quentin godbert / Mbed 2 deprecated t2-stm32_thread

avec thread

Dependencies:   mbed

Fork of T2_STM32 by Atechsys

pwm.h@4:b01a3ce6ef01, 2018-01-14 (annotated)

Committer:
ketingue
Date:
Sun Jan 14 17:39:09 2018 +0000
Revision:
4:b01a3ce6ef01
Parent:
2:ab0ccf9bb38c 
test_pwm_01;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Tioneb 2:ab0ccf9bb38c 1 #include "mbed.h"
Tioneb 2:ab0ccf9bb38c 2
Tioneb 2:ab0ccf9bb38c 3 //SAVE_TEST 2
Tioneb 2:ab0ccf9bb38c 4
Tioneb 2:ab0ccf9bb38c 5 PwmOut mypwm(PWM_OUT);
Tioneb 2:ab0ccf9bb38c 6
Tioneb 2:ab0ccf9bb38c 7 DigitalOut myled(LED1);
Tioneb 2:ab0ccf9bb38c 8
ketingue 4:b01a3ce6ef01 9
ketingue 4:b01a3ce6ef01 10 void InitializeTimer(int period = 500)
ketingue 4:b01a3ce6ef01 11 {
ketingue 4:b01a3ce6ef01 12 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
ketingue 4:b01a3ce6ef01 13
ketingue 4:b01a3ce6ef01 14 TIM_TimeBaseInitTypeDef timerInitStructure;
ketingue 4:b01a3ce6ef01 15 timerInitStructure.TIM_Prescaler = 40000;
ketingue 4:b01a3ce6ef01 16 timerInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
ketingue 4:b01a3ce6ef01 17 timerInitStructure.TIM_Period = period;
ketingue 4:b01a3ce6ef01 18 timerInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
ketingue 4:b01a3ce6ef01 19 timerInitStructure.TIM_RepetitionCounter = 0;
ketingue 4:b01a3ce6ef01 20 TIM_TimeBaseInit(TIM4, &timerInitStructure);
ketingue 4:b01a3ce6ef01 21 TIM_Cmd(TIM4, ENABLE);
ketingue 4:b01a3ce6ef01 22 }
ketingue 4:b01a3ce6ef01 23
ketingue 4:b01a3ce6ef01 24
ketingue 4:b01a3ce6ef01 25 void SendPWM_Carre(int temps, PinName pin) {
Tioneb 2:ab0ccf9bb38c 26
ketingue 4:b01a3ce6ef01 27 int middle-temps = roundUp_uint32(temps);
ketingue 4:b01a3ce6ef01 28 PwmOut pwm(pin);
ketingue 4:b01a3ce6ef01 29 pwm.period_ms(temps);
ketingue 4:b01a3ce6ef01 30 pwm.pulsewidth_ms(middle-temps);
Tioneb 2:ab0ccf9bb38c 31
ketingue 4:b01a3ce6ef01 32 printf("pwm set to %.2f %%\n", pwm.read() * 100);
ketingue 4:b01a3ce6ef01 33
ketingue 4:b01a3ce6ef01 34 while(1) {
ketingue 4:b01a3ce6ef01 35 myled = !myled;
ketingue 4:b01a3ce6ef01 36 wait(1);
ketingue 4:b01a3ce6ef01 37 }
ketingue 4:b01a3ce6ef01 38
ketingue 4:b01a3ce6ef01 39 void SendPWM_Nul(PinName pin) {
ketingue 4:b01a3ce6ef01 40
ketingue 4:b01a3ce6ef01 41
ketingue 4:b01a3ce6ef01 42 PwmOut pwm(pin);
ketingue 4:b01a3ce6ef01 43
ketingue 4:b01a3ce6ef01 44 pwm.period_ms(0);
ketingue 4:b01a3ce6ef01 45 pwm.pulsewidth_ms(0);
ketingue 4:b01a3ce6ef01 46
ketingue 4:b01a3ce6ef01 47 printf("pwm set to 0 \n");
Tioneb 2:ab0ccf9bb38c 48
Tioneb 2:ab0ccf9bb38c 49 while(1) {
Tioneb 2:ab0ccf9bb38c 50 myled = !myled;
Tioneb 2:ab0ccf9bb38c 51 wait(1);
Tioneb 2:ab0ccf9bb38c 52 }
Tioneb 2:ab0ccf9bb38c 53 }