Pre Tandy1000 overhaul

This commit is contained in:
Jacob Alexander 2011-11-28 22:20:04 -08:00
parent 969b8c8bee
commit ac5f6c015d
17 changed files with 198 additions and 110 deletions

View file

@ -23,6 +23,7 @@
// AVR Includes
#include <avr/io.h>
#include <util/delay.h>
// Project Includes
#include <print.h>
@ -40,19 +41,9 @@
// -- pinSetup Macros --
#define REG_SET(reg) reg |= (1 << ( matrix[row*(MAX_ROW_SIZE+1)+col] % 10 ) )
#define PIN_SET_COL(pin) \
switch ( scanMode ) { \
#define PIN_SET_COL(pin,scan) \
switch ( scan ) { \
case scanCol: \
case scanCol_powrRow: \
case scanDual: \
REG_SET(port##pin); break; \
case scanRow_powrCol: REG_SET(ddr##pin); REG_SET(port##pin); break; \
} \
break
#define PIN_SET_ROW(pin) \
switch ( scanMode ) { \
case scanRow: \
case scanRow_powrCol: \
case scanDual: \
REG_SET(port##pin); break; \
@ -60,6 +51,16 @@
} \
break
#define PIN_SET_ROW(pin,scan) \
switch ( scan ) { \
case scanRow: \
case scanCol_powrRow: \
case scanDual: \
REG_SET(port##pin); break; \
case scanRow_powrCol: REG_SET(ddr##pin); REG_SET(port##pin); break; \
} \
break
#define PIN_CASE(pinLetter) \
case pin##pinLetter##0: \
case pin##pinLetter##1: \
@ -74,7 +75,10 @@
#define PIN_TEST_COL(pin) \
scanCode = matrix[row*(MAX_ROW_SIZE+1)+col]; \
if ( scanCode && !( pin & ( 1 << ( matrix[0*(MAX_ROW_SIZE+1)+col] % 10 ) ) ) ) \
{ \
warn_print("YAY!"); \
detectArray[scanCode]++; \
} \
break
// -- Row Scan Macros --
@ -109,7 +113,7 @@
// ----- Functions -----
// Goes through the defined matrix and matrix mode, and sets the initial state of all of the available pins
inline void matrix_pinSetup( uint8_t *matrix )
void matrix_pinSetup( uint8_t *matrix, uint8_t scanType )
{
// Setup the variables
uint8_t portA = 0x00;
@ -136,17 +140,17 @@ inline void matrix_pinSetup( uint8_t *matrix )
switch ( matrix[row*(MAX_ROW_SIZE+1)+col] )
{
PIN_CASE(A):
PIN_SET_ROW(A);
PIN_SET_ROW(A, scanType);
PIN_CASE(B):
PIN_SET_ROW(B);
PIN_SET_ROW(B, scanType);
PIN_CASE(C):
PIN_SET_ROW(C);
PIN_SET_ROW(C, scanType);
PIN_CASE(D):
PIN_SET_ROW(D);
PIN_SET_ROW(D, scanType);
PIN_CASE(E):
PIN_SET_ROW(E);
PIN_SET_ROW(E, scanType);
PIN_CASE(F):
PIN_SET_ROW(F);
PIN_SET_ROW(F, scanType);
default:
continue;
@ -160,17 +164,17 @@ inline void matrix_pinSetup( uint8_t *matrix )
switch ( matrix[row*(MAX_ROW_SIZE+1)+col] )
{
PIN_CASE(A):
PIN_SET_COL(A);
PIN_SET_COL(A, scanType);
PIN_CASE(B):
PIN_SET_COL(B);
PIN_SET_COL(B, scanType);
PIN_CASE(C):
PIN_SET_COL(C);
PIN_SET_COL(C, scanType);
PIN_CASE(D):
PIN_SET_COL(D);
PIN_SET_COL(D, scanType);
PIN_CASE(E):
PIN_SET_COL(E);
PIN_SET_COL(E, scanType);
PIN_CASE(F):
PIN_SET_COL(F);
PIN_SET_COL(F, scanType);
default:
continue;
@ -178,26 +182,30 @@ inline void matrix_pinSetup( uint8_t *matrix )
}
// Pin Status
char tmpStr[6];
info_print("Initial Matrix Pin Setup");
info_print(" ddrA ddrB ddrC ddrD ddrE ddrF");
print(" ");
hexToStr_op( ddrA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
print("\n");
info_print("portA portB portC portD portE portF");
print(" ");
hexToStr_op( portA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
print("\n");
if ( scanType == scanMode )
{
char tmpStr[6];
info_print("Initial Matrix Pin Setup");
info_print(" ddrA ddrB ddrC ddrD ddrE ddrF");
print(" ");
hexToStr_op( ddrA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( ddrF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
print("\n");
info_print("portA portB portC portD portE portF");
print(" ");
hexToStr_op( portA, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portB, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portC, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portD, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portE, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
hexToStr_op( portF, tmpStr, 2 ); dPrintStrs( " 0x", tmpStr );
print("\n");
int8ToStr( scanType, tmpStr );
}
// Setting the pins
#if defined(__AVR_AT90USB1286__)
@ -235,6 +243,7 @@ inline void matrix_scan( uint8_t *matrix, uint8_t *detectArray )
// Scan over the pins for each of the columns, and using the pin alias to determine which pin to set
// (e.g. / 10 is for the pin name (A,B,C,etc.) and % 10 is for the position of the pin (A1,A2,etc.))
switch ( matrix[0*(MAX_ROW_SIZE+1)+col] / 10 )
REG_SET(port##pin); break; \
{
#if defined(__AVR_AT90USB1286__)
case 0: // PINA
@ -285,6 +294,8 @@ inline void matrix_scan( uint8_t *matrix, uint8_t *detectArray )
// Dual Scan
#if scanMode == scanDual
// First do a scan of all of the columns, marking each one
matrix_pinSetup( matrix, scanCol_powrRow );
_delay_us( 1 );
for ( ; row < (MAX_COL_SIZE+1); row++ ) for ( ; col < (MAX_ROW_SIZE+1); col++ )
{
// Scan over the pins for each of the columns, and using the pin alias to determine which pin to set
@ -310,6 +321,8 @@ inline void matrix_scan( uint8_t *matrix, uint8_t *detectArray )
// Next, do a scan of all of the rows, clearing any "vague" keys (only detected on row, but not column, or vice-versa)
// And marking any keys that are detected on the row and column
matrix_pinSetup( matrix, scanRow_powrCol );
_delay_us( 1 );
col = 1;
row = 1;
for ( ; col < (MAX_ROW_SIZE+1); col++ ) for ( ; row < (MAX_COL_SIZE+1); row++ )

View file

@ -108,7 +108,7 @@
// ----- Functions -----
void matrix_pinSetup( uint8_t *matrix );
void matrix_pinSetup( uint8_t *matrix, uint8_t scanType );
void matrix_scan( uint8_t *matrix, uint8_t *detectArray );
#endif // __MATRIX_SCAN_H

View file

@ -44,17 +44,20 @@
// ----- Macros -----
// Loop over all of the sampled keys of the given array
// If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
// This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
#define DEBOUNCE_ASSESS(table,size) \
for ( uint8_t key = 1; key < size + 1; key++ ) \
table[key] = ( table[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD ? (1 << 7) : 0x00
// Make sure we haven't overflowed the buffer
#define bufferAdd(byte) \
if ( KeyIndex_BufferUsed < KEYBOARD_BUFFER ) \
KeyIndex_Buffer[KeyIndex_BufferUsed++] = byte
// ----- Variables -----
// Buffer used to inform the macro processing module which keys have been detected as pressed
volatile uint8_t KeyIndex_Buffer[KEYBOARD_BUFFER];
volatile uint8_t KeyIndex_BufferUsed;
// Keeps track of the number of scans, so we only do a debounce assess when it would be valid (as it throws away data)
uint8_t scan_count = 0;
@ -69,7 +72,7 @@ uint8_t KeyIndex_Array[KEYBOARD_SIZE + 1];
// Setup
inline void scan_setup()
{
matrix_pinSetup( (uint8_t*)matrix_pinout );
matrix_pinSetup( (uint8_t*)matrix_pinout, scanMode );
}
// Main Detection Loop
@ -95,7 +98,18 @@ inline uint8_t scan_loop()
scan_count = 0;
// Assess debouncing sample table
DEBOUNCE_ASSESS( KeyIndex_Array, KeyIndex_Size );
// Loop over all of the sampled keys of the given array
// If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
// This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
for ( uint8_t key = 1; key < KeyIndex_Size + 1; key++ ) if ( ( KeyIndex_Array[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD )
{
bufferAdd( key );
KeyIndex_Array[key] = (1 << 7);
}
else
{
KeyIndex_Array[key] = 0x00;
}
// Ready to allow for USB send
return 1;

View file

@ -37,14 +37,19 @@
// ----- Defines -----
#define KEYBOARD_BUFFER 24 // Max number of key signals to buffer
// ----- Variables -----
// NOTE: Highest Bit: Valid keypress (0x80 is valid keypress)
// Other Bits: Pressed state sample counter
extern uint8_t KeyIndex_Array [KEYBOARD_SIZE + 1];
static const uint8_t KeyIndex_Size = KEYBOARD_SIZE;
extern uint8_t KeyIndex_Array [KEYBOARD_SIZE + 1];
static const uint8_t KeyIndex_Size = KEYBOARD_SIZE;
extern volatile uint8_t KeyIndex_Buffer[KEYBOARD_BUFFER];
extern volatile uint8_t KeyIndex_BufferUsed;