wolfv6
7 years ago
4 changed files with 54 additions and 3 deletions
+ 2
- 2
examples/keybrd_MCP23018/keybrd_MCP23018.ino
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| //right matrix | //right matrix | ||||
| #include <Port_MCP23018.h> | #include <Port_MCP23018.h> | ||||
| #include <Scanner_IOE.h> | #include <Scanner_IOE.h> | ||||
| #include <LED_Port.h> | |||||
| #include <LED_PortOpenDrain.h> | |||||
| // ============ SPEED CONFIGURATION ============ | // ============ SPEED CONFIGURATION ============ | ||||
| ScanDelay scanDelay(9000); | ScanDelay scanDelay(9000); | ||||
| Scanner_IOE scanner_R(LOW, portB, portA); | Scanner_IOE scanner_R(LOW, portB, portA); | ||||
| // ================= RIGHT LED ================= | // ================= RIGHT LED ================= | ||||
| LED_Port LED_capsLck(portA, 1<<7); | |||||
| LED_PortOpenDrain LED_capsLck(portA, 1<<7); | |||||
| // =================== CODES =================== | // =================== CODES =================== | ||||
| Code_Sc s_a(KEY_A); | Code_Sc s_a(KEY_A); |
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src/LED_Port.h
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| #include <LEDInterface.h> | #include <LEDInterface.h> | ||||
| #include <PortWriteInterface.h> | #include <PortWriteInterface.h> | ||||
| /* An LED_Port object is an I/O expander pin that is connected to an LED indicator light. | |||||
| /* An LED_Port object is an I/O expander output pin that is connected to an LED indicator light. | |||||
| LED_Port functions turn LED on and off. | LED_Port functions turn LED on and off. | ||||
| This is for push-pull ouput pins. | |||||
| For LEDs connected to open drain output types, use LED_Port class. | |||||
| Example initialization: | Example initialization: | ||||
| const uint8_t IOE_ADDR = 0x20; | const uint8_t IOE_ADDR = 0x20; | ||||
| Port_MCP23S17 portA(IOE_ADDR, 0, 1<<0 | 1<<1 ); | Port_MCP23S17 portA(IOE_ADDR, 0, 1<<0 | 1<<1 ); |
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src/LED_PortOpenDrain.cpp
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| #include "LED_PortOpenDrain.h" | |||||
| /* functions are like LED_Port, but writeLow() writeHigh() are swapped. | |||||
| */ | |||||
| void LED_PortOpenDrain::on() | |||||
| { | |||||
| refPort.writeLow(pin); | |||||
| } | |||||
| void LED_PortOpenDrain::off() | |||||
| { | |||||
| refPort.writeHigh(pin); | |||||
| } |
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src/LED_PortOpenDrain.h
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| #ifndef LED_PORT_H | |||||
| #define LED_PORT_H | |||||
| #include <Arduino.h> | |||||
| #include <inttypes.h> | |||||
| #include <LEDInterface.h> | |||||
| #include <PortWriteInterface.h> | |||||
| /* An LED_PortOpenDrain object is an I/O expander ouput pin that is connected to an LED. | |||||
| LED_PortOpenDrain functions turn LED on and off. | |||||
| This is for open drain ouput pins. | |||||
| For LEDs connected to push-pull output types, use LED_Port class. | |||||
| Example initialization: | |||||
| const uint8_t IOE_ADDR = 0x20; | |||||
| Port_MCP23S17 portA(IOE_ADDR, 0, 1<<0 | 1<<1 ); | |||||
| LED_PortOpenDrain LED_fn(portA, 1<<5); | |||||
| Example initialization: | |||||
| Port_ShiftRegs shiftRegs(8); | |||||
| LED_PortOpenDrain LED_fn(shiftRegs, 1<<6); | |||||
| */ | |||||
| class LED_PortOpenDrain : public LEDInterface | |||||
| { | |||||
| private: | |||||
| PortWriteInterface& refPort; | |||||
| const uint8_t pin; //bit pattern, 1 is pin connected to LED | |||||
| public: | |||||
| LED_PortOpenDrain(PortWriteInterface& refPort, const uint8_t pin) | |||||
| : refPort(refPort), pin(pin) {} | |||||
| virtual void on(); | |||||
| virtual void off(); | |||||
| }; | |||||
| #endif |