mirror of https://github.com/arendst/Tasmota.git
remove obsolete lib
This commit is contained in:
gemu2015
parent
a7fb362e1c
commit
1f4b2f7ae5
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#include <Wire.h>
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#include <FT6236.h>
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/*
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* This is a static library so we need to make sure we process stuff as quick as possible
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* as we do not want it to interfere with the RTOS by delaying routines unnecessarily.
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* So, no delay()'s etc and opto the code as much as possible.
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* ^^^ Need to be on TODO list to go through and make sure everything is as opto as
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* possible
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*/
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uint8_t FT6236buf[FT6236_BUFFER_SIZE];
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uint8_t FT6236_i2c_addr = 0x38;
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uint8_t lenLibVersion = 0;
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uint8_t firmwareId = 0;
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struct tbuttonregister {
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uint16_t BUTTONID;
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uint16_t xmin;
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uint16_t xmax;
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uint16_t ymin;
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uint16_t ymax;
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} buttonregister[FT6236_MAX_BUTTONS]; // we're limiting to 16 buttons for now - can reduce or increase later as needed.
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uint8_t buttoncount = 0;
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void FT6236flushbuttonregister(void) {
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uint16_t bid;
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for (bid=0;bid<FT6236_MAX_BUTTONS;bid++) {
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buttonregister[bid].BUTTONID=0;
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buttonregister[bid].xmin=0;
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buttonregister[bid].xmax=0;
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buttonregister[bid].ymin=0;
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buttonregister[bid].ymax=0;
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}
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buttoncount=0;
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}
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void FT6236registerbutton(uint16_t buttonid,uint16_t xmin,uint16_t ymin,uint16_t xmax, uint16_t ymax) {
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buttonregister[buttoncount].BUTTONID=buttonid;
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buttonregister[buttoncount].xmin=xmin;
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buttonregister[buttoncount].xmax=xmax;
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buttonregister[buttoncount].ymin=ymin;
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buttonregister[buttoncount].ymax=ymax;
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buttoncount++;
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}
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uint16_t FT6236GetButtonMask(void) {
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uint16 bid;
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TouchLocation tl[2];
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uint8_t count = FT6236readTouchLocation(tl,2);
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if (count > 0) {
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uint16_t x = tl[0].x;
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uint16_t y = tl[0].y;
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for (bid=0;bid<buttoncount;bid++) {
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if (x >= buttonregister[bid].xmin) {
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if (x <= buttonregister[bid].xmax) {
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if (y >= buttonregister[bid].ymin) {
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if (y <= buttonregister[bid].ymax) {
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return buttonregister[bid].BUTTONID;
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}
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}
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}
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}
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}
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}
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return 0;
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}
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void FT6236begin(uint8_t i2c_addr) {
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FT6236_i2c_addr=i2c_addr;
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Wire.begin();
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FT6236writeTouchRegister(0,FT6236_MODE_NORMAL);
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lenLibVersion = FT6236readTouchAddr(0x0a1, FT6236buf, 2 );
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firmwareId = FT6236readTouchRegister( 0xa6 );
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}
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void FT6236writeTouchRegister(uint8_t reg, uint8_t val)
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{
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Wire.beginTransmission(FT6236_i2c_addr);
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Wire.write(reg); // register 0
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Wire.write(val); // value
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Wire.endTransmission();
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}
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uint8_t FT6236readTouchRegister(uint8_t reg)
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{
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Wire.beginTransmission(FT6236_i2c_addr);
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Wire.write(reg); // register 0
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uint8_t retVal = Wire.endTransmission();
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uint8_t returned = Wire.requestFrom(FT6236_i2c_addr,uint8_t(1)); // request 6 uint8_ts from slave device #2
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if (Wire.available())
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{
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retVal = Wire.read();
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}
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return retVal;
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}
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uint8_t FT6236readTouchAddr( uint8_t regAddr, uint8_t * pBuf, uint8_t len )
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{
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Wire.beginTransmission(FT6236_i2c_addr);
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Wire.write( regAddr ); // register 0
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uint8_t retVal = Wire.endTransmission();
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uint8_t returned = Wire.requestFrom(FT6236_i2c_addr, len); // request 1 bytes from slave device #2
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uint8_t i;
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for (i = 0; (i < len) && Wire.available(); i++) {
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pBuf[i] = Wire.read();
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}
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return i;
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}
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uint8_t FT6236readTouchLocation( TouchLocation * pLoc, uint8_t num )
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{
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uint8_t retVal = 0;
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uint8_t i;
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uint8_t k;
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do
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{
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if (!pLoc) break; // must have a buffer
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if (!num) break; // must be able to take at least one
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uint8_t status = FT6236readTouchRegister(2);
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static uint8_t tbuf[40];
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if ((status & 0x0f) == 0) break; // no points detected
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uint8_t hitPoints = status & 0x0f;
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FT6236readTouchAddr( 0x03, tbuf, hitPoints*6);
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for (k=0,i = 0; (i < hitPoints*6)&&(k < num); k++, i += 6) {
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pLoc[k].x = (tbuf[i+0] & 0x0f) << 8 | tbuf[i+1];
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pLoc[k].y = (tbuf[i+2] & 0x0f) << 8 | tbuf[i+3];
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}
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retVal = k;
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} while (0);
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return retVal;
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}
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uint32_t FT6236dist(const TouchLocation & loc)
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{
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uint32_t retVal = 0;
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uint32_t x = loc.x;
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uint32_t y = loc.y;
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retVal = x*x + y*y;
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return retVal;
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}
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/*
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uint32_t FT6236dist(const TouchLocation & loc1, const TouchLocation & loc2)
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{
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uint32_t retVal = 0;
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uint32_t x = loc1.x - loc2.x;
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uint32_t y = loc1.y - loc2.y;
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retVal = sqrt(x*x + y*y);
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return retVal;
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}
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*/
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bool FT6236sameLoc( const TouchLocation & loc, const TouchLocation & loc2 )
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{
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return FT6236dist(loc,loc2) < 50;
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}
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@ -1,28 +0,0 @@
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#ifndef FT6236
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#define FT6236
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#define FT6236_MODE_NORMAL 0x00
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#define FT6236_MODE_TEST 0x04
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#define FT6236_MODE_SYSTEM 0x01
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#define FT6236_BUFFER_SIZE 0x1E // 30 bytes buffer
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#define FT6236_MAX_BUTTONS 1 // 50 buttons should be enough for just about any page
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struct TouchLocation {
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uint16_t y; // we swop x and y in position because we're using the screen in portrait mode
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uint16_t x;
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};
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void FT6236flushbuttonregister(void);
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void FT6236registerbutton(uint16_t buttonid,uint16_t xmin,uint16_t ymin,uint16_t xmax, uint16_t ymax);
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uint16_t FT6236GetButtonMask(void);
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void FT6236begin(uint8_t i2c_addr);
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uint8_t FT6236readTouchRegister( uint8_t reg );
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uint8_t FT6236readTouchLocation( TouchLocation * pLoc, uint8_t num );
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uint8_t FT6236readTouchAddr( uint8_t regAddr, uint8_t * pBuf, uint8_t len );
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void FT6236writeTouchRegister( uint8_t reg, uint8_t val);
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uint32_t FT6236dist(const TouchLocation & loc);
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uint32_t FT6236dist(const TouchLocation & loc1, const TouchLocation & loc2);
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bool FT6236sameLoc( const TouchLocation & loc, const TouchLocation & loc2 );
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#endif
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