wolfv6
7 years ago
3 changed files with 7 additions and 2 deletions
+ 3
- 1
src/PortInterface.h
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| @@ -9,13 +9,15 @@ Port classes are the keybrd library's interface to microcontroller ports or I/O | |||
| Port classes that can read and write, inherit from PortInterface. | |||
| Port classes that can only write, inherit from PortWriteInterface. | |||
| write() interface emulates Arduino's digitalWrite(). | |||
| */ | |||
| class PortInterface : public PortWriteInterface | |||
| { | |||
| public: | |||
| virtual void beginProtocol()=0; //SPI bus or I2C bus | |||
| virtual void begin(const uint8_t strobeOn)=0; //configure GPIO pins | |||
| virtual void write(const uint8_t strobePin, const bool pinLogicLevel)=0; | |||
| virtual void write(const uint8_t pin, const bool pinLogicLevel)=0; | |||
| virtual uint8_t read()=0; | |||
| }; | |||
| #endif | |||
+ 2
- 0
src/PortWriteInterface.h
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| @@ -8,6 +8,8 @@ Port classes are the keybrd library's interface to MOSI shift registers i.e. Por | |||
| Port classes that can read & write, inherit from PortInterface. | |||
| Port classes that can only write, inherit from PortWriteInterface. | |||
| write() interface emulates Arduino's digitalWrite(). | |||
| */ | |||
| class PortWriteInterface | |||
| { | |||
+ 2
- 1
src/Scanner_ShiftRegsReadStrobed.cpp
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| @@ -48,7 +48,8 @@ read_pins_t Scanner_ShiftRegsReadStrobed::scan(const uint8_t strobePin) | |||
| //SPI.beginTransaction( SPISettings(5000000, MSBFIRST, SPI_MODE0) ); //control SPI bus, 5 MHz | |||
| delayMicroseconds(20); //photo-transistor at 3.3v needs 20 ms to stablize | |||
| //photo-transistor at 3.3v needs 20 ms to stabilize | |||
| delayMicroseconds(20); //monitor trackball here | |||
| digitalWrite(slaveSelect, HIGH); //shift the data toward a serial output | |||