/* this works on Teensy LC 1*bb, active low and active high

| Layout | **0** | **1** |
|:------:|-------|-------|
|  **0** | a     | b     |
|  **1** | c     | d     |
*/
// ################## GLOBAL ###################
// ================= INCLUDES ==================
#include <Debug.h>

//IOE Ports
#include "IOExpanderPort.h"
#include <RowPort_MCP23018.h>
#include <ColPort_MCP23018.h>

//Codes
#include <Code_Sc.h>

//Matrix
#include <Row_uC.h>
#include <SPI.h>
#include <Row_ShiftRegisters.h>

// =============== CONFIGURATION ===============
const unsigned int RowBase::DELAY_MICROSECONDS = 500;

//activeLow  has diode cathode (band) on row
//activeHigh has diode cathode (band) on col, and pull down resistors on cols
//0=active low, 1= active high
const bool RowScanner_PinsArray::activeHigh = 0;

Debug debug;

// ================ LEFT PORTS =================
uint8_t readPins[] = {14, 15};
uint8_t READ_PIN_COUNT = sizeof(readPins)/sizeof(*readPins);

// =================== CODES ===================
Code_Sc s_a(KEY_A);
Code_Sc s_b(KEY_B);
Code_Sc s_c(KEY_C);
Code_Sc s_d(KEY_D);

Code_Sc s_0(KEY_0);
Code_Sc s_1(KEY_1);
Code_Sc s_2(KEY_2);
Code_Sc s_3(KEY_3);
Code_Sc s_4(KEY_4);
Code_Sc s_5(KEY_5);
Code_Sc s_6(KEY_6);
Code_Sc s_7(KEY_7);
Code_Sc s_8(KEY_8);
Code_Sc s_z(KEY_Z);

// ================= LEFT ROWS =================
Key* ptrsKeys_L0[] = { &s_a, &s_b };
Row_uC row_L0(0, readPins, READ_PIN_COUNT, ptrsKeys_L0);

Key* ptrsKeys_L1[] = { &s_c, &s_d };
Row_uC row_L1(1, readPins, READ_PIN_COUNT, ptrsKeys_L1);

// ================= RIGHT ROWS ================
// typedef should be large in /home/wolfv/Documents/Arduino/keybrd_proj/keybrd/src/config_keybrd.h

/*
//prints 0 4
Key* ptrsKeys_R[] = { &s_0, &s_1, &s_2, &s_3,
                      &s_4, &s_5, &s_6, &s_7 }; //the most that 8-bit send() can handle
const uint8_t KEY_COUNT = sizeof(ptrsKeys_R)/sizeof(*ptrsKeys_R);
Row_ShiftRegisters row_R(9, 1, ptrsKeys_R, KEY_COUNT); // (SS, BYTE_COUNT,,)
*/
/*
//prints 0 4 8
Key* ptrsKeys_R[] = { &s_0, &s_z, &s_z, &s_z,
                      &s_4, &s_z, &s_z, &s_z,
                      &s_8, &s_z, &s_z, &s_z }; //the s_z are place holders and should not print
const uint8_t KEY_COUNT = sizeof(ptrsKeys_R)/sizeof(*ptrsKeys_R);
Row_ShiftRegisters row_R(9, 2, ptrsKeys_R, KEY_COUNT);
*/

//prints 0 4 8 c
Key* ptrsKeys_R[] = { &s_0, &s_z, &s_z, &s_z,
                      &s_4, &s_z, &s_z, &s_z,
                      &s_8, &s_z, &s_z, &s_z,
                      &s_c, &s_z, &s_z, &s_z }; //the s_z are place holders and should not print
const uint8_t KEY_COUNT = sizeof(ptrsKeys_R)/sizeof(*ptrsKeys_R);
Row_ShiftRegisters row_R(9, 2, ptrsKeys_R, KEY_COUNT);

const uint8_t LED_PIN = 16;

void wait()
{
    static uint8_t count = 0;

    //print count
    Keyboard.print(count);
    Keyboard.print(F(" "));
    count++;

    //blink LED
    digitalWrite(LED_PIN, HIGH);
    delay(900);
    digitalWrite(LED_PIN, LOW);
    delay(100);
}
// ################### MAIN ####################
void setup()
{
    pinMode (LED_PIN, OUTPUT);
    Keyboard.begin();
      wait(); //0
    SPI.begin();
      wait(); //1
    row_R.begin();
      wait(); //2
      wait(); //3
      wait(); //4
      wait(); //5 sometimes OS takes 6 seconds to recongnize keyboard, LED blinks from the begining
    Keyboard.print(F("keybrd_shift_reg.ino "));
    debug.print_free_RAM();
}

void loop()
{
    row_L0.process();
    row_L1.process();

    row_R.process();

    //row_R0.process();
    //row_R1.process();

//delay(100);
//Keyboard.println("");
}