ardupilot/libraries/APM_RC/examples/ISR_Mask/ISR_Mask.pde

64 lines
1.1 KiB
Plaintext

/*
test interrupt masking methods on APM1
*/
#include <FastSerial.h>
#include <AP_Common.h>
#include <AP_Math.h>
#include <Arduino_Mega_ISR_Registry.h>
#include <APM_RC.h>
FastSerialPort0(Serial);
Arduino_Mega_ISR_Registry isr_registry;
APM_RC_APM1 APM_RC;
void setup()
{
Serial.begin(115200);
isr_registry.init();
APM_RC.Init(&isr_registry);
Serial.println("Interrupt masking test");
delay(10);
}
static uint16_t last_values[8];
#define USE_CLI 0
#define USE_MASK 1
void loop()
{
if (APM_RC.GetState() == 1) {
bool changed = false;
for (uint8_t i = 0; i < 8; i++) {
uint16_t v = APM_RC.InputCh(i);
if (abs(v - last_values[i]) > 10) {
changed = true;
}
last_values[i] = v;
}
if (changed) {
for (uint8_t i = 0; i < 8; i++) {
Serial.printf("%u:%4u ", (unsigned)i, (unsigned)last_values[i]);
}
Serial.println();
delayMicroseconds(500);
}
}
#if USE_CLI
uint8_t oldSREG = SREG;
cli();
delayMicroseconds(100);
SREG = oldSREG;
#endif
#if USE_MASK
uint8_t _timsk4 = TIMSK4;
TIMSK4 &= ~(1<<ICIE4);
delayMicroseconds(100);
TIMSK4 = _timsk4;
#endif
}