Fist functioning version of the pca9685

developpment/drivers/pca9685/pca9685.cpp

@@ -7,7 +7,7 @@ Pca9685::Pca9685(i2c_ch1_pImpL* i2c, ErrorHandler* err)
 	errorHandling = err; 
 	m_isExternalClock = 0; 	
 	m_oscillatorFreq = PCA9685_FREQUENCY_OSCILLATOR;
-	setPwmFreq(200); 
+	setPwmFreq(48); 
 	m_currentLED = PCA9685_LED_PWM_REG_START; 
 
 	errorHandling->addNewError(-1,__FILE__,"Selected duty cycle is too big",KILL);
@@ -16,10 +16,13 @@ Pca9685::Pca9685(i2c_ch1_pImpL* i2c, ErrorHandler* err)
 	errorHandling->addNewError(-4,__FILE__,"Selected PWM frequency is too slow",SPARE);
 	errorHandling->addNewError(-5,__FILE__,"Oscillator frequency can't be 0 or inferior to 0",KILL);
 	errorHandling->addNewError(-6,__FILE__,"Oscillator frequency cant't be higher than 50 MHz",KILL);
-
+	errorHandling->addNewError(-7,__FILE__,"On Duty Cyle if greater than alowed maximum of 4095",SPARE);
+	errorHandling->addNewError(-8,__FILE__,"Off Duty Cyle if greater than alowed maximum of 4095",SPARE);
+	errorHandling->addNewError(-9,__FILE__,"Cumulation of the On & Off Duty Cyle if greater than alowed maximum of 4095",SPARE);
+	errorHandling->addNewError(-10,__FILE__,"On & Off Duty Cyle can't be equal to each other",SPARE);
 }
 
-/*Refere to datasheet page 52 
+/*Refere to datasheet page 25 
  *
  *
  *						osc_clock 
@@ -47,7 +50,7 @@ void Pca9685::setPwmFreq(uint16_t frequency)
 	}
 
 	m_currentPrescale = (m_oscillatorFreq / ( 4096 * frequency) ) -1;
-	
+	std::cout << "Prescaler is set to: " << unsigned(m_currentPrescale) << std::endl; 	
 	sleep(); 
 	i2c_pca9685->writeWord(PCA9685_I2C_ADDRESS, PCA9685_REG_PRESCALE, m_currentPrescale);
 	wakeup(); 
@@ -61,20 +64,48 @@ void Pca9685::setDutyPercent(uint8_t ledNo, uint8_t on, uint8_t off)
 {
 	
 }
-void Pca9685::setDutyRaw(uint8_t ledNo, uint8_t on, uint8_t off)
+void Pca9685::setDutyRaw(uint8_t ledNo, uint16_t on, uint16_t off)
 {
 	m_currentLED = PCA9685_LED_PWM_REG_START + (ledNo * PCA9685_LED_NEXT_OFFSET); 
 	
-	std::cout << "Led" <<unsigned(ledNo)<<" ON L : " << unsigned(m_currentLED) << std::endl; 
+	if(on > 4095)
-	std::cout << "Led" <<unsigned(ledNo)<<" ON H : " << unsigned(m_currentLED+PCA9685_PWM_ON_H_OFFSET) << std::endl; 
+	{
-	std::cout << "Led" <<unsigned(ledNo)<<" OFF L : " << unsigned(m_currentLED+PCA9685_PWM_OFF_L_OFFSET) << std::endl; 
+		on = 4095; 
-	std::cout << "Led" <<unsigned(ledNo)<<" 0FF H : " << unsigned(m_currentLED+PCA9685_PWM_OFF_H_OFFSET) << std::endl; 
+		off = 0; 
+		errorHandling->handleError(-7,__FILE__); 
+	}
+	
+	if(off > 4095)
+	{
+		off = 4095; 
+		on = 0; 
+		errorHandling->handleError(-8,__FILE__); 
+	}
+
+	if(on + off > 4095)
+	{
+		off = 4095; 
+		on = 0; 
+		errorHandling->handleError(-9,__FILE__); 
+	}
 	
+	if(on == off)
+	{
+		off = 4095; 
+		on = 0; 
+		errorHandling->handleError(-10,__FILE__); 
+	}
 
+	i2c_pca9685->writeWord(PCA9685_I2C_ADDRESS, m_currentLED, on & 0xFF);
+	i2c_pca9685->writeWord(PCA9685_I2C_ADDRESS, m_currentLED + PCA9685_PWM_ON_H_OFFSET, on >> 8);
+	i2c_pca9685->writeWord(PCA9685_I2C_ADDRESS, m_currentLED + PCA9685_PWM_OFF_L_OFFSET, off & 0xFF);
+	i2c_pca9685->writeWord(PCA9685_I2C_ADDRESS, m_currentLED + PCA9685_PWM_OFF_H_OFFSET, off >> 8);
 }
+
 void Pca9685::setDutyMicroSecond(uint8_t ledNo, uint16_t on, uint16_t off)
 {
 }
+
 void Pca9685::setOnOff(uint8_t ledNo, bool onOff, bool invert)
 {
 	

developpment/drivers/pca9685/pca9685.h

@@ -60,7 +60,7 @@ class Pca9685
 		void setPwmFreq(uint16_t frequency);
 		void setPwmMicroSeconds(uint16_t microSeconds);
 		void setDutyPercent(uint8_t ledNo, uint8_t on, uint8_t off);
-		void setDutyRaw(uint8_t ledNo, uint8_t on, uint8_t off);
+		void setDutyRaw(uint8_t ledNo, uint16_t on, uint16_t off);
 		void setDutyMicroSecond(uint8_t ledNo, uint16_t on, uint16_t off);
 		void setOnOff(uint8_t ledNo, bool onOff, bool invert);
 		void confClk(bool internExtern, uint32_t freq);

developpment/interfacer.cpp

@@ -55,10 +55,9 @@ int main(int argc, char *argv[])
 	std::cout << "Main" << std::endl;
 	//	errorHandle.addNewError(-34,__FILE__,"Test eroor 2",KILL); 
 	//	errorHandle.handleError(-34,__FILE__); 
-	pwmGenarator.setDutyRaw(1,200,200);
+	pwmGenarator.setDutyRaw(0,0,atoi(argv[2]));
 	commander.addNewCommand("i2c", "The test command for testing the test", dummy); 
 	commander(argv[1]); 	
 
-
 	return 1; 
 }