main.cpp

00001 #include "mbed.h"
00002 #include "TextLCD.h"
00003 #include "cdef.h"
00004 #include "I2C.h"
00005 DigitalOut myled(LED1);
00006 TextLCD display(PA_9, PC_7, PB_5, PB_4, PB_10, PA_8, TextLCD::LCD16x2);
00007 Serial pc(SERIAL_TX, SERIAL_RX);
00008 
00009 
00010 
00011 /******************************************************
00012 * void vInitSystemClock(void)
00013 * Purpose:
00014 *   Initialisiert Clocksystem HSI,HSE,PLL, Setzt HSE als
00015 *   Taktquelle und PLL für SystemClock = 84 Mhz.
00016 *   Aktiviert Clock Secuity System für fall das HSE versagt
00017 * Parameter:
00018 *   -Keine Parameter-
00019 * Return value:
00020 *   -Keine Return Values
00021 * Interrupt:
00022 *   Im HSE Ausfall wird RCC Interrupt aufgerufen
00023 *******************************************************/
00024 void vInitSystemClock(void)
00025 {
00026 
00027    /***Flash wait states 2 */
00028    FLASH->ACR |= Bit1 ;
00029    /** Enable the High Speed Internal Clock and wait for HSI to be stable.*/
00030    RCC->CR |= RCC_CR_HSION;
00031    while (!(RCC->CR & RCC_CR_HSIRDY));
00032    RCC->CFGR = 0x00000000;                                        // HSI enabled and used as System Clock. No Clock Division.
00033    while( (RCC->CFGR & RCC_CFGR_SWS)  != RCC_CFGR_SWS_HSI );  // WAITING HSI IS SYSTEM CLOCK
00034     /**ENABLE HSE CLOCK and wait for HSE to be stable */
00035     RCC->CR |= RCC_CR_HSEON ;
00036     while( (RCC->CR & RCC_CR_HSERDY)  == 0);
00037     RCC->CR &= ~(RCC_CR_PLLI2SON
00038                | RCC_CR_CSSON
00039                | RCC_CR_PLLON)
00040                ;   // Turn off PLL and CSS (clock security system).
00041      while(RCC->CR & RCC_CR_PLLRDY);  // WAITING PLL OF
00042    /** Disable all clock generated interrupts. */
00043    RCC->CIR = 0x00000000;
00044    RCC->PLLCFGR = 0x20000000;                                       // SETZE PLL COMFIG REGISTERINHALT KOMPLETT AUF 0
00045     /** SETTINGS FOR PLL OVER HSE 8Mhz **/
00046       RCC->PLLCFGR |=  (8 << 0)                                       // 16 / 8 = 2MHz
00047                 |(168 << 6)                                     // 2 * 168 =  336MHz
00048                 |(1 << 16)                                      // 336MHz / 4 = 84MHz (0x01 corresponds to /4)
00049                 |(RCC_PLLCFGR_PLLSRC_HSI)                       // HSI selected.
00050                 |(7 << 24);                                     // 336Mhz / 7 = 48MHz
00051    RCC->CFGR |= RCC_CFGR_PPRE1_DIV2;                              // Low speed peripheral clock setup set to 42Mhz. (84Mhz / 2)
00052    RCC->CR |= (RCC_CR_PLLON);                                     // Start the PLL clock.
00053    while (!(RCC->CR & RCC_CR_PLLRDY));                            // Wait for the PLL to start.
00054    RCC->CFGR &= ~(RCC_CFGR_SW);                                    // SET PLL AS SYSTEM CLOCK
00055    RCC->CFGR |= RCC_CFGR_SW_PLL;
00056    while ((RCC->CFGR & RCC_CFGR_SWS ) != RCC_CFGR_SWS_PLL);       // Wait for configuration to take place.
00057    /** ENABLE CLOCK SECUITY SYSTEM */
00058    RCC->CR |= Bit19 ;
00059    NVIC_EnableIRQ(RCC_IRQn);
00060 
00061 }
00062 
00063 
00064 
00065 
00066 
00067 
00068 
00069 
00070 int main()
00071 {
00072     display.cls();
00073      vInitSystemClock();
00074     PRESSURE_vInit();
00075     PRESSURE_vget_CALDATA();
00076     PRESSURE_vwrite_EEPROM_REGISTER(BMP180_register_CONTROLL,0x2E);
00077     wait(0.2);
00078     PRESSURE_DATA.i_RAW_TEMPERATUR = PRESSURE_vread_EEPROM_REGISTER(BMP180_register_ADC_ERG);
00079     wait(0.1);
00080     PRESSURE_vwrite_EEPROM_REGISTER(BMP180_register_CONTROLL,0xB4); // HIGH RESULUTUIN
00081     wait(0.1);
00082     PRESSURE_DATA.i_RAW_PRESSURE =   ( (PRESSURE_vread_EEPROM_REGISTER(BMP180_register_ADC_ERG))<<8 ) >>(8-BMP180_oss_high_resulution );
00083     PRESSURE_vCALCULATE_TEMPANDPRESSURE();
00084 
00085     while(1) {
00086         myled = 1; // LED is ON
00087         PRESSURE_vwrite_EEPROM_REGISTER(BMP180_register_CONTROLL,0x2E);
00088         wait(0.2);
00089         PRESSURE_DATA.i_RAW_TEMPERATUR = PRESSURE_vread_EEPROM_REGISTER(BMP180_register_ADC_ERG);
00090         PRESSURE_vwrite_EEPROM_REGISTER(BMP180_register_CONTROLL,0xB4); // HIGH RESULUTUIN
00091         wait(0.1);
00092         PRESSURE_DATA.i_RAW_PRESSURE =   ( (PRESSURE_vread_EEPROM_REGISTER(BMP180_register_ADC_ERG))<<8 ) >>(8-BMP180_oss_high_resulution );
00093         PRESSURE_vCALCULATE_TEMPANDPRESSURE();
00094         myled = 0; // LED is OFF
00095         wait(0.1); // 1 sec
00096         display.cls();
00097         display.printf("TEMP:%d.%d C\n", (PRESSURE_DATA.i_TEMPERATURE)/10, (PRESSURE_DATA.i_TEMPERATURE)%10 );
00098         display.locate(0,1);
00099         display.printf("Press: %d PA\n",PRESSURE_DATA.i_PRESSURE  );
00100         pc.printf("TestPrintPCDisplay\n");
00101     }
00102 }