TX/source/io.h

#ifndef IO_H_
#define IO_H_

#include "fsl_gpio.h"
#include <stdbool.h>

void io_expanderSet(uint8_t port, uint8_t pins, bool update);
void io_expanderClear(uint8_t port, uint8_t pins, bool update);
void io_expanderSetSafe(void);
void io_update(void);

#define LOW     0
#define HIGH    1

// GPIO
#define	IO_PORT0	0
#define IO_PORT1	1

#define PIN_VBUS        (IO_PORT1,  6)
#define PIN_SIG_CS 	    (IO_PORT1,  9)
#define	PIN_SD_CS 		(IO_PORT1, 10)
#define	PIN_RAMP_CS 	(IO_PORT1, 11)
#define PIN_SIG_RESET   (IO_PORT1, 12)
#define PIN_SD_RESET	(IO_PORT1, 13)
#define PIN_RAMP_RST	(IO_PORT1, 14)
#define	PIN_POWER_CTL	(IO_PORT1, 16)
#define PIN_ESTOP 		(IO_PORT1, 17)

#define PIN_KEY_UP 		(IO_PORT0,  2)
#define PIN_KEY_DOWN	(IO_PORT0,  3)
#define	PIN_POT_CS 	    (IO_PORT0,  7)
#define PIN_EEP_CS      (IO_PORT0, 10)
#define PIN_PORT_LE_CS  (IO_PORT0, 19)
#define	PIN_POT_CS2	    (IO_PORT0, 21)

#define _P1(p1, p2) p1
#define _P2(p1, p2) p2

#define PORT(port_pin) _P1 port_pin
#define PIN(port_pin)  _P2 port_pin

#define GPIO_WRITE(port_pin, value)    GPIO_PinWrite(GPIO, _P1 port_pin, _P2 port_pin, value )
#define GPIO_READ(port_pin)           GPIO_PinRead (GPIO, _P1 port_pin, _P2 port_pin)


// Shift Register Port Expander
#define UPDATE          true
#define NO_UPDATE       false

#define TOP_SR			0
#define MID_SR			1
#define	BOT_SR  		2

#define TAPS_OFF_MASK   0b11100111

// Bottom Shift Register (U35)
#define AMP_AB_SW       0b00000001
#define AMP_D_ON        0b00000010
#define AMP_PSU         0b00000100
#define TAP_204_LF      0b00001000
#define TAP_102_LF      0b00010000
#define BKLITE_ON       0b00100000
#define SLCT_AMP        0b01000000
#define V_GAIN          0b10000000

// Mid Shift Register (U33)
#define LF_BYPASS       0b00000001
#define SLCT_XFRMR      0b00000010
#define TAP_102_HF      0b00000100
#define SLCT_GRP        0b00001000
#define SLCT_OUTPUT     0b00010000
#define DAMP_EN         0b00100000
#define I_GAIN          0b01000000
#define ANT_AMP_EN      0b10000000

// Top Shift Register (U34)
#define MUX_AB_AMP      0b00000001
#define ANT_AMP_SW      0b00000010
#define EXTEND_PSU      0b00000100
#define OSC_MUX0        0b00001000
#define OSC_MUX1        0b00010000
#define RST_RF          0b00100000
#define TOP_SR_NC1      0b01000000
#define TOP_SR_NC2      0b10000000

#define _TAP1_LF_ON     (BOT_SR, TAP_102_LF | TAP_204_LF)
#define _TAP2_LF_ON     (BOT_SR, TAP_102_LF)
#define _TAP3_LF_ON     (BOT_SR, TAP_204_LF)
#define _TAP4_LF_ON     (BOT_SR, 0)

#define BYPASS_ON         (MID_SR   , LF_BYPASS)
#define BACKLIGHT_ON      (BOT_SR, BKLITE_ON)
#define AMP_AB_ON     	  (TOP_SR, MUX_AB_AMP)
#define BROADCAST_AMP_EN  (MID_SR, ANT_AMP_EN)
#define BROADCAST_AMP_PWR (TOP_SR, ANT_AMP_SW)

#define AMP_D_EN          (MID_SR, DAMP_EN)

#define _AMP_PSU_ON        (BOT_SR, AMP_PSU)



#define EXPANDER_SET(port_pins, update)   io_expanderSet  (_P1 port_pins, _P2 port_pins, update)
#define EXPANDER_CLEAR(port_pins, update) io_expanderClear(_P1 port_pins, _P2 port_pins, update)  


typedef struct 
{
   uint32_t port;
   uint32_t pin;
} gpio_pin_t;

void io_expanderClearAll(bool update);
void io_backlightOn(bool on, bool update);
void io_ampABOn(bool on, bool update);
void io_ampDOn(bool on, bool update);
void io_broadcastOn(bool on, bool update);
void io_ampPsuOn(bool on, bool update);

#endif