//==================================================================================
void TIM3_init(void)
{
// TIMER3
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER3,ENABLE);
/* Reset all TIMER3 settings */
TIMER_DeInit(MDR_TIMER3);
TIMER_BRGInit(MDR_TIMER3,TIMER_HCLKdiv1);
/* TIM3 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_Prescaler = 0x10;
sTIM_CntInit.TIMER_Period = 0x200;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_ETR;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER3,&sTIM_CntInit);
NVIC_EnableIRQ(Timer3_IRQn);
TIMER_ITConfig(MDR_TIMER3,TIMER_STATUS_CNT_ARR, ENABLE);
/* Enable TIMER3 */
TIMER_Cmd(MDR_TIMER3,ENABLE);
}
void prvSetupHardware( void )
{
PORT_InitTypeDef PORT_InitStructure;
UART_InitTypeDef UART_InitStructure;
//SSP_InitTypeDef SPI_InitStructure;
TIMER_CntInitTypeDef sTIM_CntInit;
// TIMER_ChnInitTypeDef sTIM_ChnInit;
//CLK
/* Enable HSE clock oscillator */
RST_CLK_HSEconfig(RST_CLK_HSE_ON);
while(RST_CLK_HSEstatus() == ERROR);
RST_CLK_CPUclkSelection(RST_CLK_CPUclkCPU_C3);
MDR_RST_CLK -> CPU_CLOCK |= 2;//CPU_C1 set HSE
RST_CLK_HSIcmd(DISABLE);
/* Enable the RTCHSE clock on all ports */
RST_CLK_PCLKcmd(ALL_PORTS_CLK, ENABLE);
PORT_StructInit(&PORT_InitStructure);//reset struct
/************************ LCD Initialization *************************/
/* Configure PORTA pins for data transfer to/from LCD */
PORT_InitStructure.PORT_Pin = LCD_DATA_BUS_8;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_Init(MDR_PORTA, &PORT_InitStructure);
/* Configure PORTE pin4 and pin5 for LCD crystals control */
PORT_InitStructure.PORT_Pin = KS0108_CS1 | KS0108_CS2 | KS0108_RS;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
PORT_Init(MDR_PORTE, &PORT_InitStructure);
PORT_InitStructure.PORT_Pin = KS0108_EN | KS0108_RW | KS0108_RES;
PORT_Init(MDR_PORTC, &PORT_InitStructure);
PORT_SetBits(MDR_PORTA, LCD_DATA_BUS_8);
PORT_SetBits(MDR_PORTE, KS0108_CS1 | KS0108_CS2 | KS0108_RS);
PORT_SetBits(MDR_PORTC, KS0108_EN | KS0108_RW | KS0108_RES);
//Timer1
// TIMER1
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER1,ENABLE);
/* Reset all TIMER1 settings */
TIMER_DeInit(MDR_TIMER1);
TIMER_BRGInit(MDR_TIMER1,TIMER_HCLKdiv1);
/* TIM1 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_IniCounter = 0;
sTIM_CntInit.TIMER_Prescaler = 150;//
sTIM_CntInit.TIMER_Period = 82;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_None;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER1,&sTIM_CntInit);
NVIC_EnableIRQ(Timer1_IRQn);
TIMER_ITConfig(MDR_TIMER1,TIMER_STATUS_CNT_ARR, ENABLE);
/* TMR1 enable */
TIMER_Cmd (MDR_TIMER1,ENABLE);
// TIMER2
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER2,ENABLE);
/* Reset all TIMER1 settings */
TIMER_DeInit(MDR_TIMER2);
TIMER_BRGInit(MDR_TIMER2,TIMER_HCLKdiv1);
/* TIM2 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_IniCounter = 0;
sTIM_CntInit.TIMER_Prescaler = 0xf;//
sTIM_CntInit.TIMER_Period = 0xffff;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_None;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER2,&sTIM_CntInit);
NVIC_EnableIRQ(Timer2_IRQn);
TIMER_ITConfig(MDR_TIMER2,TIMER_STATUS_CNT_ARR, ENABLE);
/* TMR2 enable */
TIMER_Cmd (MDR_TIMER2,ENABLE);
// TIMER3
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER3,ENABLE);
/* Reset all TIMER3 settings */
TIMER_DeInit(MDR_TIMER3);
TIMER_BRGInit(MDR_TIMER3,TIMER_HCLKdiv1);
/* TIM3 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_IniCounter = 0;
sTIM_CntInit.TIMER_Prescaler = 0;
sTIM_CntInit.TIMER_Period = 0xFFFF;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_EvtFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_CH1;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER3,&sTIM_CntInit);
// NVIC_EnableIRQ(Timer3_IRQn);
// TIMER_ITConfig(MDR_TIMER3,TIMER_STATUS_CNT_ARR, ENABLE);
/* Enable TIMER3 */
TIMER_Cmd(MDR_TIMER3,ENABLE);
/************************ UART1 Initialization *************************/
PORT_StructInit(&PORT_InitStructure);//reset struct
PORT_InitStructure.PORT_Pin = PORT_Pin_12|PORT_Pin_13;//RX TX
PORT_InitStructure.PORT_FUNC = PORT_FUNC_OVERRID;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
PORT_InitStructure.PORT_Pin = PORT_Pin_14;//EN RS485
PORT_InitStructure.PORT_OE =PORT_OE_OUT;
PORT_InitStructure.PORT_PD = PORT_PD_OPEN;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
RS485_TX_OFF;
//UART1
RST_CLK_PCLKcmd(RST_CLK_PCLK_UART1,ENABLE);
/* Set the HCLK division factor = 1 for UART1,UART2*/
UART_BRGInit(MDR_UART1, UART_HCLKdiv1);
UART_DeInit(MDR_UART1);
/* Disable interrupt on UART1 */
NVIC_DisableIRQ(UART1_IRQn);
/* Initialize UART_InitStructure */
UART_InitStructure.UART_BaudRate = 38400;
UART_InitStructure.UART_WordLength = UART_WordLength8b;
UART_InitStructure.UART_StopBits = UART_StopBits1;//PKDU2 niobyi
UART_InitStructure.UART_Parity = UART_Parity_No;
UART_InitStructure.UART_FIFOMode = UART_FIFO_OFF;
UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_RXE | UART_HardwareFlowControl_TXE;
/* Configure UART1 parameters*/
UART_Init(MDR_UART1,&UART_InitStructure);
NVIC_EnableIRQ(UART1_IRQn);
UART_ITConfig(MDR_UART1,UART_IT_RX, ENABLE);
/* Enables UART1 peripheral */
UART_Cmd(MDR_UART1,ENABLE);
//PORT
/************************ Joystick Initialization *************************/
/* Configure PORTC pins 10..14 for input to handle joystick events */
PORT_StructInit(&PORT_InitStructure);//reset struct
PORT_InitStructure.PORT_Pin = ( PORT_Pin_10 | PORT_Pin_11 | PORT_Pin_12 |
PORT_Pin_13 | PORT_Pin_14 );
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_SPEED = PORT_OUTPUT_OFF;
PORT_Init( MDR_PORTC, &PORT_InitStructure );
/************************ LEDs Initialization *************************/
PORT_StructInit( &PORT_InitStructure );//reset struct
/* Configure PORTD pins 10..14 for output to switch LEDs on/off */
PORT_InitStructure.PORT_Pin = LEDs_PINs;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_Init( MDR_PORTD, &PORT_InitStructure );
/* All LEDs switch off */
PORT_ResetBits(MDR_PORTD, LEDs_PINs);
}
//-----------------------------------------------------------------//
// Setup Timers
// HCLK = 32 MHz
// TIMER_CLK = HCLK / TIMER_HCLKdivx
// CLK = TIMER_CLK/(TIMER_Prescaler + 1)
//-----------------------------------------------------------------//
void HW_TimersInit(void)
{
TIMER_CntInitTypeDef sTIM_CntInit;
TIMER_ChnInitTypeDef sTIM_ChnInit;
TIMER_ChnOutInitTypeDef sTIM_ChnOutInit;
//======================= TIMER1 =======================//
// Timer1 CH2 -> BUZ+
// CH2N -> BUZ-
// TIMER_CLK = HCLK
// CLK = 1MHz
// Default buzzer freq = 1 / 500us = 2kHz
// Initialize timer 1 counter
TIMER_CntStructInit(&sTIM_CntInit);
sTIM_CntInit.TIMER_Prescaler = 0x1F; // 32MHz / (31 + 1) = 1MHz
sTIM_CntInit.TIMER_Period = 499;
TIMER_CntInit (MDR_TIMER1,&sTIM_CntInit);
// Initialize timer 1 channel 2
TIMER_ChnStructInit(&sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Mode = TIMER_CH_MODE_PWM;
sTIM_ChnInit.TIMER_CH_REF_Format = TIMER_CH_REF_Format6;
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL2;
sTIM_ChnInit.TIMER_CH_CCR_UpdateMode = TIMER_CH_CCR_Update_On_CNT_eq_0;
TIMER_ChnInit(MDR_TIMER1, &sTIM_ChnInit);
// Initialize timer 1 channel 2 output
TIMER_ChnOutStructInit(&sTIM_ChnOutInit);
sTIM_ChnOutInit.TIMER_CH_DirOut_Polarity = TIMER_CHOPolarity_NonInverted;
sTIM_ChnOutInit.TIMER_CH_DirOut_Source = TIMER_CH_OutSrc_Only_1;
sTIM_ChnOutInit.TIMER_CH_DirOut_Mode = TIMER_CH_OutMode_Output;
sTIM_ChnOutInit.TIMER_CH_NegOut_Polarity = TIMER_CHOPolarity_NonInverted;
sTIM_ChnOutInit.TIMER_CH_NegOut_Source = TIMER_CH_OutSrc_Only_1;
sTIM_ChnOutInit.TIMER_CH_NegOut_Mode = TIMER_CH_OutMode_Output;
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL2;
TIMER_ChnOutInit(MDR_TIMER1, &sTIM_ChnOutInit);
// Set default buzzer duty
MDR_TIMER1->CCR2 = 249;
// Enable TIMER1 counter clock
TIMER_BRGInit(MDR_TIMER1,TIMER_HCLKdiv1);
// Enable TIMER1
TIMER_Cmd(MDR_TIMER1,ENABLE);
//======================= TIMER2 =======================//
// Timer2 CH1N -> UPWM
// CH3N -> IPWM
// CH2 -> HW control interrupt generation
// TIMER_CLK = HCLK
// CLK = 16MHz
// PWM frequency = 3906.25 Hz (T = 256us)
// PWM resolution = 12 bit
// Initialize timer 2 counter
TIMER_CntStructInit(&sTIM_CntInit);
sTIM_CntInit.TIMER_Prescaler = 0x1; // CLK = 16MHz
sTIM_CntInit.TIMER_Period = 0xFFF; // 16MHz / 4096 = 3906.25 Hz
TIMER_CntInit (MDR_TIMER2,&sTIM_CntInit);
// Initialize timer 2 channels 1,3
TIMER_ChnStructInit(&sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Mode = TIMER_CH_MODE_PWM;
sTIM_ChnInit.TIMER_CH_REF_Format = TIMER_CH_REF_Format6;
sTIM_ChnInit.TIMER_CH_CCR_UpdateMode = TIMER_CH_CCR_Update_On_CNT_eq_0;
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL1; // voltage
TIMER_ChnInit(MDR_TIMER2, &sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL3; // curret
TIMER_ChnInit(MDR_TIMER2, &sTIM_ChnInit);
// Initialize timer 2 channel 2 - used for HW control interrupt generation
TIMER_ChnStructInit(&sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Mode = TIMER_CH_MODE_PWM;
sTIM_ChnInit.TIMER_CH_REF_Format = TIMER_CH_REF_Format1; // REF output = 1 when CNT == CCR
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL2;
sTIM_ChnInit.TIMER_CH_CCR_UpdateMode = TIMER_CH_CCR_Update_Immediately;
TIMER_ChnInit(MDR_TIMER2, &sTIM_ChnInit);
// Initialize timer 2 channels 1,3 output
TIMER_ChnOutStructInit(&sTIM_ChnOutInit);
sTIM_ChnOutInit.TIMER_CH_NegOut_Polarity = TIMER_CHOPolarity_Inverted;
sTIM_ChnOutInit.TIMER_CH_NegOut_Source = TIMER_CH_OutSrc_REF;
sTIM_ChnOutInit.TIMER_CH_NegOut_Mode = TIMER_CH_OutMode_Output;
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL1;
TIMER_ChnOutInit(MDR_TIMER2, &sTIM_ChnOutInit);
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL3;
TIMER_ChnOutInit(MDR_TIMER2, &sTIM_ChnOutInit);
// Set default voltage PWM duty cycle
MDR_TIMER2->CCR1 = 0;
// Set default current PWM duty cycle
MDR_TIMER2->CCR3 = 0;
// Set default CCR for interrupt generation
MDR_TIMER2->CCR2 = 0;
// Enable interrupts
TIMER_ITConfig(MDR_TIMER2, TIMER_STATUS_CCR_REF_CH2, ENABLE);
//TIMER_ITConfig(MDR_TIMER2, TIMER_STATUS_CNT_ZERO, ENABLE);
// Enable TIMER2 counter clock
TIMER_BRGInit(MDR_TIMER2,TIMER_HCLKdiv1);
// Enable TIMER2
TIMER_Cmd(MDR_TIMER2,ENABLE);
//======================= TIMER3 =======================//
// Timer3 CH1 -> LPWM (LCD backlight PWM)
// CH3N -> CPWM (System cooler PWM)
// TIMER_CLK = HCLK
// CLK = 2MHz
// PWM frequency = 20kHz
// PWM resolution = 100
// Initialize timer 3 counter
TIMER_CntStructInit(&sTIM_CntInit);
sTIM_CntInit.TIMER_Prescaler = 0xF; // 2MHz at 32MHz core clk
sTIM_CntInit.TIMER_Period = 99; // 20kHz at 2MHz
TIMER_CntInit (MDR_TIMER3,&sTIM_CntInit);
// Initialize timer 3 channel 1
TIMER_ChnStructInit(&sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL1;
sTIM_ChnInit.TIMER_CH_Mode = TIMER_CH_MODE_PWM;
sTIM_ChnInit.TIMER_CH_REF_Format = TIMER_CH_REF_Format6;
sTIM_ChnInit.TIMER_CH_CCR_UpdateMode = TIMER_CH_CCR_Update_On_CNT_eq_0;
TIMER_ChnInit(MDR_TIMER3, &sTIM_ChnInit);
// Initialize timer 3 channel 1 output
TIMER_ChnOutStructInit(&sTIM_ChnOutInit);
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL1;
sTIM_ChnOutInit.TIMER_CH_DirOut_Source = TIMER_CH_OutSrc_REF;
sTIM_ChnOutInit.TIMER_CH_DirOut_Polarity = TIMER_CHOPolarity_NonInverted;
sTIM_ChnOutInit.TIMER_CH_DirOut_Mode = TIMER_CH_OutMode_Output;
TIMER_ChnOutInit(MDR_TIMER3, &sTIM_ChnOutInit);
// Initialize timer 3 channel 3
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL3;
TIMER_ChnInit(MDR_TIMER3, &sTIM_ChnInit);
// Initialize timer 3 channel 3 output
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL3;
sTIM_ChnOutInit.TIMER_CH_DirOut_Source = TIMER_CH_OutSrc_Only_0;
sTIM_ChnOutInit.TIMER_CH_DirOut_Mode = TIMER_CH_OutMode_Input;
sTIM_ChnOutInit.TIMER_CH_NegOut_Source = TIMER_CH_OutSrc_REF;
sTIM_ChnOutInit.TIMER_CH_NegOut_Polarity = TIMER_CHOPolarity_Inverted;
sTIM_ChnOutInit.TIMER_CH_NegOut_Mode = TIMER_CH_OutMode_Output;
TIMER_ChnOutInit(MDR_TIMER3, &sTIM_ChnOutInit);
// Set default PWM duty cycle for LCD backlight PWM
MDR_TIMER3->CCR1 = 0;
// Set default PWM duty cycle for system cooler PWM
MDR_TIMER3->CCR3 = 0;
// Enable TIMER3 counter clock
TIMER_BRGInit(MDR_TIMER3,TIMER_HCLKdiv1);
// Enable TIMER3
TIMER_Cmd(MDR_TIMER3,ENABLE);
}
