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Added full latin1 alphabet, cool special chars and other enhancements #1

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0e314a5
Create README.md
aimass Sep 24, 2021
57088d8
proposed changes for v1.1 pull request
aimass Sep 24, 2021
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277 changes: 165 additions & 112 deletions LedKeypad.cpp
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Original file line number Diff line number Diff line change
@@ -1,45 +1,83 @@
/*!
* @file LedKeypad.cpp
* @brief LedKeypad.cpp LedKeypad.cpp Prepared for the LedKeypad library function for displaying numbers and letters
*
* LedKeypad.cpp Prepared for the LedKeypad library function for displaying numbers and letters
*
* @author linfeng(490289303@qq.com)
* @version V1.0
* @date 2015-12-11
*/
#include "LedKeypad.h"
#include <avr/pgmspace.h>

char LedKeypad::onlineTime[2]={0,0}; ///< time:onlineTime[0],minute time_online[1]hour
uint8_t LedKeypad::dotFlag = 0; ///<
uint8_t LedKeypad::brightness = 0; ///<The current brightness level
uint16_t LedKeypad::lastTime=0,LedKeypad::disTime=0,LedKeypad::ledTime=0; ///<Timer
uint8_t LedKeypad::brightness7[8]={0x19,0x29,0x39,0x49,0x59,0x69,0x79,0x09}; ///<1 to 8 - level brightness 7-SEG LED
uint8_t LedKeypad::brightness8[8]={0x11,0x21,0x31,0x41,0x51,0x61,0x71,0x01}; ///<1 to 8 - level brightness 8-SEG LED

/*
a
---
f| g |b
---
e| |c
--- . x
d

char LedKeypad::onlineTime[2]={0,0}; ///< time:onlineTime[0],minute£»time_online[1]hour
unsigned char LedKeypad::dotFlag = 0; ///<
unsigned char LedKeypad::brightness = 0; ///<The current brightness level
unsigned long LedKeypad::lastTime=0,LedKeypad::disTime=0,LedKeypad::ledTime=0; ///<Timer
unsigned char LedKeypad::brightness7[8]={0x19,0x29,0x39,0x49,0x59,0x69,0x79,0x09}; ///<1 to 8 - level brightness£¨7-SEG LED£©
unsigned char LedKeypad::brightness8[8]={0x11,0x21,0x31,0x41,0x51,0x61,0x71,0x01}; ///<1 to 8 - level brightness£¨8-SEG LED£©
unsigned char LedKeypad::ledVal[17]=
Note: The TM1650 chip uses gfedcba encoding, x is the dot (MSb)

*/
// xgfedcba Char Displays gfedcba-hex
const uint8_t C00 PROGMEM = 0b00111111; // 0 0 0x3F
const uint8_t C01 PROGMEM = 0b00000110; // 1 1 0x06
const uint8_t C02 PROGMEM = 0b01011011; // 2 2 0x5B
const uint8_t C03 PROGMEM = 0b01001111; // 3 3 0x4F
const uint8_t C04 PROGMEM = 0b01100110; // 4 4 0x66
const uint8_t C05 PROGMEM = 0b01101101; // 5 5 0x6D
const uint8_t C06 PROGMEM = 0b01111101; // 6 6 0x7D
const uint8_t C07 PROGMEM = 0b00000111; // 7 7 0x04
const uint8_t C08 PROGMEM = 0b01111111; // 8 8 0x7F
const uint8_t C09 PROGMEM = 0b01101111; // 9 9 0x6F
const uint8_t C10 PROGMEM = 0b01110111; // A A 0x77
const uint8_t C11 PROGMEM = 0b01111100; // B b 0x7C
const uint8_t C12 PROGMEM = 0b00111001; // C C 0x39
const uint8_t C13 PROGMEM = 0b01011110; // D d 0x5E
const uint8_t C14 PROGMEM = 0b01111001; // E E 0x79
const uint8_t C15 PROGMEM = 0b01110001; // F F 0x71
const uint8_t C16 PROGMEM = 0b00111101; // G G 0x3D
const uint8_t C17 PROGMEM = 0b01110110; // H H 0x76
const uint8_t C18 PROGMEM = 0b00110000; // I I 0x30
const uint8_t C19 PROGMEM = 0b00001110; // J J 0x0E
const uint8_t C20 PROGMEM = 0b00000000; // K K 0x00 blank
const uint8_t C21 PROGMEM = 0b00111000; // L L 0x38
const uint8_t C22 PROGMEM = 0b00000000; // M M 0x00 blank
const uint8_t C23 PROGMEM = 0b01010100; // N n 0x54
const uint8_t C24 PROGMEM = 0b01011100; // O o 0x5C
const uint8_t C25 PROGMEM = 0b01110001; // P P 0x71
const uint8_t C26 PROGMEM = 0b01100111; // Q q 0x67
const uint8_t C27 PROGMEM = 0b01010000; // R r 0x50
const uint8_t C28 PROGMEM = 0b01101101; // S S 0x6D (same as 5)
const uint8_t C29 PROGMEM = 0b01111000; // T t 0x78
const uint8_t C30 PROGMEM = 0b00111110; // U U 0x3E
const uint8_t C31 PROGMEM = 0b00000000; // V V 0x00 blank
const uint8_t C32 PROGMEM = 0b00000000; // W W 0x00 blank
const uint8_t C33 PROGMEM = 0b00000000; // X X 0x00 blank
const uint8_t C34 PROGMEM = 0b01101110; // Y Y 0x6E
const uint8_t C35 PROGMEM = 0b00000000; // Z Z 0x00 blank
const uint8_t C36 PROGMEM = 0b01100011; // * Degree 0x63
const uint8_t C37 PROGMEM = 0b01000000; // - - 0x40
const uint8_t C38 PROGMEM = 0b00001000; // _ _ 0x08
const uint8_t C39 PROGMEM = 0b00100000; // ' ' 0x20
const uint8_t C40 PROGMEM = 0b00100010; // " " 0x22

const uint8_t ledVal[41] PROGMEM =
{
0x3F, ///< 0
0x06, ///< 1
0x5B, ///< 2
0x4F, ///< 3
0x66, ///< 4
0x6D, ///< 5
0x7D, ///< 6
0x07, ///< 7
0x7F, ///< 8
0x6F, ///< 9
0x77, ///< A
0x7C, ///< b
0x39, ///< c
0x5E, ///< d
0x79, ///< E
0x71, ///< F
0x40 ///< -
C00,C01,C02,C03,C04,C05,
C06,C07,C08,C09,C10,C11,
C12,C13,C14,C15,C16,C17,
C18,C19,C20,C21,C22,C23,
C24,C25,C26,C27,C28,C29,
C30,C31,C32,C33,C34,C35,
C36,C37,C38,C39,C40
}; ///<cathode
char LedKeypad::ledByte[4]={0X68,0X6A,0X6C,0X6E}; ///<Digital tube selection

uint8_t LedKeypad::ledByte[4]={0x68,0x6A,0x6C,0x6E}; ///<Digital tube selection

uint8_t LedKeypad::getLedVal(uint8_t index){
return pgm_read_byte_near (&ledVal[index]);
}

/*!
* @brief IO configuration
Expand All @@ -51,8 +89,8 @@ char LedKeypad::ledByte[4]={0X68,0X6A,0X6C,0X6E}; ///<Digital tube selection

void LedKeypad::begin(void)
{
pinMode(SDA_pin,OUTPUT);
pinMode(SCL_pin,OUTPUT);
pinMode(SDA_pin,OUTPUT);
pinMode(SCL_pin,OUTPUT);
}

/*!
Expand All @@ -64,7 +102,7 @@ void LedKeypad::begin(void)
*/
void LedKeypad::setBrightness(unsigned char brightness)
{
tm1650Send(0x48,brightness8[brightness]);
tm1650Send(0x48,brightness8[brightness]);
}
/*!
* @brief Show decimal point
Expand All @@ -73,13 +111,12 @@ void LedKeypad::setBrightness(unsigned char brightness)
*
* @return void
*/
void LedKeypad::dotShow(char temp)
void LedKeypad::dotShow(uint8_t addr)
{

unsigned char i = 1;
i <<= temp;
dotFlag |= i;
tm1650Send(ledByte[temp],ledVal[ledByteVal_[temp]]|0x80);
uint8_t i = 1;
i <<= addr;
dotFlag |= i;
display(addr,ledByteVal_[addr]);
}
/*!
* @brief Close the decimal point
Expand All @@ -88,12 +125,12 @@ void LedKeypad::dotShow(char temp)
*
* @return void
*/
void LedKeypad::dotVanish(char temp)
void LedKeypad::dotVanish(uint8_t addr)
{
unsigned char i = 1;
i <<= temp;
dotFlag &= ~i;
tm1650Send(ledByte[temp],ledVal[ledByteVal_[temp]]);
uint8_t i = 1;
i <<= addr;
dotFlag &= ~i;
display(addr,ledByteVal_[addr]);
}
/*!
* @brief Enable TM1650
Expand All @@ -104,12 +141,12 @@ void LedKeypad::dotVanish(char temp)
*/
void LedKeypad::tm1650Begin(void)
{
digitalWrite(SCL_pin,HIGH);
digitalWrite(SDA_pin,HIGH);
delayMicroseconds(2);
digitalWrite(SDA_pin,LOW);
delayMicroseconds(2);
digitalWrite(SCL_pin,LOW);
digitalWrite(SCL_pin,HIGH);
digitalWrite(SDA_pin,HIGH);
delayMicroseconds(2);
digitalWrite(SDA_pin,LOW);
delayMicroseconds(2);
digitalWrite(SCL_pin,LOW);
}
/*!
* @brief Disable TM1650
Expand All @@ -120,7 +157,7 @@ void LedKeypad::tm1650Begin(void)
*/
void LedKeypad::tm1650Stop(void)
{
digitalWrite(SCL_pin,HIGH);
digitalWrite(SCL_pin,HIGH);
digitalWrite(SDA_pin,LOW);
delayMicroseconds(2);
digitalWrite(SDA_pin,HIGH);
Expand All @@ -133,7 +170,7 @@ void LedKeypad::tm1650Stop(void)
*
* @return void
*/
void LedKeypad::tm1650Write(unsigned char oneByte)
void LedKeypad::tm1650Write(uint8_t oneByte)
{
for(int i=0;i<8;i++)
{
Expand Down Expand Up @@ -164,9 +201,9 @@ void LedKeypad::tm1650Write(unsigned char oneByte)
*
* @return void
*/
void LedKeypad::tm1650Send(unsigned char addr,unsigned char data)
void LedKeypad::tm1650Send(uint8_t addr,uint8_t data)
{
tm1650Begin();
tm1650Begin();
tm1650Write(addr);
tm1650Write(data);
tm1650Stop();
Expand All @@ -176,11 +213,11 @@ void LedKeypad::tm1650Send(unsigned char addr,unsigned char data)
*
* @brief Read button analog voltage values
*
* @return char
* @return byte
*/
char LedKeypad::keyRead(void)
uint8_t LedKeypad::keyRead(void)
{
unsigned int keyVal;
unsigned int keyVal;
keyVal=analogRead(A0);
if(keyVal<150)return(KEY_DOWN);//0V-down
else if(keyVal<350)return(KEY_LEFT);//1V-LEFT
Expand All @@ -202,15 +239,15 @@ char LedKeypad::getKey(void)
unsigned long nowTime=millis();
keyOk = 0;
if(nowTime-lastTime>5){
lastTime=nowTime;
keyNumber=keyRead();
if(keyNumber){
keyCount++;
if(keyCount==10)keyOk=keyNumber;
if(keyCount>10)keyCount=11;
}else{
keyCount=0;
}
lastTime=nowTime;
keyNumber=keyRead();
if(keyNumber){
keyCount++;
if(keyCount==10)keyOk=keyNumber;
if(keyCount>10)keyCount=11;
}else{
keyCount=0;
}
}
return(keyOk);
}
Expand All @@ -224,18 +261,29 @@ char LedKeypad::getKey(void)
*/
char LedKeypad::letterTransform(char letter)
{

if(letter < 10){
return letter;
}else if(letter <= 45){
return 16;
}else if(letter<58){
return(letter-48);
}else if(letter<91){
return(letter-55);
}else if(letter < 123){
return(letter-87);
}

if(letter == 32){
return 35; //Z no char
} else if(letter == 42){
return 36;
}else if(letter == 45){
return 37;
}else if(letter == 95){
return 38;
}else if(letter == 39){
return 39;
}else if(letter == 34){
return 40;
}else if(letter < 10){
return letter;
}else if(letter<58){
return(letter-48);
}else if(letter<91){
return(letter-55);
}else if(letter < 123){
return(letter-87);
}

}
/*!
* @brief Display data
Expand All @@ -246,16 +294,16 @@ char LedKeypad::letterTransform(char letter)
*/
void LedKeypad::display(int data)
{
char number[4];
ledByteVal_[0] = data/1000;
data %= 1000;
ledByteVal_[1] = data/100;
data %= 100;
ledByteVal_[2]=data/10;
ledByteVal_[3]=data%10;
for(int i=0;i<4;i++){
display(i,ledByteVal_[i]);
}
char number[4];
ledByteVal_[0] = data/1000;
data %= 1000;
ledByteVal_[1] = data/100;
data %= 100;
ledByteVal_[2]=data/10;
ledByteVal_[3]=data%10;
for(int i=0;i<4;i++){
display(i,ledByteVal_[i]);
}
}
/*!
* @brief Display character
Expand All @@ -264,19 +312,18 @@ void LedKeypad::display(int data)
*
* @return void
*/
void LedKeypad::display(int addr,char data)
void LedKeypad::display(uint8_t addr,char data)
{
unsigned char i = 1;
i <<= addr;
data = letterTransform(data);
Serial.println(dotFlag);
ledByteVal_[addr]=data;
if(i&dotFlag){
tm1650Send(ledByte[addr],ledVal[data]+0x80);
}else{
tm1650Send(ledByte[addr],ledVal[data]);
}

unsigned char i = 1;
i <<= addr;
data = letterTransform(data);
ledByteVal_[addr]=data;
if(i&dotFlag){
tm1650Send(ledByte[addr],getLedVal(data)|0x80);
}else{
tm1650Send(ledByte[addr],getLedVal(data));
}

}
/*!
* @brief Display string
Expand All @@ -287,14 +334,20 @@ void LedKeypad::display(int addr,char data)
*/
void LedKeypad::display(const char* buf_)
{
for(int i=0;i<4;i++){
ledByteVal_[i] = *buf_++;
display(i,ledByteVal_[i]);
ledByteVal_[i] = letterTransform(ledByteVal_[i]);
tm1650Send(ledByte[i],ledVal[ledByteVal_[i]]);
}
for(int i=0;i<4;i++){
ledByteVal_[i] = *buf_++;
display(i,ledByteVal_[i]);
}
}

void LedKeypad::clear()
{
for(int i=0;i<4;i++){
tm1650Send(ledByte[i],0x00);
}
}


LedKeypad ledkeypad;


Expand Down
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