Test session
Dependencies: FatFileSystem MCP23017 WattBob_TextLCD mbed
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Diff: counting_task.cpp
- Revision:
- 4:48761259552a
diff -r 5883d1a2c5b0 -r 48761259552a counting_task.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/counting_task.cpp Tue Mar 14 14:46:43 2017 +0000 @@ -0,0 +1,51 @@ +/** + * This task do a binary count on the 4 mbed LEDs + * + * Author: Jacob Baungard Hansen + */ + +#include "counting_task.h" + +/** + * + * @param starting_offset when the task should but run first + * @param frequency_ms the frequency in ms of how often the task should run + */ +CountingTask::CountingTask(int starting_offset, int frequency_ms) + : Task(starting_offset, frequency_ms) { + + this->count = 0; + + this->led1 = new DigitalOut(LED1); + this->led2 = new DigitalOut(LED2); + this->led3 = new DigitalOut(LED3); + this->led4 = new DigitalOut(LED4); + + +} + +CountingTask::~CountingTask() { + delete this->led1; + delete this->led2; + delete this->led3; + delete this->led4; +} + +/** + * The function that is run at the specified frequency. + */ +void CountingTask::action() { + + // simple way to get the bits + std::bitset<4> bits(this->count); + + // set the result + this->led1->write(bits[3]); + this->led2->write(bits[2]); + this->led3->write(bits[1]); + this->led4->write(bits[0]); + + // don't overflow + this->count = (this->count+1) % 16; + +} \ No newline at end of file