X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=keyboards%2Ffrosty_flake%2Fmatrix.c;h=cde7f63b95ba54d81c3dff6c47fd31710301d6f4;hb=ff728a8a01c1aa81e86f38dfd1753bd49ce39e88;hp=21b0d90885e4048b3c2d59902aed77ee4b22eba4;hpb=19fd20261b895a6848c8b15fd7365d5b87b7fd72;p=qmk_firmware.git

diff --git a/keyboards/frosty_flake/matrix.c b/keyboards/frosty_flake/matrix.c
index 21b0d9088..cde7f63b9 100644
--- a/keyboards/frosty_flake/matrix.c
+++ b/keyboards/frosty_flake/matrix.c
@@ -1,7 +1,5 @@
-//TODO(gabe): customize for frosty flake
-
 /*
-  Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
+  Copyright 2017 Gabriel Young <gabeplaysdrums@live.com>
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -34,134 +32,106 @@ static uint8_t debouncing = DEBOUNCING_DELAY;
 static matrix_row_t matrix[MATRIX_ROWS];
 static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 
-static uint8_t read_rows(void);
-static void select_col(uint8_t col);
-
-inline uint8_t matrix_rows(void) {
-  return MATRIX_ROWS;
+static matrix_row_t scan_col(void) {
+    return (
+        (PINC&(1<<7) ? 0 : ((matrix_row_t)1<<0)) |
+        (PINB&(1<<5) ? 0 : ((matrix_row_t)1<<1)) |
+        (PINB&(1<<4) ? 0 : ((matrix_row_t)1<<2)) |
+        (PINB&(1<<6) ? 0 : ((matrix_row_t)1<<3)) |
+        (PINB&(1<<1) ? 0 : ((matrix_row_t)1<<4)) |
+        (PINB&(1<<2) ? 0 : ((matrix_row_t)1<<5)) |
+        (PINB&(1<<3) ? 0 : ((matrix_row_t)1<<6)) |
+        (PINB&(1<<0) ? 0 : ((matrix_row_t)1<<7))
+    );
 }
 
-inline uint8_t matrix_cols(void) {
-  return MATRIX_COLS;
+static void select_col(uint8_t col) {
+    switch (col) {
+        case  0: PORTD = (PORTD & ~0b01111011) | 0b00011011; break;
+        case  1: PORTD = (PORTD & ~0b01111011) | 0b01000011; break;
+        case  2: PORTD = (PORTD & ~0b01111011) | 0b01101010; break;
+        case  3: PORTD = (PORTD & ~0b01111011) | 0b01111001; break;
+        case  4: PORTD = (PORTD & ~0b01111011) | 0b01100010; break;
+        case  5: PORTD = (PORTD & ~0b01111011) | 0b01110001; break;
+        case  6: PORTD = (PORTD & ~0b01111011) | 0b01100001; break;
+        case  7: PORTD = (PORTD & ~0b01111011) | 0b01110000; break;
+        case  8: PORTD = (PORTD & ~0b01111011) | 0b01100000; break;
+        case  9: PORTD = (PORTD & ~0b01111011) | 0b01101000; break;
+        case 10: PORTD = (PORTD & ~0b01111011) | 0b00101011; break;
+        case 11: PORTD = (PORTD & ~0b01111011) | 0b00110011; break;
+        case 12: PORTD = (PORTD & ~0b01111011) | 0b00100011; break;
+        case 13: PORTD = (PORTD & ~0b01111011) | 0b01111000; break;
+        case 14: PORTD = (PORTD & ~0b01111011) | 0b00010011; break;
+        case 15: PORTD = (PORTD & ~0b01111011) | 0b01101001; break;
+        case 16: PORTD = (PORTD & ~0b01111011) | 0b00001011; break;
+        case 17: PORTD = (PORTD & ~0b01111011) | 0b00111011; break;
+    }
 }
 
-/* Column pin configuration
- *
- * col: 0    1    2    3    4    5    6    7
- * pin: PC7  PD5  PD3  PD1  PC2  PD6  PD4  PD2
- *
- * Rrr pin configuration 
- *
- * These rrrs uses one 74HC154 4 to 16 bit demultiplexer (low
- * active), together with 2 rrrs driven directly from the micro
- * controller, to control the 18 rrrs. The rrrs are driven from
- * pins B6,5,4,3,2,1,0.
- */
 void matrix_init(void) {
-  DDRC  &= ~0b10000100;  // Row input pins
-  DDRD  &= ~0b01111110;
-  PORTC |=  0b10000100;
-  PORTD |=  0b01111110;
-
-  DDRB  |=  0b01111111;  // Column output pins
-
-  for (uint8_t i=0; i < MATRIX_ROWS; i++)  {
-    matrix[i] = 0;
-    matrix_debouncing[i] = 0;
-  }
-  matrix_init_quantum();
+    /* Row output pins */
+    DDRD  |=  0b01111011;
+    /* Column input pins */
+    DDRC  &= ~0b10000000;
+    DDRB  &= ~0b01111111;
+    PORTC |=  0b10000000;
+    PORTB |=  0b01111111;
+
+    for (uint8_t i=0; i < MATRIX_ROWS; i++)
+        matrix[i] = matrix_debouncing[i] = 0;
+
+    matrix_init_quantum();
 }
 
 uint8_t matrix_scan(void) {
-  for (uint8_t col = 0; col < MATRIX_COLS; col++) {
-    select_col(col);
-    _delay_us(3);
-    uint8_t rows = read_rows();
-    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-      bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
-      bool curr_bit = rows & (1<<row);
-      if (prev_bit != curr_bit) {
-        matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
-        debouncing = DEBOUNCING_DELAY;
-      }
+    for (uint8_t col = 0; col < MATRIX_COLS; col++) {
+        select_col(col);
+        _delay_us(3);
+        matrix_row_t col_scan = scan_col();
+        for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+            bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
+            bool curr_bit = col_scan & (1<<row);
+            if (prev_bit != curr_bit) {
+                matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
+                debouncing = DEBOUNCING_DELAY;
+            }
+        }
     }
-  }
-  
-  if (debouncing) {
-    if (--debouncing) {
-      _delay_ms(1);
-    }
-    else {
-      for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        matrix[i] = matrix_debouncing[i];
-      }
-    }
-  }
-  matrix_scan_quantum();
-  return 1;
-}
 
-bool matrix_is_modified(void) {
-  if (debouncing)
-    return false;
-  else
-    return true;
-}
+    if (debouncing) {
+        if (--debouncing)
+            _delay_ms(1);
+        else
+            for (uint8_t i = 0; i < MATRIX_ROWS; i++)
+                matrix[i] = matrix_debouncing[i];
+    }
 
-inline bool matrix_is_on(uint8_t row, uint8_t col) {
-  return (matrix[row] & ((matrix_row_t)1<<col));
+    matrix_scan_quantum();
+    return 1;
 }
 
 inline matrix_row_t matrix_get_row(uint8_t row) {
-  return matrix[row];
+    return matrix[row];
 }
 
 void matrix_print(void) {
-  print("\nr/c 0123456789ABCDEF\n");
-  for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-    xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row)));
-  }
+#ifndef NO_PRINT
+    print("\nr\\c ABCDEFGHIJKLMNOPQR\n");
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+        matrix_row_t matrix_row = matrix_get_row(row);
+        xprintf("%02X: ", row);
+        for (uint8_t col = 0; col < MATRIX_COLS; col++) {
+            bool curr_bit = matrix_row & (1<<col);
+            xprintf("%c", curr_bit ? '*' : '.');
+        }
+        print("\n");
+    }
+#endif
 }
 
 uint8_t matrix_key_count(void) {
-  uint8_t count = 0;
-  for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-    count += bitpop32(matrix[i]);
-  }
-  return count;
+    uint8_t count = 0;
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++)
+        count += bitpop32(matrix[row]);
+    return count;
 }
-
-static uint8_t read_rows(void) {
-  return
-    (PINC&(1<<7) ? 0 : (1<<0)) |
-    (PIND&(1<<5) ? 0 : (1<<1)) |
-    (PIND&(1<<3) ? 0 : (1<<2)) |
-    (PIND&(1<<1) ? 0 : (1<<3)) |
-    (PINC&(1<<2) ? 0 : (1<<4)) |
-    (PIND&(1<<2) ? 0 : (1<<5)) |
-    (PIND&(1<<4) ? 0 : (1<<6)) |
-    (PIND&(1<<6) ? 0 : (1<<7));
-}
-
-static void select_col(uint8_t col) {
-  switch (col) {
-  case  0: PORTB = (PORTB & ~0b01111111) | 0b01100100; break;
-  case  1: PORTB = (PORTB & ~0b01111111) | 0b01101100; break;
-  case  2: PORTB = (PORTB & ~0b01111111) | 0b01100010; break;
-  case  3: PORTB = (PORTB & ~0b01111111) | 0b01111010; break;
-  case  4: PORTB = (PORTB & ~0b01111111) | 0b01100110; break;
-  case  5: PORTB = (PORTB & ~0b01111111) | 0b01110110; break;
-  case  6: PORTB = (PORTB & ~0b01111111) | 0b01101110; break;
-  case  7: PORTB = (PORTB & ~0b01111111) | 0b01111110; break;
-  case  8: PORTB = (PORTB & ~0b01111111) | 0b01000001; break;
-  case  9: PORTB = (PORTB & ~0b01111111) | 0b00100001; break;
-  case 10: PORTB = (PORTB & ~0b01111111) | 0b01101010; break;
-  case 11: PORTB = (PORTB & ~0b01111111) | 0b01110010; break;
-  case 12: PORTB = (PORTB & ~0b01111111) | 0b01111100; break;
-  case 13: PORTB = (PORTB & ~0b01111111) | 0b01110100; break;
-  case 14: PORTB = (PORTB & ~0b01111111) | 0b01111000; break;
-  case 15: PORTB = (PORTB & ~0b01111111) | 0b01110000; break;
-  case 16: PORTB = (PORTB & ~0b01111111) | 0b01100000; break;
-  case 17: PORTB = (PORTB & ~0b01111111) | 0b01101000; break;
-  }
-}
\ No newline at end of file