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Test session
Dependencies: FatFileSystem MCP23017 WattBob_TextLCD mbed
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Diff: check_task.cpp
- Revision:
- 4:48761259552a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/check_task.cpp Tue Mar 14 14:46:43 2017 +0000 @@ -0,0 +1,73 @@ +/** + * The following task checks the digital inputs on pin11 and pin12 + * it also checks for "errors" and save the error code to the state. + * If pin12 is 1, it schedules the counting task. + * + * Author: Jacob Baungard Hansen + */ + +#include "check_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 + */ +CheckTask::CheckTask(int starting_offset, int frequency_ms, + State * state, TaskManager * tm) + : Task(starting_offset, frequency_ms) { + + this->state = state; + this->tm = tm; + this->counting_task = new CountingTask(0, 1800); + this->counting_scheduled = 0; + this->digital_in_1 = new DigitalIn(p11); + this->digital_in_2 = new DigitalIn(p12); + +} + +/* + * Simple destructor + */ +CheckTask::~CheckTask() { + delete this->counting_task; + delete this->digital_in_1; + delete this->digital_in_2; +} + +/** + * The function that is run at the specified frequency. + */ +void CheckTask::action() { + + // get the digital values + int switch_1 = digital_in_1->read(); + int switch_2 = digital_in_2->read(); + + // save to the state + this->state->set_digital_1(switch_1); + this->state->set_digital_2(switch_2); + + // check possible error codes + if (switch_1 == 1 && (this->state->get_avg_analog_1() > this->state->get_avg_analog_2() ) ) { + this->state->set_error(3); + } else { + this->state->set_error(0); + } + + // schedule or deschedule counting task as appropriate + if (switch_2 == 1 && this->counting_scheduled == 0) { + // schedule binary LED task + this->counting_scheduled = 1; + // set the binary LED task next run + int next_run = this->get_next_run_ms()+300; + this->counting_task->set_next_run_ms(next_run); + // add task to task manager + this->tm->add_task(this->counting_task); + } else if (switch_2 == 0) { + // delete task from task manager + this->tm->remove_task(this->counting_task); + this->counting_scheduled = 0; + } + +} \ No newline at end of file