void _Device_Setting_Timer3_Enable(uint8_t enable) { if(enable){ /* Enable TIM3 clock */ CLK_PeripheralClockConfig(CLK_Peripheral_TIM3, ENABLE); /* Time Base configuration */ TIM3_TimeBaseInit(TIM3_PRESCALER, TIM3_CounterMode_Up, TIM3_PERIOD); /* Enable update interrupt */ TIM3_ITConfig(TIM3_IT_Update, ENABLE); /* Enable TIM3 */ TIM3_Cmd(ENABLE); }else{ /* Enable TIM3 clock */ CLK_PeripheralClockConfig(CLK_Peripheral_TIM3, DISABLE); /* Enable update interrupt */ TIM3_ITConfig(TIM3_IT_Update, DISABLE); /* Enable TIM3 */ TIM3_Cmd(DISABLE); /* Cleat Interrupt Pending bit */ TIM3_ClearITPendingBit(TIM3_IT_Update); } }
//Delay function Initialization void Delay_Init(void) { //Clear bits TIM3_DeInit(); //Peripetial Initialization TIM3_TimeBaseInit(TIM3_PRESCALER_16, 999); //Enable Periphs TIM3_Cmd(ENABLE); //Interrupt configuration TIM3_ITConfig(TIM3_IT_UPDATE, ENABLE); #ifndef __MODBUS_EN #define __DELAY_EN enableInterrupts(); #endif }
void TIM3_Config(void) { /* TIM3 configuration: - TIM3CLK is set to 16 MHz, the TIM3 Prescaler is equal to 128 so the TIM3 counter clock used is 16 MHz / 16= 1 000 000 Hz - In this example we need to generate a time base equal to 0.5 ms so TIM3_PERIOD = (0.00005 * 1000000 - 1) = 499 */ /* Time base configuration */ TIM3_TimeBaseInit(TIM3_PRESCALER_16, TIM3_PERIOD); TIM3_ARRPreloadConfig(ENABLE); TIM3_ClearFlag(TIM3_FLAG_UPDATE); /* Enable update interrupt */ TIM3_ITConfig(TIM3_IT_UPDATE, ENABLE); /* Enable TIM2 */ TIM3_Cmd(ENABLE); }
void Config() { //System clock at power up is HSI/8 = 16MHz/8 = 2MHz //CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_1); //set HSI/4 = 4MHz SysClk to Core and Memory, minimum clock = 125KHz for CLK_SYSCLKDiv_128 //PWR_PVDCmd(ENABLE); //Power voltage detector and brownout Reset unit supply current 2,6uA //PWR_PVDLevelConfig(PWR_PVDLevel_2V26); //set Programmable voltage detector threshold to 2,26V //PWR_GetFlagStatus(PWR_FLAG_PVDOF); //checks whether the specified PWR flag is set or not //Configure external interrupts - BTN1 and BTN2 presses //EXTI_SetPinSensitivity(EXTI_Pin_2, EXTI_Trigger_Falling_Low); //EXTI_SetPinSensitivity(EXTI_Pin_4, EXTI_Trigger_Falling_Low); //EXTI_SelectPort(EXTI_Port_B); //EXTI_SetHalfPortSelection(EXTI_HalfPort_B_MSB, ENABLE); // Timer 4 Configuration CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE); // 8bit: used for system periodic flags and timeouts TIM4_TimeBaseInit(TIM4_Prescaler_16, 125); // Overflow at 1ms, 2MHz/16/125 = 1000 TIM4_ITConfig(TIM4_IT_Update, ENABLE); TIM4_Cmd(ENABLE); // Timer 2 Configuration CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE); // 16bit: used for runtime measurement TIM2_TimeBaseInit(TIM2_Prescaler_2, TIM2_CounterMode_Up, 0xFFFF); // timebase of 1us, 2MHz/2=1M TIM2_Cmd(ENABLE); // Timer3 Configuration CLK_PeripheralClockConfig(CLK_Peripheral_TIM3, ENABLE); TIM3_TimeBaseInit(TIM3_Prescaler_2, TIM3_CounterMode_Up, 0xFFFF); // 1us timebase @ 2MHz system clock TIM3_ICInit(TIM3_Channel_2, TIM3_ICPolarity_Falling, TIM3_ICSelection_IndirectTI, TIM3_ICPSC_Div1, 0); TIM3_ICInit(TIM3_Channel_1, TIM3_ICPolarity_Rising, TIM3_ICSelection_DirectTI, TIM3_ICPSC_Div1, 0); TIM3_SelectInputTrigger(TIM3_TRGSelection_TI1FP1); TIM3_SelectSlaveMode(TIM3_SlaveMode_Reset); // Reset timer on selected trigger signal TIM3_ITConfig(TIM3_IT_CC1, ENABLE); TIM3_ITConfig(TIM3_IT_CC2, ENABLE); TIM3_Cmd(ENABLE); /* Output PP High - bicolor LED to GND */ GPIO_Init(LED_PORT, LED_PIN1, GPIO_Mode_Out_PP_Low_Slow); GPIO_Init(LED_PORT, LED_PIN2, GPIO_Mode_Out_PP_Low_Slow); /* Input pull up no IT - onboard Button, external pull-up */ GPIO_Init(BTN1_PORT, BTN1_PIN, GPIO_Mode_In_FL_No_IT); /* RFM85W pins */ GPIO_Init(RFM_DATA_PORT, RFM_DATA_PIN, GPIO_Mode_In_FL_No_IT); /* DEBUG pin */ GPIO_Init(DEBUG_PIN_PORT, DEBUG_PIN_PIN, GPIO_Mode_Out_PP_Low_Fast); /* H bridge outputs */ GPIO_Init(PMOS_L_PORT, PMOS_L_PIN, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(PMOS_R_PORT, PMOS_R_PIN, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(NMOS_L_PORT, NMOS_L_PIN, GPIO_Mode_Out_PP_Low_Fast); GPIO_Init(NMOS_R_PORT, NMOS_R_PIN, GPIO_Mode_Out_PP_Low_Fast); }
void tim3_on(void) { TIM3_TimeBaseInit(TIM3_Prescaler_32,TIM3_CounterMode_Up,0xffff); TIM3_ITConfig(TIM3_IT_CC1,ENABLE); TIM3_Cmd(ENABLE); };