initial

initial

LowPower.h

@@ -0,0 +1,169 @@
+#ifndef LowPower_h
+#define LowPower_h
+
+#include "Arduino.h"
+
+enum period_t
+{
+	SLEEP_15MS,
+	SLEEP_30MS,	
+	SLEEP_60MS,
+	SLEEP_120MS,
+	SLEEP_250MS,
+	SLEEP_500MS,
+	SLEEP_1S,
+	SLEEP_2S,
+	SLEEP_4S,
+	SLEEP_8S,
+	SLEEP_FOREVER
+};
+
+enum bod_t
+{
+	BOD_OFF,
+	BOD_ON
+};
+
+enum adc_t
+{
+	ADC_OFF,
+	ADC_ON
+};
+
+enum timer5_t
+{
+	TIMER5_OFF,
+	TIMER5_ON
+};
+
+enum timer4_t
+{
+	TIMER4_OFF,
+	TIMER4_ON
+};
+
+enum timer3_t
+{
+	TIMER3_OFF,
+	TIMER3_ON
+};
+
+enum timer2_t
+{
+	TIMER2_OFF,
+	TIMER2_ON
+};
+
+enum timer1_t
+{
+	TIMER1_OFF,
+	TIMER1_ON
+};
+
+enum timer0_t
+{
+	TIMER0_OFF,
+	TIMER0_ON
+};
+
+enum spi_t
+{
+	SPI_OFF,
+	SPI_ON
+};
+
+enum usart0_t
+{
+	USART0_OFF,
+	USART0_ON
+};
+
+enum usart1_t
+{
+	USART1_OFF,
+	USART1_ON
+};
+
+enum usart2_t
+{
+	USART2_OFF,
+	USART2_ON
+};
+
+enum usart3_t
+{
+	USART3_OFF,
+	USART3_ON
+};
+
+enum twi_t
+{
+	TWI_OFF,
+	TWI_ON
+};
+
+enum usb_t
+{
+	USB_OFF,
+	USB_ON
+};
+
+enum idle_t
+{
+	IDLE_0,
+	IDLE_1,
+	IDLE_2
+};
+
+class LowPowerClass
+{
+	public:
+		#if defined (__AVR__)
+
+			#if defined (__AVR_ATmega328P__) || defined (__AVR_ATmega168__) 
+				void	idle(period_t period, adc_t adc, timer2_t timer2, 
+						     timer1_t timer1, timer0_t timer0, spi_t spi,
+					         usart0_t usart0, twi_t twi);
+			#elif defined __AVR_ATmega2560__
+				void	idle(period_t period, adc_t adc, timer5_t timer5, 
+							 timer4_t timer4, timer3_t timer3, timer2_t timer2,
+							 timer1_t timer1, timer0_t timer0, spi_t spi,
+							 usart3_t usart3, usart2_t usart2, usart1_t usart1, 
+							 usart0_t usart0, twi_t twi);
+			#elif defined __AVR_ATmega256RFR2__
+				void	idle(period_t period, adc_t adc, timer5_t timer5, 
+									 timer4_t timer4, timer3_t timer3, timer2_t timer2,
+				   				 timer1_t timer1, timer0_t timer0, spi_t spi,
+						       usart1_t usart1, 
+									 usart0_t usart0, twi_t twi);
+			#elif defined __AVR_ATmega32U4__	
+				void	idle(period_t period, adc_t adc, timer4_t timer4, 
+				             timer3_t timer3, timer1_t timer1, timer0_t timer0, 
+				             spi_t spi, usart1_t usart1, twi_t twi, usb_t usb);		
+			#else
+				#error "Please ensure chosen MCU is either 168, 328P, 32U4, 2560 or 256RFR2."
+			#endif
+			void	adcNoiseReduction(period_t period, adc_t adc, timer2_t timer2) __attribute__((optimize("-O1")));
+			void	powerDown(period_t period, adc_t adc, bod_t bod) __attribute__((optimize("-O1")));
+			void	powerSave(period_t period, adc_t adc, bod_t bod, timer2_t timer2) __attribute__((optimize("-O1")));
+			void	powerStandby(period_t period, adc_t adc, bod_t bod) __attribute__((optimize("-O1")));
+			void	powerExtStandby(period_t period, adc_t adc, bod_t bod, timer2_t timer2) __attribute__((optimize("-O1")));
+
+		#elif defined (__arm__)
+
+			#if defined (__SAMD21G18A__)
+				void	idle(idle_t idleMode);
+				void	standby();
+			#else
+				#error "Please ensure chosen MCU is ATSAMD21G18A."
+			#endif
+
+		#else
+
+			#error "Processor architecture is not supported."
+
+		#endif
+};
+
+extern LowPowerClass LowPower;
+#endif

old/1/tomtom.gps.auto.on/tomtom.gps.auto.on.ino

@@ -0,0 +1,49 @@
+// The TomTom Mkii Bluetooth GPS receiver does not automatically turn on when power is applied via its charging port.
+// The power button must be held for approximately 1 second to turn it on.
+// This program is intented to be used with an ardunio with an I/O pin connected to one of the leads of the power button
+// to simulate a power button press and turn the device on as soon as the arduino powers on.
+
+// pin to be connected to tomtom gps power button
+#define pwrbuttonpin 10
+// delay for simulated power button hold-down
+#define pwrbuttondelay 1200
+// built-in led pin
+#define ledpin 13
+
+void setup() {
+  //pinMode(ledpin, OUTPUT); 
+
+  // set pwrbuttonpin pin HIGH (to 5v)
+  digitalWrite(pwrbuttonpin, HIGH);
+
+  // short pwrbuttonpin to ground
+  // (simulate button press)
+  pinMode(pwrbuttonpin, OUTPUT);
+  //digitalWrite(ledpin, HIGH);
+
+  // wait
+  delay(pwrbuttondelay);
+
+  // disconnect pwrbuttonpin (input mode = high impediance)
+  // (simulate button release)
+  pinMode(pwrbuttonpin, INPUT);
+  //digitalWrite(ledpin, LOW);
+}
+
+void loop() {
+  /*
+  delay(pwrbuttondelay);
+  
+  // short pwrbuttonpin to ground
+  // (simulate button press)
+  pinMode(pwrbuttonpin, OUTPUT);
+  digitalWrite(ledpin, HIGH);
+
+  delay(pwrbuttondelay);
+  
+  // disconnect pwrbuttonpin (input mode = high impediance)
+  // (simulate button release)
+  pinMode(pwrbuttonpin, INPUT);
+  digitalWrite(ledpin, LOW);
+  */
+}