wolfv6
8 years ago
4 changed files with 14 additions and 11 deletions
+ 1
- 1
src/Row.h
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| @@ -24,7 +24,7 @@ class Row : public RowBase | |||
| Debouncer_4Samples debouncer; | |||
| public: | |||
| //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(); | |||
| }; | |||
| #endif | |||
+ 4
- 2
src/RowBase.cpp
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| @@ -23,11 +23,13 @@ Tactile switch MJTP series bounce 10 ms http://www.apem.com/files/apem/brochures | |||
| 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. | |||
| 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: | |||
| 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. | |||
| */ | |||
| void RowBase::wait() | |||
+ 3
- 3
src/RowScanner_Arduino.cpp
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| @@ -1,7 +1,7 @@ | |||
| #include "RowScanner_Arduino.h" | |||
| /* | |||
| 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) | |||
| { | |||
| @@ -10,11 +10,11 @@ uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd) | |||
| //strobe row on | |||
| if (activeHigh) | |||
| { | |||
| digitalWrite(0, HIGH); | |||
| digitalWrite(stobePin, HIGH); | |||
| } | |||
| else //activeLow | |||
| { | |||
| digitalWrite(0, LOW); | |||
| digitalWrite(stobePin, LOW); | |||
| } | |||
| delayMicroseconds(3); //time to stablize voltage | |||
+ 6
- 5
src/RowScanner_Arduino.h
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| @@ -7,7 +7,7 @@ | |||
| #include <ColPort.h> | |||
| /* rowPin > stobePins[] | |||
| 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 3: move calls to IC classes - Strobe_uC, Read_uC | |||
| pass 4: add IC classes Strobe_MCP23018, Read_MCP23018 */ | |||
| @@ -15,13 +15,14 @@ class RowScanner_Arduino : public RowScannerInterface | |||
| { | |||
| private: | |||
| 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 readPinCount; | |||
| public: | |||
| /*RowScanner_Arduino() | |||
| : | |||
| readPinCount(readPinCount) {}*/ | |||
| RowScanner_Arduino(const uint8_t stobePin) | |||
| : stobePin(stobePin) | |||
| // readPinCount(readPinCount) | |||
| {} | |||
| virtual uint8_t scan(uint16_t& rowEnd); | |||
| uint8_t getRowState(uint16_t& rowEnd); | |||
| }; | |||