GPIOSignals

GPIO Signals

Within the source software, there are a number of references to GPIO pins with respect to specific functions. The following table attempts to collate all of the references:

INTERFACE	SOURCEFILE	FUNCTION
GPA0
GPA1
GPA2
GPA3
GPA4
GPA5
GPA6
GPA7
GPA8
GPA9
GPA10
GPA11
GPA12	reciva_lcd_ateam_4bit.c	as GPB2 - LDN0 = E1
	reciva_lcd_ateam_8bit.c	as GPB2 - LDN0 = E1
GPA13	reciva_lcd_ateam_4bit.c	as GPB3 - LDN1 = Not Used
	reciva_lcd_ateam_8bit.c	as GPB3 - LDN1 = Not Used
GPA14
GPA15
GPA16
GPA17
GPA18
GPA19
GPA20
GPA21
GPA22
GPB0	reciva_backlight_potas.c	Menu/Volume LEDs
GPB1	reciva_lcd_ateam_4bit.c	LDN4 = LCD Brightness
	reciva_lcd_ateam_8bit.c	LDN4 = LCD Brightness
GPB2	reciva_lcd_ateam_4bit.c	LDN0 = E1
	reciva_lcd_ateam_8bit.c	LDN0 = E1
GPB3	reciva_lcd_ateam_4bit.c	LDN1 = Not Used
	reciva_lcd_ateam_8bit.c	LDN1 = Not Used
GPB4
GPB5
GPB6
GPB7
GPB8
GPB9	reciva_keypad_generic.c	Keypad Column 3 (Config 1)
GPB10
GPB11
GPC0	reciva_lcd_ateam_4bit.c	LDN0 = E1
	reciva_lcd_ateam_8bit.c	as GPB2 - LDN0 = E1
GPC1	reciva_audio_mute.c	Mute Audio (option2)
	reciva_lcd_ateam_4bit.c	as GPB3 - LDN1 = Not Used
	reciva_lcd_ateam_8bit.c	as GPB3 - LDN1 = Not Used
GPC2	reciva_lcd_ateam_4bit.c	LDN2 = A0
	reciva_lcd_ateam_8bit.c	LDN2 = A0
GPC3	reciva_lcd_ateam_4bit.c	LDN3 = Not Used
	reciva_lcd_ateam_8bit.c	LDN3 = Not Used
GPC4	reciva_lcd_ateam_4bit.c	as GPB1 - LDN4 = LCD Brightness
	reciva_lcd_ateam_8bit.c	as GPB1 - LDN4 = LCD Brightness
GPC5	reciva_lcd_ateam_4bit.c	LDN5 = LCD Power
	reciva_lcd_ateam_8bit.c	LDN5 = LCD Power
GPC6
GPC7
GPC8	reciva_lcd_ateam_4bit.c
	reciva_lcd_ateam_8bit.c	LCDD0
GPC9	reciva_lcd_ateam_4bit.c
	reciva_lcd_ateam_8bit.c	LCDD1
GPC10	reciva_lcd_ateam_4bit.c
	reciva_lcd_ateam_8bit.c	LCDD2
GPC11	reciva_lcd_ateam_4bit.c
	reciva_lcd_ateam_8bit.c	LCDD3
GPC12	reciva_lcd_ateam_4bit.c	LCDD4
	reciva_lcd_ateam_8bit.c	LCDD4
GPC13	reciva_lcd_ateam_4bit.c	LCDD5
	reciva_lcd_ateam_8bit.c	LCDD5
GPC14	reciva_lcd_ateam_4bit.c	LCDD6
	reciva_lcd_ateam_8bit.c	LCDD6
GPC15	reciva_lcd_ateam_4bit.c	LCDD7
	reciva_lcd_ateam_8bit.c	LCDD7
GPD0
GPD1
GPD2
GPD3
GPD4
GPD5
GPD6
GPD7
GPD8	reciva_keypad_generic.c	Keypad Column 0
GPD9	reciva_keypad_generic.c	Keypad Column 1
GPD10	reciva_keypad_generic.c	Keypad Column 2
GPD11
GPD12
GPD13
GPD14
GPD15
GPE0
GPE1
GPE2
GPE3
GPE4
GPE5
GPE6
GPE7
GPE8
GPE9
GPE10
GPE11
GPE12
GPE13
GPE14	reciva_i2c_master.c	I2C SCL
	reciva_i2c_slave.c	I2C SCL
GPE15	reciva_i2c_master.c	I2C SDA
	reciva_i2c_slave.c	I2C SDA
GPF0
GPF1
GPF2
GPF3
GPF4
GPF5
GPF6
GPF7
GPG0
GPG1
GPG2
GPG3	reciva_audio_mute.c	Mute Audio (option1)
GPG4
GPG5	reciva_keypad_generic.c	Keypad Column 3 (Config 2)
GPG6
GPG7
GPG8	reciva_i2c_slave.c	I2C Address0
	reciva_keypad_generic.c	Keypad Row 0
GPG9	reciva_i2c_slave.c	I2C Address1
	reciva_keypad_generic.c	Keypad Row 1
GPG10	reciva_i2c_slave.c	I2C Address2
	reciva_keypad_generic.c	Keypad Row 2
GPG11	reciva_i2c_slave.c	I2C Address3
	reciva_keypad_generic.c	Keypad Row 3
GPG12
GPG13
GPG14
GPG15
GPH0
GPH1
GPH2
GPH3
GPH4
GPH5
GPH6
GPH7
GPH8
GPH9
GPH10

Got to reciva_lcd_ateam_8bit.c