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4 Commits
V1.03 ... v1.04

Author SHA1 Message Date
Ben V. Brown
0f3bb4c356 Bump version 1.04 2017-05-18 21:20:57 +10:00
Ben V. Brown
0ebaab5847 Add more intuitive idle screen with prompts 2017-05-18 21:20:26 +10:00
Ben V. Brown
203a7c154b Add official Schematic 2017-05-18 19:51:55 +10:00
Ben V. Brown
ebfe457f65 Add Temperature calibration, improve temp accuracy 2017-05-18 19:51:47 +10:00
10 changed files with 166 additions and 24 deletions

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@@ -15,6 +15,6 @@
extern volatile uint16_t ADC1ConvertedValue[2];
uint16_t Get_ADC1Value(uint8_t i);
uint16_t readIronTemp(uint16_t calibration,uint8_t read);//read the iron temp in C X10
uint16_t readIronTemp(uint16_t calibration_temp, uint8_t read,uint16_t setPointTemp); //read the iron temp in C X10
uint16_t readDCVoltage();/*Get the system voltage X10*/
#endif /* ANALOG_H_ */

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@@ -97,4 +97,70 @@ const uint8_t FONT[]={
0x00,0x00,0x00,0x00,0x0F,0x0F,0x0F,0x0F,0x00,0x00,0x00,0x00,/*.*/
};
const uint8_t Iron_Base[] ={
0x00,0x20,0x60,0x60,0x60,0x60,0x60,0x60,0x90,0x90,0x90,0x90,
0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,
0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x60,0x60,0x60,
0x60,0x60,0x60,0x60,0x60,0x70,0xF8,0x88,0x84,0x82,0x82,0x83,
0x83,0x83,0x83,0x83,0x83,0x82,0x82,0x82,0x82,0x83,0x83,0x83,
0x83,0x83,0x83,0x82,0x82,0x82,0x82,0x82,0x86,0x84,0x84,0x84,
0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,
0x84,0x84,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0xFE,0x00,
};
//The top pixel row for left arrow / on hint
const uint8_t Iron_LeftArrow_UP[] = {
0x00,0x7C,0x82,0x82,0x82,0x7C,0x00,0xFE,0x08,0x10,0x20,0xFE,//ON
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x88,
0x98,0xBF,0xBF,0x98,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
const uint8_t Iron_LeftArrow_DOWN[] = {
0x00,0x7C,0x82,0x82,0x82,0x7C,0x00,0xFE,0x08,0x10,0x20,0xFE,//ON
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,
0x30,0x7E,0x7E,0x30,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
//The top pixel row for both arrows /
const uint8_t Iron_BothArrows[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x88,
0x98,0xBF,0xBF,0x98,0x88,0x00,0x00,0x00,0x00,0x88,0x98,0xBF,
0xBF,0x98,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
//The top pixel row for right arrow / settings hint
const uint8_t Iron_RightArrow_UP[] = {
0x00,0x8C,0x92,0x92,0x92,0x62,0x00,0xFE,0x92,0x92,0x92,0x82,//SE
0x00,0x02,0x02,0xFE,0x02,0x02,0x00,0x02,0x02,0xFE,0x02,0x02,//TT
0x00,0x00,0x82,0xFE,0x82,0x00,0x00,0xFE,0x08,0x10,0x20,0xFE,//IN
0x00,0x7C,0x82,0x82,0xA2,0x62,0x00,0x8C,0x92,0x92,0x92,0x62,//GS
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x88,0x98,0xBF,
0xBF,0x98,0x88,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
const uint8_t Iron_RightArrow_DOWN[] = {
0x00,0x8C,0x92,0x92,0x92,0x62,0x00,0xFE,0x92,0x92,0x92,0x82,//SE
0x00,0x02,0x02,0xFE,0x02,0x02,0x00,0x02,0x02,0xFE,0x02,0x02,//TT
0x00,0x00,0x82,0xFE,0x82,0x00,0x00,0xFE,0x08,0x10,0x20,0xFE,//IN
0x00,0x7C,0x82,0x82,0xA2,0x62,0x00,0x8C,0x92,0x92,0x92,0x62,//GS
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x30,0x7E,
0x7E,0x30,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
#endif /* FONT_H_ */

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@@ -26,6 +26,7 @@ enum {
UVLOWARN,
THERMOMETER,
DCINDISP,
TEMPCAL,
} operatingMode;
enum {

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@@ -26,6 +26,6 @@ void OLED_DrawString(char* string, uint8_t length);
void OLED_DrawChar(char c, uint8_t x);
void OLED_DrawTwoNumber(uint8_t in, uint8_t x);
void OLED_DrawThreeNumber(uint16_t in, uint8_t x);
void OLED_DrawIDLELogo();
#endif
/******************************** END OF FILE *********************************/

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@@ -105,16 +105,30 @@ uint16_t Get_ADC1Value(uint8_t i) {
}
//This returns the calibrated temperature reading of the iron temp
//inputs : calibration value / wether to take a new reading or not
uint16_t readIronTemp(uint16_t calibration_temp, uint8_t read) {
uint16_t readIronTemp(uint16_t calibration_temp, uint8_t read,
uint16_t setPointTemp) {
static uint16_t calTemp = 0;
static uint16_t lastVal = 0;
static uint16_t lastSetTemp;
if(setPointTemp!=0xFFFF)
lastSetTemp = setPointTemp;
if (calibration_temp != 0)
calTemp = calibration_temp;
if (read) {
lastVal = (readTipTemp() * 1000 + 806 * readSensorTemp()
- calTemp * 1000) / 806;
int16_t compensation = 80 + 150 * (lastSetTemp - 1000) / 3000;
int16_t tipTemp = readTipTemp();
int16_t ColdJTemp = readSensorTemp();
if (lastSetTemp == 1000)
compensation -= 10;
if (lastSetTemp != 0) {
if (tipTemp > (compensation + calTemp))
tipTemp -= compensation;
}
if (ColdJTemp > 400)
ColdJTemp = 400;
lastVal = (tipTemp * 1000 + 807 * ColdJTemp - calTemp * 1000) / 807;
}

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@@ -24,20 +24,20 @@ void setup() {
RCC_Config(); //setup system clock
NVIC_Config(0x4000); //this shifts the NVIC table to be offset, for the usb bootloader's size
GPIO_Config(); //setup all the GPIO pins
Init_EXTI(); //init the EXTI inputs
Init_EXTI(); //Init the EXTI inputs
Init_Timer3(); //Used for the soldering iron tip
Adc_Init(); //init adc and dma
Adc_Init(); //Init adc and DMA
I2C_Configuration(); //Start the I2C hardware
GPIO_Init_OLED(); //Init the GPIO ports for the OLED
restoreSettings(); //Load settings
StartUp_Accelerometer(systemSettings.sensitivity); //start the accelerometer
setupPID(); //init the PID values
readIronTemp(239, 0); //load the default calibration value
Init_Oled(systemSettings.flipDisplay); //init the OLED display
setupPID(); //Init the PID values
readIronTemp(systemSettings.tempCalibration, 0,0); //load the default calibration value
Init_Oled(systemSettings.flipDisplay); //Init the OLED display
OLED_DrawString("VER 1.03", 8); //1.settings version as of current
OLED_DrawString("VER 1.04", 8); //
delayMs(800); //Pause to show version number
Start_Watchdog(1000); //start the system watch dog as 1 second timeout
}

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@@ -5,6 +5,7 @@
* Author: Ralim <ralim@ralimtek.com>
*/
#include "Modes.h"
uint8_t tempCalStatus = 0;
//This does the required processing and state changes
void ProcessUI() {
uint8_t Buttons = getButtons(); //read the buttons status
@@ -158,7 +159,7 @@ void ProcessUI() {
case COOLING: {
setIronTimer(0); //turn off heating
//This mode warns the user the iron is still cooling down
uint16_t temp = readIronTemp(0, 1); //take a new reading as the heater code is not taking new readings
uint16_t temp = readIronTemp(0, 1, 0xFFFF); //take a new reading as the heater code is not taking new readings
if (temp < 400) { //if the temp is < 40C then we can go back to IDLE
operatingMode = STARTUP;
} else if (Buttons & (BUT_A | BUT_B)) { //we check if the user has pushed a button to ack
@@ -177,9 +178,12 @@ void ProcessUI() {
case THERMOMETER: {
//This lets the user check the tip temp without heating the iron.. And eventually calibration will be added here
if ((Buttons == BUT_A) | (Buttons == BUT_B)) {
if (Buttons == BUT_A) {
//Single button press, cycle over to the DC display
operatingMode = DCINDISP;
} else if (Buttons == BUT_B) {
tempCalStatus = 0;
operatingMode = TEMPCAL;
} else if (Buttons == (BUT_A | BUT_B)) {
//If the user is holding both button, exit the screen
operatingMode = STARTUP;
@@ -190,7 +194,7 @@ void ProcessUI() {
case DCINDISP: {
//This lets the user check the input voltage
if ((Buttons == BUT_A) | (Buttons == BUT_B)) {
if (Buttons == BUT_A) {
//Single button press, cycle over to the temp display
operatingMode = THERMOMETER;
} else if (Buttons == (BUT_A | BUT_B)) {
@@ -198,6 +202,28 @@ void ProcessUI() {
operatingMode = STARTUP;
}
}
break;
case TEMPCAL: {
if (Buttons == BUT_B) {
//Single button press, cycle over to the DC IN
operatingMode = THERMOMETER;
} else if (Buttons == BUT_A) {
//Try and calibrate
if (tempCalStatus == 0) {
if ((readTipTemp() < 300) && (readSensorTemp() < 300)) {
tempCalStatus = 1;
systemSettings.tempCalibration = readTipTemp();
saveSettings();
} else {
tempCalStatus = 2;
}
}
} else if (Buttons == (BUT_A | BUT_B)) {
//If the user is holding both button, exit the screen
operatingMode = STARTUP;
}
}
break;
default:
@@ -210,6 +236,8 @@ void ProcessUI() {
void drawTemp(uint16_t temp, uint8_t x) {
if (systemSettings.displayTempInF)
temp = (temp * 9 + 1600) / 5;/*Convert to F -> T*(9/5)+32*/
if (temp % 10 > 5)
temp += 10;//round up
OLED_DrawThreeNumber(temp / 10, x);
}
@@ -217,7 +245,7 @@ void drawTemp(uint16_t temp, uint8_t x) {
* Performs all the OLED drawing for the current operating mode
*/
void DrawUI() {
uint16_t temp = readIronTemp(0, 0);
uint16_t temp = readIronTemp(0, 0, 0xFFFF);
switch (operatingMode) {
case STARTUP:
//We are chilling in the idle mode
@@ -228,7 +256,8 @@ void DrawUI() {
Oled_DisplayOff();
} else {
Oled_DisplayOn();
OLED_DrawString(" IDLE ", 8); //write the word IDLE
//OLED_DrawString(" IDLE ", 8); //write the word IDLE
OLED_DrawIDLELogo();
}
break;
case SOLDERING:
@@ -336,7 +365,7 @@ void DrawUI() {
OLED_DrawString("LOW VOLT", 8);
break;
case THERMOMETER:
temp = readIronTemp(0, 1); //Force a reading as heater is off
temp = readIronTemp(0, 1, 0xFFFF); //Force a reading as heater is off
OLED_DrawString("TEMP ", 5);//extra one to it clears the leftover 'L' from IDLE
drawTemp(temp, 5);
break;
@@ -353,6 +382,18 @@ void DrawUI() {
OLED_DrawChar(' ', 7);
}
break;
case TEMPCAL: {
if (tempCalStatus == 0) {
OLED_DrawString("CAL TEMP", 8);
} else if (tempCalStatus == 1) {
OLED_DrawString("CAL OK ", 8);
} else if (tempCalStatus == 2) {
OLED_DrawString("CAL FAIL", 8);
}
}
break;
default:
break;

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@@ -19,7 +19,7 @@ int8_t displayOffset = 32;
/*All commands are prefixed with 0x80*/
u8 OLED_Setup_Array[46] = { 0x80, 0xAE,/*Display off*/
0x80, 0xD5,/*Set display clock divide ratio / osc freq*/
0x80, 0x52,/**/
0x80, 0x52,/*Unknown*/
0x80, 0xA8,/*Set Multiplex Ratio*/
0x80, 0x0F, /*16 == max brightness,39==dimmest*/
0x80, 0xC0,/*Set COM Scan direction*/
@@ -28,7 +28,7 @@ u8 OLED_Setup_Array[46] = { 0x80, 0xAE,/*Display off*/
0x80, 0x40,/*Set Display start line to 0*/
0x80, 0xA0,/*Set Segment remap to normal*/
0x80, 0x8D,/*Unknown*/
0x80, 0x14,/**/
0x80, 0x14,/*Unknown*/
0x80, 0xDA,/*Set VCOM Pins hardware config*/
0x80, 0x02,/*Combination 2*/
0x80, 0x81,/*Contrast*/
@@ -36,7 +36,7 @@ u8 OLED_Setup_Array[46] = { 0x80, 0xAE,/*Display off*/
0x80, 0xD9,/*Set pre-charge period*/
0x80, 0xF1,/**/
0x80, 0xDB,/*Adjust VCOMH regulator ouput*/
0x80, 0x30,/**/
0x80, 0x30,/*Unknown*/
0x80, 0xA4,/*Enable the display GDDR*/
0x80, 0XA6,/*Normal display*/
0x80, 0xAF /*Dispaly on*/
@@ -105,7 +105,7 @@ void Set_ShowPos(u8 x, u8 y) {
Function:Oled_DrawArea
Description:
Inputs:(x,y) start point, (width,height) of enclosing rect, pointer to data
Output: last byte written out
Output: pointer to the last byte written out
*******************************************************************************/
u8* Oled_DrawArea(u8 x0, u8 y0, u8 wide, u8 high, u8* ptr) {
u8 m, n, y;
@@ -234,3 +234,23 @@ void OLED_DrawFourNumber(uint16_t in, uint8_t x) {
OLED_DrawChar((in / 10) % 10, x + 2);
OLED_DrawChar(in % 10, x + 3);
}
void OLED_DrawIDLELogo() {
static uint8_t drawAttempt = 0;
drawAttempt++;
if (drawAttempt & 0x80) {
if (drawAttempt & 0x08)
Oled_DrawArea(0, 0, 96, 8, (u8*) Iron_RightArrow_UP);
else
Oled_DrawArea(0, 0, 96, 8, (u8*) Iron_RightArrow_DOWN);
Oled_DrawArea(0, 8, 96, 8, (u8*) Iron_Base);
} else {
if (drawAttempt & 0x08)
Oled_DrawArea(0, 0, 96, 8, (u8*) Iron_LeftArrow_UP);
else
Oled_DrawArea(0, 0, 96, 8, (u8*) Iron_LeftArrow_DOWN);
Oled_DrawArea(0, 8, 96, 8, (u8*) Iron_Base);
}
}

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@@ -12,7 +12,7 @@
int32_t computePID(uint16_t setpoint) {
int32_t ITerm = 0;
static int16_t lastReading = 0;
uint16_t currentReading = readIronTemp(0, 1); //get the current temp of the iron
uint16_t currentReading = readIronTemp(0, 1,setpoint); //get the current temp of the iron
int16_t error = (int16_t) setpoint - (int16_t) currentReading; //calculate the error term
ITerm += (pidSettings.ki * error);
if (ITerm > MAXPIDOUTPUT)
@@ -34,7 +34,7 @@ int32_t computePID(uint16_t setpoint) {
}
/*Sets up the pid values*/
void setupPID(void) {
pidSettings.kp = 22;
pidSettings.kp = 25;
pidSettings.ki = 7;
pidSettings.kd = 2;