Traditional C-style implementation for any program using Smart Response PE

// Name: main.c
// Project: C:\Users\Ray\Documents\Workarea\SMART_PE\Keyboard Template
// Author: Stephen Erisman <github@serisman.com>
// Creation Date: 2018-09-21
// License: MIT

#include "Arduino.h"
#include "hal.h"
#include "util.h"
#include "string_utils.h"
#include "clock.h"
#include "display.h"
#include "keypad.h"

#define FPS                 30u

char __xdata str_buf[12];
uint32_t Results = 0;

void setup() {
oscillator_32mhz();
clock_init();
ENABLE_INTERRUPTS;
display_init();
display_set_frame_rate(FPS);
}

void loop() {
  // Wait until its time to render our next frame
  if (!display_next_frame())
    return;

  keypad_poll();
  // Display Hello World!
  display_set_cursor(0,0); // line 1 of 5
  display_print("Hello World! v251114");

  if (keypad_any_pressed()) {
    // Display the name of any currently pressed buttons
    for (uint8_t col=0; col<4; col++) {
      for (uint8_t row=0; row<8; row++) {
        uint8_t mask = util_bit_to_mask[row];
        if (keypad_pressed(col, mask)) {
          // display_set_cursor(3,25);
          // display_print(keypad_get_button_name(col, mask));
          // display_print(" pressed! == ");
  Results = (uint8_t)(row * 5 + col);
  u32_to_str(str_buf, Results);
  // display_print(str_buf);
        }
      }
    }

display_set_cursor(0, 10); // line 2 of 5
switch (Results)
{
case 0: // Enter
display_print("Enter Key");
break;
case 1: // Lf arrow 
display_print("Check Mark");
break;
case 2: // Rt arrow
display_print("Cancel Key");
break;
case 3: // del/Backspace
display_print("Backspace");
break;
case 5: // ?
display_print("? Mark");
break;
case 6: // A/1
display_print("Digit 1");
break;
case 7: // B/2
display_print("Digit 2");
break;
case 8: // C/3
display_print("Digit 3");
break;
case 10: // Home
display_print("Home");
break;
case 11: // D/4
display_print("Digit 4");
break;
case 12: // E/5
display_print("Digit 5");
break;
case 13: // F/6
display_print("Digit 6");
break;
case 15: // Up
display_print("Up Key");
break;
case 16: // G/7
display_print("Digit 7");
break;
case 17: // H/8
display_print("Digit 8");
break;
case 18: // I/9
display_print("Digit 9");
break;
case 20: // Down
display_print("Down Key");
break;
case 21: // +/-
display_print("Change Sign");
break;
case 22: // J/0
display_print("Digit 0");
break;
case 23: // x-y/.
display_print("Decimal Point");
break;
case 35: // Power
display_print("Power On/Off");
break;
default:
break;
}
    //display_set_cursor(12,33);
display_set_cursor(0,0);
  }
  // Paint the screen buffer to the LCD
  display_paint(true);
}

// LCD Notes

/* DISPLAY FORMAT standard font (medium) is represented as 5 lines with 21 characters per line
//    000000000111111111122
//    123456789012345678901
display_set_cursor(0,0); display_print("01020304050607080910.");
display_set_cursor(0,10); display_print("01020304050607080910.");
display_set_cursor(0,20); display_print("01020304050607080910.");
display_set_cursor(0,30); display_print("01020304050607080910.");
display_set_cursor(0,40); display_print("01020304050607080910.");

display_paint(true);
*/