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Adding basic per line keypad detection

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This commit is contained in:
Jacob Alexander 2011-03-20 01:17:19 -07:00
parent 4b883dda10
commit a62cac9ca7
1 changed files with 45 additions and 29 deletions
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74
main.c
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@ -102,17 +102,6 @@
#define DETECT_group_size_11 <blank> #define DETECT_group_size_11 <blank>
#define DETECT_group_size_12 <blank> #define DETECT_group_size_12 <blank>
/*
#define DETECT_group_array_1 {{KEY_ESC,KEY_CTRL,KEY_CAPS_LOCK,KEY_SHIFT},{0,1,0,1}}
#define DETECT_group_array_2 {{KEY_BACKSPACE,KEY_UP,KEY_DOWN,KEY_A,KEY_INSERT,KEY_ALT,KEY_Z,KEY_RIGHT},{0,0,0,0,0,1,0,0}}
#define DETECT_group_array_3 {{KEY_TILDE,KEY_DELETE,KEY_LEFT,KEY_SPACE,KEY_X,KEY_S,KEY_TAB,KEY_1},{0,0,0,0,0,0,0,0}}
#define DETECT_group_array_4 {{KEY_SLASH,KEY_RIGHT_BRACE,KEY_ENTER,KEY_D,KEY_2,KEY_Q,KEY_C},{0,0,0,0,0,0,0}}
#define DETECT_group_array_5 {{KEY_EQUAL,KEY_LEFT_BRACE,KEY_QUOTE,KEY_F,KEY_3,KEY_W,KEY_V},{0,0,0,0,0,0,0}}
#define DETECT_group_array_6 {{KEY_MINUS,KEY_P,KEY_SEMICOLON,KEY_G,KEY_4,KEY_E,KEY_B,KEY_BACKSLASH},{0,0,0,0,0,0,0,0}}
#define DETECT_group_array_7 {{KEY_8,KEY_U,KEY_K,KEY_7,KEY_Y,KEY_COMMA},{0,0,0,0,0,0}}
#define DETECT_group_array_8 {{KEY_9,KEY_I,KEY_PERIOD,KEY_J,KEY_6,KEY_T,KEY_M},{0,0,0,0,0,0,0}}
#define DETECT_group_array_9 {{KEY_0,KEY_O,KEY_L,KEY_H,KEY_5,KEY_R,KEY_N},{0,0,0,0,0,0,0}}
*/
// Switch Codes // Switch Codes
#define DETECT_group_array_1 {55,22,6 ,40,43,27,11} #define DETECT_group_array_1 {55,22,6 ,40,43,27,11}
#define DETECT_group_array_2 {56,23,7 ,41,58,26,10} #define DETECT_group_array_2 {56,23,7 ,41,58,26,10}
@ -219,6 +208,14 @@
} \ } \
// Keypad detection
// Each switch has it's own detection line
#define KEYPAD_DETECT(test,switch_code) \
if ( test ) { \
keypadDetectArray[switch_code]++; \
} \
// NOTE: Highest Bit: Valid keypress (0x80 is valid keypress) // NOTE: Highest Bit: Valid keypress (0x80 is valid keypress)
// Other Bits: Pressed state sample counter // Other Bits: Pressed state sample counter
uint8_t keyDetectArray[KEYBOARD_SIZE + 1]; uint8_t keyDetectArray[KEYBOARD_SIZE + 1];
@ -337,6 +334,24 @@ inline void pinSetup(void)
PORTF = 0xFF; PORTF = 0xFF;
} }
void keyPressDetection( uint8_t *keys, uint8_t *validKeys) {
for ( uint8_t key = 0; key < KEYBOARD_SIZE + 1; key++ ) {
//phex(keyDetectArray[key]);
//print ("|");
if ( keyDetectArray[key] & (1 << 7) ) {
//print("0x");
//phex( key );
pint8( key );
print(" ");
// Too many keys
if ( validKeys == 6 )
break;
keyboard_keys[validKeys++] = defaultMap[key];
}
}
}
int main( void ) int main( void )
{ {
// Setup with 16 MHz clock // Setup with 16 MHz clock
@ -357,7 +372,6 @@ int main( void )
// Setup ISR Timer for flagging a kepress send to USB // Setup ISR Timer for flagging a kepress send to USB
// Set to 256 * 1024 (8 bit timer with Clock/1024 prescalar) timer // Set to 256 * 1024 (8 bit timer with Clock/1024 prescalar) timer
//
TCCR0A = 0x00; TCCR0A = 0x00;
TCCR0B = 0x03; TCCR0B = 0x03;
TIMSK0 = (1 << TOIE0); TIMSK0 = (1 << TOIE0);
@ -385,7 +399,22 @@ int main( void )
continue; continue;
// Check Keypad keys // Check Keypad keys
// TODO KEYPAD_DETECT(PINA & (1 << 0,1))
KEYPAD_DETECT(PINA & (1 << 1,1))
KEYPAD_DETECT(PINA & (1 << 2,1))
KEYPAD_DETECT(PINA & (1 << 3,1))
KEYPAD_DETECT(PINA & (1 << 4,1))
KEYPAD_DETECT(PINA & (1 << 5,1))
KEYPAD_DETECT(PINA & (1 << 6,1))
KEYPAD_DETECT(PINA & (1 << 7,1))
KEYPAD_DETECT(PINF & (1 << 0,1))
KEYPAD_DETECT(PINF & (1 << 1,1))
KEYPAD_DETECT(PINF & (1 << 2,1))
KEYPAD_DETECT(PINF & (1 << 3,1))
KEYPAD_DETECT(PINF & (1 << 4,1))
KEYPAD_DETECT(PINF & (1 << 5,1))
KEYPAD_DETECT(PINF & (1 << 6,1))
KEYPAD_DETECT(PINF & (1 << 7,1))
// Check count to see if the sample threshold may have been reached, otherwise collect more data // Check count to see if the sample threshold may have been reached, otherwise collect more data
count++; count++;
@ -397,7 +426,7 @@ int main( void )
// Assess debouncing sample table // Assess debouncing sample table
DEBOUNCE_ASSESS(keyDetectArray,KEYBOARD_SIZE) DEBOUNCE_ASSESS(keyDetectArray,KEYBOARD_SIZE)
//DEBOUNCE_ASSESS(keypadDetectArray,KEYPAD_SIZE) DEBOUNCE_ASSESS(keypadDetectArray,KEYPAD_SIZE)
// Send keypresses over USB if the ISR has signalled that it's time // Send keypresses over USB if the ISR has signalled that it's time
if ( !sendKeypresses ) if ( !sendKeypresses )
@ -406,21 +435,8 @@ int main( void )
// Detect Valid Keypresses - TODO // Detect Valid Keypresses - TODO
uint8_t validKeys = 0; uint8_t validKeys = 0;
for ( uint8_t key = 0; key < KEYBOARD_SIZE + 1; key++ ) { keyPressDetection( &keyDetectArray, &validKeys );
//phex(keyDetectArray[key]); //keyPressDetection( &keypadDetectArray, &validKeys );
//print ("|");
if ( keyDetectArray[key] & (1 << 7) ) {
//print("0x");
//phex( key );
pint8( key );
print(" ");
// Too many keys
if ( validKeys == 6 )
break;
keyboard_keys[validKeys++] = defaultMap[key];
}
}
print(":\n"); print(":\n");
// TODO undo potentially old keys // TODO undo potentially old keys