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Programme qui génère du pwm
Fork of Nucleo_sg90_remote_control by
main.cpp
- Committer:
- YROY2004
- Date:
- 2017-12-12
- Revision:
- 1:39c0d160f44c
- Parent:
- 0:52104be74a8a
File content as of revision 1:39c0d160f44c:
#include "mbed.h" #define NUMBER_OF_POSITIONS sizeof(pulseDurationInMicroSeconds)/sizeof(int) #define PWM_PERIOD_FOR_SG90_IN_MS 20 #define PWM_PERIOD_FOR_MODULATION_IN_US 25 DigitalOut myled(LED1); PwmOut towerProSG90(D11); //PwmOut remoteControlOutput(D10); //PwmOut modulatingOutput(D9); InterruptIn userButton(USER_BUTTON); int index; int pulseDurationInMicroSeconds[]= {1500,1625,1750,1875,2000, 1875,1750,1625,1500,1375,1250,1125,1000,1125,1250,1375}; void responseToUserButtonPressed(void) { index++; if (index >= NUMBER_OF_POSITIONS) { index = 0; } towerProSG90.pulsewidth_us(pulseDurationInMicroSeconds[index]); // remoteControlOutput.pulsewidth_us(PWM_PERIOD_FOR_SG90_IN_MS*1000 - pulseDurationInMicroSeconds[index]); } int main() { index = 0; towerProSG90.period_ms(PWM_PERIOD_FOR_SG90_IN_MS); towerProSG90.pulsewidth_us(pulseDurationInMicroSeconds[index]); // remoteControlOutput.period_ms(PWM_PERIOD_FOR_SG90_IN_MS); // remoteControlOutput.pulsewidth_us(PWM_PERIOD_FOR_SG90_IN_MS*1000 - pulseDurationInMicroSeconds[index]); // modulatingOutput.period_us(PWM_PERIOD_FOR_MODULATION_IN_US); // modulatingOutput.pulsewidth_us(PWM_PERIOD_FOR_MODULATION_IN_US/2); userButton.fall(&responseToUserButtonPressed); // userLED = 1; while(1) { myled = 1; // LED is ON wait(0.2); // 200 ms myled = 0; // LED is OFF wait(1.0); // 1 sec } }