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RowScanner_Arduino, add readPins[] array

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This commit is contained in:
wolfv6 2016-06-06 19:37:48 -06:00
parent f368c1fdad
commit aa48937a09
4 changed files with 24 additions and 28 deletions
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3
src/Row.h
View File

@ -24,7 +24,8 @@ class Row : public RowBase
Debouncer_4Samples debouncer;
public:
//Row constructor was like Row_DH constructor
Row(const uint8_t rowPin, Key *const ptrsKeys[]) : RowBase(ptrsKeys), scanner(rowPin) { }
Row(const uint8_t strobePin, const uint8_t readPins[], const uint8_t READ_PIN_COUNT, Key *const ptrsKeys[])
: RowBase(ptrsKeys), scanner(strobePin, readPins, READ_PIN_COUNT) { }
virtual void process();
};
#endif

4
src/RowBase.cpp
View File

@ -28,15 +28,13 @@ The largest allowabl DELAY_MICROSECONDS is 65535 (.065535 second).
Polling I2C may slow the scan rate enough so that no additional delay is needed:
const unsigned int Row::DELAY_MICROSECONDS = 0;
Slow-scan trick for debug messages that print too fast, add delay:
Slow-scan trick for debug messages that print too fast, add delay to sketch loop():
delay(1000);
That way debug messages are printed at a managable rate.
*/
void RowBase::wait()
{
delayMicroseconds(DELAY_MICROSECONDS); //delay between Row scans to debounce switches
delay(500);
Keyboard.print(" w ");
}
/*

32
src/RowScanner_Arduino.cpp
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@ -1,11 +1,11 @@
#include "RowScanner_Arduino.h"
/*
Strobes the row and reads the columns.
Strobe is on for shortest possible time.
*/
uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd)
{
uint8_t rowState = 0;
uint8_t col = 1;
//strobe row on
if (activeHigh)
@ -18,27 +18,25 @@ uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd)
}
delayMicroseconds(3); //time to stablize voltage
/*
uint8_t col = 1;
//read all the column ports
for (uint8_t i=0; i < readPinCount; i++)
for (uint8_t i=0; i < READ_PIN_COUNT; i++)
{
if (digitalRead(6))
if ( digitalRead(readPins[i]) == activeHigh )
{
rowState |= col;
//ptrsColPorts[i]->read();
}
col <<= 1;
}
/*
Keyboard.print(" stobePin");
Keyboard.print(stobePin);
Keyboard.print(" readPins[");
Keyboard.print(i);
Keyboard.print("]");
Keyboard.print((int)readPins[i]);
Keyboard.print(" col");
Keyboard.print(col);
Keyboard.print(" ");
*/
if (digitalRead(6) == 0)
{
rowState |= 1<<0;
}
if (digitalRead(7) == 0)
{
rowState |= 1<<1;
col <<= 1;
}
//strobe row off
@ -53,6 +51,6 @@ uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd)
rowEnd = 4; //only read first two col, a1 b2 4
Keyboard.print(rowState); // prints 2b, not 1a, what happened to col0?
//Keyboard.print(rowState);
return rowState;
}

13
src/RowScanner_Arduino.h
View File

@ -8,7 +8,7 @@
/* rowPin > stobePins[]
replace port calls with
x pass 1: hard code pins for row0 and col6, init in setup()
pass 2: pins[] array - first strobe, then read
x pass 2: pins[] array - first strobe, then read
pass 3: move calls to IC classes - Strobe_uC, Read_uC
pass 4: add IC classes Strobe_MCP23018, Read_MCP23018 */
class RowScanner_Arduino : public RowScannerInterface
@ -16,13 +16,12 @@ class RowScanner_Arduino : public RowScannerInterface
private:
static const bool activeHigh; //logic level of strobe pin: 0=activeLow, 1=activeHigh
const uint8_t stobePin; //Arduino pin number connected to this row
//const uint8_t* readPins; //array of read pins
//const uint8_t readPinCount;
const uint8_t* readPins; //array of read pins
const uint8_t READ_PIN_COUNT;//todo READ_PIN_COUNT
public:
RowScanner_Arduino(const uint8_t stobePin)
: stobePin(stobePin)
// readPinCount(readPinCount)
{}
RowScanner_Arduino(const uint8_t stobePin,
const uint8_t readPins[], const uint8_t READ_PIN_COUNT)
: stobePin(stobePin), readPins(readPins), READ_PIN_COUNT(READ_PIN_COUNT) {}
virtual uint8_t scan(uint16_t& rowEnd);
uint8_t getRowState(uint16_t& rowEnd);
};