mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-26 17:46:14 +01:00
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
#include "Arduino.h"
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#include "TM1638x.h"
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#include "DIAG.h"
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#include "IODevice.h"
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// buttons K3/KS1-8
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uint8_t TM1638x::getButtons(){
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ArduinoPins::fastWriteDigital(_stb_pin, LOW);
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writeData(INSTRUCTION_READ_KEY);
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pinMode(_dio_pin, INPUT);
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ArduinoPins::fastWriteDigital(_clk_pin, LOW);
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_buttons=0;
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for (uint8_t eachByte=0; eachByte<4;eachByte++) {
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uint8_t value = 0;
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for (uint8_t eachBit = 0; eachBit < 8; eachBit++) {
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ArduinoPins::fastWriteDigital(_clk_pin, HIGH);
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value |= ArduinoPins::fastReadDigital(_dio_pin) << eachBit;
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ArduinoPins::fastWriteDigital(_clk_pin, LOW);
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}
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_buttons |= value << eachByte;
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delayMicroseconds(1);
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}
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pinMode(_dio_pin, OUTPUT);
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ArduinoPins::fastWriteDigital(_stb_pin, HIGH);
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return _buttons;
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}
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void TM1638x::displayDig(uint8_t digitId, uint8_t pgfedcba){
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if (digitId>7) return;
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setDataInstruction(DISPLAY_TURN_ON | _pulse);
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setDataInstruction(INSTRUCTION_WRITE_DATA| INSTRUCTION_ADDRESS_FIXED);
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writeDataAt(FIRST_DISPLAY_ADDRESS+14-(digitId*2), pgfedcba);
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}
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void TM1638x::displayClear(){
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setDataInstruction(DISPLAY_TURN_ON | _pulse);
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setDataInstruction(INSTRUCTION_WRITE_DATA | INSTRUCTION_ADDRESS_FIXED);
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for (uint8_t i=0;i<15;i+=2){
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writeDataAt(FIRST_DISPLAY_ADDRESS+i,0x00);
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}
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}
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void TM1638x::writeLed(uint8_t num,bool state){
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if ((num<1) | (num>8)) return;
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setDataInstruction(DISPLAY_TURN_ON | _pulse);
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setDataInstruction(INSTRUCTION_WRITE_DATA | INSTRUCTION_ADDRESS_FIXED);
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writeDataAt(FIRST_DISPLAY_ADDRESS + (num*2-1), state);
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}
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void TM1638x::displayTurnOn(){
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setDataInstruction(DISPLAY_TURN_ON | _pulse);
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_isOn = true;
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}
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void TM1638x::displayTurnOff(){
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setDataInstruction(DISPLAY_TURN_OFF | _pulse);
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_isOn = false;
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}
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void TM1638x::displaySetBrightness(pulse_t newpulse){
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if ((newpulse<PULSE1_16) | (newpulse>PULSE14_16)) return;
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_pulse = newpulse;
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uint8_t data = (_isOn) ? DISPLAY_TURN_ON : DISPLAY_TURN_OFF;
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data |= _pulse;
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setDataInstruction(data);
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}
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void TM1638x::writeData(uint8_t data){
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for (uint8_t i = 0; i < 8; i++) {
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ArduinoPins::fastWriteDigital(_dio_pin, data & 1);
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data >>= 1;
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ArduinoPins::fastWriteDigital(_clk_pin, HIGH);
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ArduinoPins::fastWriteDigital(_clk_pin, LOW);
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}
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}
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void TM1638x::writeDataAt(uint8_t displayAddress, uint8_t data){
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ArduinoPins::fastWriteDigital(_stb_pin, LOW);
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writeData(displayAddress);
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writeData(data);
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ArduinoPins::fastWriteDigital(_stb_pin, HIGH);
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delayMicroseconds(1);
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}
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void TM1638x::setDataInstruction(uint8_t dataInstruction){
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ArduinoPins::fastWriteDigital(_stb_pin, LOW);
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writeData(dataInstruction);
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ArduinoPins::fastWriteDigital(_stb_pin, HIGH);
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delayMicroseconds(1);
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}
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void TM1638x::test(){
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DIAG(F("TM1638x test"));
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uint8_t val=0;
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for(uint8_t i=0;i<5;i++){
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//setDataInstruction(DISPLAY_TURN_ON | _pulse);
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displayTurnOn();
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setDataInstruction(INSTRUCTION_WRITE_DATA| INSTRUCTION_ADDRESS_AUTO);
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ArduinoPins::fastWriteDigital(_stb_pin, LOW);
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writeData(FIRST_DISPLAY_ADDRESS);
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for(uint8_t i=0;i<16;i++)
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writeData(val);
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ArduinoPins::fastWriteDigital(_stb_pin, HIGH);
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delay(1000);
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val = ~val;
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}
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} |