_CS)
	Bitmask for the PortB SPI chip selects (1s mark chip select positions)
#define	SPI_DESELECT_ALL   PORTA |= BITMASK_CS_PORTA; PORTB |= BITMASK_CS_PORTB;
	Disable all SPI chip selects (using direct port accesses)

Functions
void	Pins_Init ()
	Initialize all pins (directions and states).

Detailed Description

Containing defines and functions for basic pin initialization and handling.

Date

21.08.2020 22:38:54

Author

Markus Scheich

Macro Definition Documentation

CLEAR_REG_BIT

#define CLEAR_REG_BIT	(		x,
			y )

Value:

x &= ~(1 << y);

Clear the bit at position y in register x.

SET_REG_BIT

#define SET_REG_BIT	(		x,
			y )

Value:

x |= (1 << y);

Set the bit at position y in register x.

SPI_SELECT_TOUCH

#define SPI_SELECT_TOUCH   CLEAR_REG_BIT(PORTA, BIT_POS_TS_CS)

SPI Chip selects.

Select the touch screen by pulling the CS pin low