/** * @brief MRT example main function * @return Status (This function will not return) */ int main(void) { int mrtch; /* Generic Initialization */ SystemCoreClockUpdate(); Board_Init(); DEBUGSTR("LPC15xx MRT Example \r\n"); /* MRT Initialization and disable all timers */ Chip_MRT_Init(); for (mrtch = 0; mrtch < MRT_CHANNELS_NUM; mrtch++) { Chip_MRT_SetDisabled(Chip_MRT_GetRegPtr(mrtch)); } /* Enable the interrupt for the MRT */ NVIC_EnableIRQ(MRT_IRQn); /* Enable timers 0 and 1 in repeat mode with different rates */ setupMRT(0, MRT_MODE_REPEAT, 2);/* 2Hz rate */ setupMRT(1, MRT_MODE_REPEAT, 5);/* 5Hz rate */ /* Enable timer 2 in single one mode with the interrupt restarting the timer */ setupMRT(2, MRT_MODE_ONESHOT, 7); /* Will fire in 1/7 seconds */ /* All processing and MRT reset in the interrupt handler */ while (1) { __WFI(); } return 0; }
/** * @brief MRT example main function * @return Status (This function will not return) */ int main(void) { int mrtch; static uint32_t mSecShot; /* Generic Initialization */ SystemCoreClockUpdate(); Board_Init(); DEBUGSTR("LPC8xx MRT Example \r\n"); /* MRT Initialization and disable all timers */ Chip_MRT_Init(); for (mrtch = 0; mrtch < MRT_CHANNELS_NUM; mrtch++) { Chip_MRT_SetDisabled(Chip_MRT_GetRegPtr(mrtch)); } /* Enable the interrupt for the MRT */ NVIC_EnableIRQ(MRT_IRQn); /* Enable timers 0 and 1 in repeat mode with different rates */ setupMRT(0, MRT_MODE_REPEAT, 5);/* 5Hz rate */ setupMRT(1, MRT_MODE_REPEAT, 4);/* 4Hz rate */ /* Enable timer 2 in single one mode with the interrupt restarting the timer */ setupMRT(2, MRT_MODE_ONESHOT, 500); /* Will fire in (1/500) seconds */ mSecShot = 100; Board_LED_Set(0, false); /* Timer 3 processing loop - places timer 3 into one shot mode whenever it has been handled in the IRQ handler */ while (1) { if (!t3Fired) { t3Fired = true; setupMRT(3, MRT_MODE_ONESHOT, mSecShot);/* Will fire in (1/mSecShot) seconds */ Board_LED_Toggle(2); mSecShot += 10; if (mSecShot > 1000) { mSecShot = 100; } } __WFI(); } return 0; }
int main(void) { uint32_t sysTickRate; Board_Init(); #ifdef DEBUG // Set up UART for debug init_uart(115200); putLineUART("\n"); #endif // Enable EEPROM clock and reset EEPROM controller Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_EEPROM); Chip_SYSCTL_PeriphReset(RESET_EEPROM); // Set up clocking for SD lib SystemCoreClockUpdate(); DWT_Init(); // Set up the FatFS Object f_mount(fatfs,"",0); // Initialize SD card Board_LED_Color(LED_CYAN); if(sd_reset(&cardinfo) != SD_OK) { error(ERROR_SD_INIT); } sd_state = SD_READY; // Setup config Board_LED_Color(LED_CYAN); configStart(); Board_LED_Color(LED_GREEN); // Allow MSC mode on startup msc_state = MSC_ENABLED; // Log startup log_string("Startup"); // Set up ADC for reading battery voltage read_vBat_setup(); // Initialize ring buffer used to buffer raw data samples rawBuff = RingBuffer_initWithBuffer(RAW_BUFF_SIZE, RAM1_BASE); // Set up MRT used by pb and daq Chip_MRT_Init(); NVIC_ClearPendingIRQ(MRT_IRQn); NVIC_EnableIRQ(MRT_IRQn); NVIC_SetPriority(MRT_IRQn, 0x02); // Set higher than systick, but lower than sampling // Initialize push button pb_init(); // Enable and setup SysTick Timer at a periodic rate Chip_Clock_SetSysTickClockDiv(1); sysTickRate = Chip_Clock_GetSysTickClockRate(); SysTick_Config(sysTickRate / TICKRATE_HZ1); // Idle and run systick loop until triggered or plugged in as a USB device system_state = STATE_IDLE; enterIdleTime = Chip_RTC_GetCount(LPC_RTC); // Wait for interrupts while (1) { __WFI(); } return 0 ; }
int32_t main(void) { int32_t i,cnt=0; uint8_t RC5_System_prev=0; uint8_t RC5_Command_prev=0; CHIP_PMU_MCUPOWER_T mcupower=PMU_MCU_SLEEP; SystemCoreClockUpdate(); // init GPIO Chip_GPIO_Init(LPC_GPIO_PORT); Chip_SYSCTL_PeriphReset(RESET_GPIO); // init SPI0 at SystemCoreClock speed Chip_SPI_Init(LPC_SPI0); Chip_SPI_ConfigureSPI(LPC_SPI0,SPI_MODE_MASTER| SPI_CLOCK_CPHA0_CPOL0| SPI_DATA_MSB_FIRST| SPI_SSEL_ACTIVE_LO); LPC_SPI0->DIV=0; Chip_SPI_Enable(LPC_SPI0); // init MRT Chip_MRT_Init(); // init SWM Chip_SWM_Init(); Chip_SWM_DisableFixedPin(SWM_FIXED_SWCLK);//PIO0_3 Chip_SWM_DisableFixedPin(SWM_FIXED_SWDIO);//PIO0_2 Chip_SWM_DisableFixedPin(SWM_FIXED_ACMP_I2);//PIO0_1 Chip_SWM_DisableFixedPin(SWM_FIXED_ACMP_I1);//PIO0_0 Chip_SWM_MovablePinAssign(SWM_SPI0_SCK_IO,CLK_PIN); Chip_SWM_MovablePinAssign(SWM_SPI0_MOSI_IO,MOSI_PIN); Chip_SWM_MovablePinAssign(SWM_CTIN_0_I,IR_PIN); Chip_SWM_Deinit(); // init onboard LED Chip_GPIO_SetPinState(LPC_GPIO_PORT,0,LED_PIN,true); Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT,0,LED_PIN); // init LCD reset pin Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT,0,RESET_PIN); // init LCD LCDInit(); LCDClearScreenBlack(); // init SCT Chip_SCT_Init(LPC_SCT); // set prescaler, SCT clock = 1 MHz, clear counter LPC_SCT->CTRL_L |= SCT_CTRL_PRE_L(SystemCoreClock/1000000-1) | SCT_CTRL_CLRCTR_L; sct_fsm_init(); NVIC_EnableIRQ(SCT_IRQn); // init PIO0_3 pin interrupt for wakeup from sleep mode Chip_SYSCTL_SetPinInterrupt(IR_IRQ,IR_PIN); Chip_PININT_EnableIntLow(LPC_PININT, PININTCH(IR_IRQ)); NVIC_EnableIRQ(PININT3_IRQn); Chip_SYSCTL_EnablePINTWakeup(IR_IRQ); // set sleep options Chip_SYSCTL_SetDeepSleepPD(SYSCTL_DEEPSLP_BOD_PD | SYSCTL_DEEPSLP_WDTOSC_PD); Chip_SYSCTL_SetWakeup(~(SYSCTL_SLPWAKE_IRCOUT_PD | SYSCTL_SLPWAKE_IRC_PD | SYSCTL_SLPWAKE_FLASH_PD )); LCDPutStr("kbiva.wordpress.com", MAX_X / 2 + 50, 10, WHITE, BLACK); LCDPutStr("RC5 Decoder", MAX_X / 2 + 35, 35, WHITE, BLACK); LCDPutStr("Frame:", MAX_X / 2 + 20, 1, WHITE, BLACK); LCDPutStr("System:", MAX_X / 2 + 5 , 1, WHITE, BLACK); LCDPutStr("Cmd:", MAX_X / 2 - 10, 1, WHITE, BLACK); LCDPutStr("Toggle:", MAX_X / 2 - 25, 1, WHITE, BLACK); LCDPutStr("Count:", MAX_X / 2 - 40, 1, WHITE, BLACK); while (1) { // put chip to sleep switch(mcupower) { case PMU_MCU_SLEEP: default: LCDPutStr("SLEEP ", MAX_X / 2 - 60, 10, WHITE, BLACK); Chip_PMU_SleepState(LPC_PMU); break; case PMU_MCU_DEEP_SLEEP: LCDPutStr("DEEP-SLEEP", MAX_X / 2 - 60, 10, WHITE, BLACK); Chip_PMU_DeepSleepState(LPC_PMU); break; case PMU_MCU_POWER_DOWN: LCDPutStr("POWER-DOWN", MAX_X / 2 - 60, 10, WHITE, BLACK); Chip_PMU_PowerDownState(LPC_PMU); break; } // start MRT timer channel 0 Chip_MRT_SetInterval(LPC_MRT_CH0, SystemCoreClock | MRT_INTVAL_LOAD); Chip_MRT_SetMode(LPC_MRT_CH0,MRT_MODE_ONESHOT); Chip_MRT_SetEnabled(LPC_MRT_CH0); // turn on onboard LED Chip_GPIO_SetPinState(LPC_GPIO_PORT,0,LED_PIN,false); // start SCT LPC_SCT->CTRL_L &= ~SCT_CTRL_HALT_L; // wait for timeout while(!RC5_timeout) {}; // stop SCT LPC_SCT->CTRL_L |= SCT_CTRL_HALT_L; if (RC5_flag) { // if frame received, output information on LCD if((RC5_System != RC5_System_prev) || (RC5_Command != RC5_Command_prev)) { cnt = 1; } else { cnt++; } for (i = 3; i >= 0; i--){ LCDPutChar(ascii[(RC5_Frame >> (i * 4)) & 0x0F],MAX_X / 2 + 20,80+(3-i)*7,WHITE, BLACK); if(i < 2) { if((RC5_System!=RC5_System_prev) || (RC5_Command!=RC5_Command_prev)){ LCDPutChar(ascii[(RC5_System >> (i * 4)) & 0x0F],MAX_X / 2 + 5,66+(3-i)*7,WHITE, BLACK); LCDPutChar(ascii[(RC5_Command >> (i * 4)) & 0x0F],MAX_X / 2 - 10,66+(3-i)*7,WHITE, BLACK); } } LCDPutChar(ascii[(cnt >> (i * 4)) & 0x0F],MAX_X / 2 - 40,80+(3-i)*7,WHITE, BLACK); } LCDPutStr(RC5_Toggle ? "ON ":"OFF", MAX_X / 2 - 25, 80, WHITE, BLACK); switch(RC5_Command) { case 0x50: mcupower = PMU_MCU_SLEEP; break; case 0x55: if(RC5_Toggle){ spi0Transfer(SLEEPOUT); spi0Transfer(DISPON); } else { spi0Transfer(DISPOFF); spi0Transfer(SLEEPIN); } break; case 0x56: mcupower = PMU_MCU_DEEP_SLEEP; break; case 0x6B: mcupower = PMU_MCU_POWER_DOWN; break; } RC5_System_prev = RC5_System; RC5_Command_prev = RC5_Command; } // turn off onboard LED Chip_GPIO_SetPinState(LPC_GPIO_PORT,0,LED_PIN,true); // clear flags RC5_flag = 0; RC5_timeout = 0; }