Real Time Interrupt tick

Manage the built-in real time interrupt. More...

Defines

#define TIME_RATE_PSK31   4800

The change in the CCP_1 register for each interrupt period. 1mS for PSK31, 104uS for 9600 baud APRS, 3.3mS for 300 baud HF-APRS.

#define TIME_RATE_APRS   500

#define TIME_RATE_HF_APRS   16000

#define TIME_ROLLOVER_PSK31   100

The number of interrupts in a 100mS time period.

#define TIME_ROLLOVER_APRS   960

#define TIME_ROLLOVER_HF_APRS   30

Functions

uint8_t timeGetTicks ()

Running 8-bit counter that ticks every 100mS.

void timeInit ()

Initialize the real-time clock.

uint8_t timeGetHours ()

Get the time since boot in hours.

uint8_t timeGetMinutes ()

Get the time since boot in minutes.

void timeSetDutyCycle (uint8_t dutyCycle)

Set the blink duty cycle of the heartbeat LED.

void timeSetRunFlag ()

Set a flag to indicate the flight time should run.

void timeSetMode (TIME_MODE mode)

Set the time base for PSK31 or APRS.

void timeUpdate ()

Variables

uint8_t timeTicks

A counter that ticks every 100mS.

uint16_t timeInterruptCount

Counts the number of 1mS interrupts for a 100mS time period.

uint8_t time100ms

Counts the number of 100mS time periods in 1 second.

uint8_t timeSeconds

System time in seconds.

uint8_t timeMinutes

System time in minutes.

uint8_t timeHours

System time in hours.

uint8_t timeDutyCycle

Desired LED duty cycle 0 to 9.

uint16_t timeCompare

Time compare register 1 value.

uint16_t timeRate

The CCP1 timer delta between each interrupt.

bool_t timeUpdateFlag

Flag set true once per second.

bool_t timeRunFlag

Flag that indicate the flight time should run.

uint16_t timeInterruptCountRollOver

The number of interrupts in a 100mS time period. The value changes based on the current mode.

TIME_MODE timeMode

The current time base mode.

Detailed Description

Manage the built-in real time interrupt.

The interrupt clock PRI is 104uS (9600 bps).

Define Documentation

#define TIME_RATE_APRS 500

Referenced by timeInit(), and timeSetMode().

#define TIME_RATE_HF_APRS 16000

Referenced by timeSetMode().

#define TIME_RATE_PSK31 4800

The change in the CCP_1 register for each interrupt period. 1mS for PSK31, 104uS for 9600 baud APRS, 3.3mS for 300 baud HF-APRS.

Referenced by timeSetMode().

#define TIME_ROLLOVER_APRS 960

Referenced by timeInit(), and timeSetMode().

#define TIME_ROLLOVER_HF_APRS 30

Referenced by timeSetMode().

#define TIME_ROLLOVER_PSK31 100

The number of interrupts in a 100mS time period.

Referenced by timeSetMode().

Function Documentation

uint8_t timeGetHours ( )

Get the time since boot in hours.

Returns:: run time in hours

References timeHours.

Referenced by ballastCheck(), and cutDownCheck().

uint8_t timeGetMinutes ( )

Get the time since boot in minutes.

Returns:: run time in minutes

References timeMinutes.

Referenced by ballastCheck().

uint8_t timeGetTicks ( )

Running 8-bit counter that ticks every 100mS.

Returns:: 100mS time tick

References timeTicks.

Referenced by gpsSetup().

void timeInit ( )

Initialize the real-time clock.

References TIME_DUTYCYCLE_70, TIME_MODE_APRS, TIME_RATE_APRS, TIME_ROLLOVER_APRS, timeCompare, timeDutyCycle, timeHours, timeInterruptCount, timeInterruptCountRollOver, timeMinutes, timeMode, timeRate, timeRunFlag, timeSeconds, timeTicks, and timeUpdateFlag.

Referenced by main().

void timeSetDutyCycle ( uint8_t dutyCycle )

Set the blink duty cycle of the heartbeat LED.

The LED blinks at a 1Hz rate.

Parameters:

dutyCycle

TIME_DUTYCYCLE_xx constant

References timeDutyCycle.

Referenced by gpsSetup(), and main().

void timeSetMode ( TIME_MODE mode )

Set the time base for PSK31 or APRS.

Parameters:

mode

TIME_MODE_APRS or TIME_MODE_PSK31 constant

References TIME_MODE_APRS, TIME_MODE_HF_APRS, TIME_MODE_PSK31, TIME_RATE_APRS, TIME_RATE_HF_APRS, TIME_RATE_PSK31, TIME_ROLLOVER_APRS, TIME_ROLLOVER_HF_APRS, TIME_ROLLOVER_PSK31, timeInterruptCount, timeInterruptCountRollOver, timeMode, and timeRate.

Referenced by psk31TxPacket(), and tncTxPacket().

void timeSetRunFlag ( )

Set a flag to indicate the flight time should run.

This flag is typically set when the payload lifts off.

References timeRunFlag.

Referenced by main().

void timeUpdate ( )

References IO_LED, psk31TimeUpdate(), serialUpdate(), TIME_MODE_PSK31, timeCompare, timeDutyCycle, timeHours, timeInterruptCount, timeInterruptCountRollOver, timeMinutes, timeMode, timeRate, timeRunFlag, timeSeconds, timeTicks, timeUpdateFlag, and tncTimeUpdate().

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Variable Documentation

uint8_t time100ms

Counts the number of 100mS time periods in 1 second.

uint16_t timeCompare

Time compare register 1 value.

Referenced by timeInit(), and timeUpdate().

uint8_t timeDutyCycle

Desired LED duty cycle 0 to 9.

Referenced by timeInit(), timeSetDutyCycle(), and timeUpdate().

uint8_t timeHours

System time in hours.

Referenced by timeGetHours(), timeInit(), timeUpdate(), and tncStatusPacket().

uint16_t timeInterruptCount

Counts the number of 1mS interrupts for a 100mS time period.

Referenced by timeInit(), timeSetMode(), and timeUpdate().

uint16_t timeInterruptCountRollOver

The number of interrupts in a 100mS time period. The value changes based on the current mode.

Referenced by timeInit(), timeSetMode(), and timeUpdate().

uint8_t timeMinutes

System time in minutes.

Referenced by timeGetMinutes(), timeInit(), timeUpdate(), and tncStatusPacket().

TIME_MODE timeMode

The current time base mode.

Referenced by timeInit(), timeSetMode(), and timeUpdate().

uint16_t timeRate

The CCP1 timer delta between each interrupt.

Referenced by timeInit(), timeSetMode(), and timeUpdate().

bool_t timeRunFlag

Flag that indicate the flight time should run.

Referenced by timeInit(), timeSetRunFlag(), and timeUpdate().

uint8_t timeSeconds

System time in seconds.

Referenced by timeInit(), timeUpdate(), and tncStatusPacket().

uint8_t timeTicks

A counter that ticks every 100mS.

Referenced by timeGetTicks(), timeInit(), and timeUpdate().

bool_t timeUpdateFlag

Flag set true once per second.

Referenced by main(), timeInit(), and timeUpdate().


Defines
#define	TIME_RATE_PSK31 4800
	The change in the CCP_1 register for each interrupt period. 1mS for PSK31, 104uS for 9600 baud APRS, 3.3mS for 300 baud HF-APRS.
#define	TIME_RATE_APRS 500
#define	TIME_RATE_HF_APRS 16000
#define	TIME_ROLLOVER_PSK31 100
	The number of interrupts in a 100mS time period.
#define	TIME_ROLLOVER_APRS 960
#define	TIME_ROLLOVER_HF_APRS 30
Functions
uint8_t	timeGetTicks ()
	Running 8-bit counter that ticks every 100mS.
void	timeInit ()
	Initialize the real-time clock.
uint8_t	timeGetHours ()
	Get the time since boot in hours.
uint8_t	timeGetMinutes ()
	Get the time since boot in minutes.
void	timeSetDutyCycle (uint8_t dutyCycle)
	Set the blink duty cycle of the heartbeat LED.
void	timeSetRunFlag ()
	Set a flag to indicate the flight time should run.
void	timeSetMode (TIME_MODE mode)
	Set the time base for PSK31 or APRS.
void	timeUpdate ()
Variables
uint8_t	timeTicks
	A counter that ticks every 100mS.
uint16_t	timeInterruptCount
	Counts the number of 1mS interrupts for a 100mS time period.
uint8_t	time100ms
	Counts the number of 100mS time periods in 1 second.
uint8_t	timeSeconds
	System time in seconds.
uint8_t	timeMinutes
	System time in minutes.
uint8_t	timeHours
	System time in hours.
uint8_t	timeDutyCycle
	Desired LED duty cycle 0 to 9.
uint16_t	timeCompare
	Time compare register 1 value.
uint16_t	timeRate
	The CCP1 timer delta between each interrupt.
bool_t	timeUpdateFlag
	Flag set true once per second.
bool_t	timeRunFlag
	Flag that indicate the flight time should run.
uint16_t	timeInterruptCountRollOver
	The number of interrupts in a 100mS time period. The value changes based on the current mode.
TIME_MODE	timeMode
	The current time base mode.