![](/media/cache/profiles/c19a46c712c75b70a137f619a0916436.jpg.50x50_q85.png)
Skeleton program for Federico's 4YP project.
Dependencies: WebSocketClient WiflyInterface mbed messages
Fork of IoT_Ex by
headers/pwm.h
- Committer:
- defrost
- Date:
- 2016-11-29
- Revision:
- 10:e8b66718a103
File content as of revision 10:e8b66718a103:
// ************ // * iQ_PWM.h * // ************ // // Created: 2015/03/19 // By: Damien Frost // // Description: // This file provides all of the functions used to configure the // high speed PWM module of the STM32F401RE microcontroller. #ifndef PWWM_H #define PWWM_H #define SETUDIS TIM1->CR1 |= TIM_CR1_UDIS #define CLEARUDIS TIM1->CR1 &= ~TIM_CR1_UDIS #define PWMHIGHPRIORITY 0 #define PWMLOWPRIORITY 1 #define PS_RESET 0 #define PS_SHIFT 1 #define PWMST_SETUPCONV 0 #define PWMST_STARTCONV 1 #define PWMST_RUNSCSKDC 2 #define PWMST_CALCNEWPH 3 #define PWMST_SETNEWPH 4 #define PWMST_SHIFT 5 #define PWMST_SAMPLECHTROUGH 6 #define PWMST_WAITSAMPLETROUGH 7 #define PWMST_WAIT 8 #define PWMST_SAMPLECHHILL 9 #define PWMST_WAITSAMPLEHILL 10 #define PWMST_SKIPONECYCLE 11 #define PWMST_MAXST 12 #define PWMSTEP_US (10.0f/839.0f) #define TS (PWMPER_US/1000000) #define PWMARRMAX (65535) // Global variables: extern float CurrentPhaseShift; extern unsigned int OneCycleSkipExitState; extern void (*const pwmsm_StateFunction [PWMST_MAXST]) (void); // Function prototypes: // Configures the PWM for use, using an initial duty cycle of 'duty' void ConfigurePWM(float duty_us, float period_us); // PWM ISR, used fo rdebugging purposes: void TIM1_CC_IRQHandler(void); // Configures the Dead time of the PWM, using an initial dead time of 'dt': void ConfigureDeadTime(float dt_ns); // Set duty by specifying the duty cycle in us: float SetDuty_us(float duty_us); // Set a new duty cycle by specifying it as a number between 0 and 1: float SetDuty(float duty); // This function checks to make sure the duty cycle is within the min and max constraints, it is called by the SetDuty functions. float CheckMinMaxDuty(float duty); // Turn on the the PWM signal: void TurnOnPWM(bool trueForOn); // Apply a phase shift: int PhaseShift(unsigned int cmd, float phase); // Set a new PWM Period: void SetPWMPeriodAndDuty(int pwmper); void SetPWMPeriodAndDuty_us(float period); // Set the time at which the PWM isr fires: void SetISRTime(unsigned int isrtime); // PWM State Machine functions: void pwmsm_SetupConv(void); // PWMST_SETUPCONV 0 void pwmsm_StartConv(void); // PWMST_STARTCONV 1 void pwmsm_RunScskdc(void); // PWMST_RUNSCSKDC 2 void pwmsm_CalcNewPh(void); // PWMST_CALCNEWPH 3 void pwmsm_SetNewPh(void); // PWMST_SETNEWPH 4 void pwmsm_Shift(void); // PWMST_SHIFT 5 void pwmsm_SampleChTrough(void); // PWMST_SAMPLECHTROUGH 6 void pwmsm_WaitSampleTrough(void); // PWMST_WAITSAMPLETROUGH 7 void pwmsm_Wait(void); // PWMST_WAIT 8 void pwmsm_SampleChHill(void); // PWMST_SAMPLECHHILL 9 void pwmsm_WaitSampleHill(void); // PWMST_WAITSAMPLEHILL 10 void pwmsm_SkipOneCycle(void); // PWMST_SKIPONECYCLE 11 void SetupOneCycleSkip(unsigned int nextState); #endif /* PWWM_H */