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_0, 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);
/* Input FL IT - onboard Button, external pull-up */
GPIO_Init(BTN1_PORT, BTN1_PIN, GPIO_Mode_In_FL_IT);
GPIO_Init(BTN2_PORT, BTN2_PIN, GPIO_Mode_In_FL_IT);
// Timer 3 Configuration
CLK_PeripheralClockConfig(CLK_Peripheral_TIM3, ENABLE);
TIM3_TimeBaseInit(TIM3_Prescaler_2, TIM3_CounterMode_Up, 700); // 1MHz timer clock
TIM3_OC1Init(TIM3_OCMode_PWM1,
TIM3_OutputState_Enable,
350,
TIM3_OCPolarity_Low,
TIM3_OCIdleState_Reset);
TIM3_ARRPreloadConfig(ENABLE);
TIM3_OC1PreloadConfig(ENABLE);
TIM3_CtrlPWMOutputs(ENABLE);
TIM3_Cmd(DISABLE);
/* RFM85W pins */
GPIO_Init(RFM_DATA_PORT, RFM_DATA_PIN, GPIO_Mode_Out_PP_Low_Fast);
GPIO_Init(RFM_ON_PORT, RFM_ON_PIN, GPIO_Mode_Out_PP_Low_Fast);
/* 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);
RFM_OFF;
//RFM_DATA(0);
}
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);
}
