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RowScanner_Arduino, add stobePin, 2 rows

tags/v0.5.0
wolfv6 8 anos atrás
pai
bf0cfd608a
commit
f368c1fdad
4 arquivos alterados com 14 adições e 11 exclusões
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  1. 1
    1
      src/Row.h
  2. 4
    2
      src/RowBase.cpp
  3. 3
    3
      src/RowScanner_Arduino.cpp
  4. 6
    5
      src/RowScanner_Arduino.h

+ 1
- 1
src/Row.h Ver arquivo

Debouncer_4Samples debouncer; Debouncer_4Samples debouncer;
public: public:
//Row constructor was like Row_DH constructor //Row constructor was like Row_DH constructor
Row(Key *const ptrsKeys[]) : RowBase(ptrsKeys) { }
Row(const uint8_t rowPin, Key *const ptrsKeys[]) : RowBase(ptrsKeys), scanner(rowPin) { }
virtual void process(); virtual void process();
}; };
#endif #endif

+ 4
- 2
src/RowBase.cpp Ver arquivo

Avoid sampling the switch input at a rate synchronous to events in the environment Avoid sampling the switch input at a rate synchronous to events in the environment
that might create periodic EMI. For instance, 50 and 60 Hz. that might create periodic EMI. For instance, 50 and 60 Hz.
The largest allowabl DELAY_MICROSECONDS is 65535 (.065535 second).
Polling I2C may slow the scan rate enough so that no additional delay is needed: Polling I2C may slow the scan rate enough so that no additional delay is needed:
const unsigned int Row::DELAY_MICROSECONDS = 0; const unsigned int Row::DELAY_MICROSECONDS = 0;
Slow-scan trick for debug messages that print too fast:
change DELAY_MICROSECONDS to a large number like 10000
Slow-scan trick for debug messages that print too fast, add delay:
delay(1000);
That way debug messages are printed at a managable rate. That way debug messages are printed at a managable rate.
*/ */
void RowBase::wait() void RowBase::wait()

+ 3
- 3
src/RowScanner_Arduino.cpp Ver arquivo

#include "RowScanner_Arduino.h" #include "RowScanner_Arduino.h"
/* /*
Strobes the row and reads the columns. Strobes the row and reads the columns.
Strobe is on for shortest possible time to preserve IR LED on DodoHand's optic switch.
Strobe is on for shortest possible time.
*/ */
uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd) uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd)
{ {
//strobe row on //strobe row on
if (activeHigh) if (activeHigh)
{ {
digitalWrite(0, HIGH);
digitalWrite(stobePin, HIGH);
} }
else //activeLow else //activeLow
{ {
digitalWrite(0, LOW);
digitalWrite(stobePin, LOW);
} }
delayMicroseconds(3); //time to stablize voltage delayMicroseconds(3); //time to stablize voltage

+ 6
- 5
src/RowScanner_Arduino.h Ver arquivo

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