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minimizing power on C027
Dependencies: C027_Support mbed
Fork of PowerControl by
PowerControl/PowerControl.h
- Committer:
- coyotebush
- Date:
- 2015-05-27
- Revision:
- 1:21401fc44382
- Parent:
- 0:9bd5f1bdb845
File content as of revision 1:21401fc44382:
/* mbed PowerControl Library * Copyright (c) 2010 Michael Wei */ #ifndef MBED_POWERCONTROL_H #define MBED_POWERCONTROL_H //shouldn't have to include, but fixes weird problems with defines //#include "LPC1768/LPC17xx.h" #include "C027_api.h" //System Control Register // bit 0: Reserved // bit 1: Sleep on Exit #define LPC1768_SCR_SLEEPONEXIT 0x2 // bit 2: Deep Sleep #define LPC1768_SCR_SLEEPDEEP 0x4 // bit 3: Resereved // bit 4: Send on Pending #define LPC1768_SCR_SEVONPEND 0x10 // bit 5-31: Reserved //Power Control Register // bit 0: Power mode control bit 0 (power-down mode) #define LPC1768_PCON_PM0 0x1 // bit 1: Power mode control bit 1 (deep power-down mode) #define LPC1768_PCON_PM1 0x2 // bit 2: Brown-out reduced power mode #define LPC1768_PCON_BODRPM 0x4 // bit 3: Brown-out global disable #define LPC1768_PCON_BOGD 0x8 // bit 4: Brown-out reset disable #define LPC1768_PCON_BORD 0x10 // bit 5-7 : Reserved // bit 8: Sleep Mode Entry Flag #define LPC1768_PCON_SMFLAG 0x100 // bit 9: Deep Sleep Entry Flag #define LPC1768_PCON_DSFLAG 0x200 // bit 10: Power Down Entry Flag #define LPC1768_PCON_PDFLAG 0x400 // bit 11: Deep Power Down Entry Flag #define LPC1768_PCON_DPDFLAG 0x800 // bit 12-31: Reserved //"Sleep Mode" (WFI). inline void Sleep(void) { __WFI(); } //"Deep Sleep" Mode inline void DeepSleep(void) { SCB->SCR |= LPC1768_SCR_SLEEPDEEP; __WFI(); } //"Power-Down" Mode inline void PowerDown(void) { SCB->SCR |= LPC1768_SCR_SLEEPDEEP; LPC_SC->PCON &= ~LPC1768_PCON_PM1; LPC_SC->PCON |= LPC1768_PCON_PM0; __WFI(); //reset back to normal LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0); } //"Deep Power-Down" Mode inline void DeepPowerDown(void) { SCB->SCR |= LPC1768_SCR_SLEEPDEEP; LPC_SC->PCON |= LPC1768_PCON_PM1 | LPC1768_PCON_PM0; __WFI(); //reset back to normal LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0); } //shut down BOD during power-down/deep sleep inline void BrownOut_ReducedPowerMode_Enable(void) { LPC_SC->PCON |= LPC1768_PCON_BODRPM; } //turn on BOD during power-down/deep sleep inline void BrownOut_ReducedPowerMode_Disable(void) { LPC_SC->PCON &= ~LPC1768_PCON_BODRPM; } //turn off brown out circutry inline void BrownOut_Global_Disable(void) { LPC_SC->PCON |= LPC1768_PCON_BOGD; } //turn on brown out circutry inline void BrownOut_Global_Enable(void) { LPC_SC->PCON &= !LPC1768_PCON_BOGD; } //turn off brown out reset circutry inline void BrownOut_Reset_Disable(void) { LPC_SC->PCON |= LPC1768_PCON_BORD; } //turn on brown outreset circutry inline void BrownOut_Reset_Enable(void) { LPC_SC->PCON &= ~LPC1768_PCON_BORD; } //Peripheral Control Register // bit 0: Reserved // bit 1: PCTIM0: Timer/Counter 0 power/clock enable #define LPC1768_PCONP_PCTIM0 0x2 // bit 2: PCTIM1: Timer/Counter 1 power/clock enable #define LPC1768_PCONP_PCTIM1 0x4 // bit 3: PCUART0: UART 0 power/clock enable #define LPC1768_PCONP_PCUART0 0x8 // bit 4: PCUART1: UART 1 power/clock enable #define LPC1768_PCONP_PCUART1 0x10 // bit 5: Reserved // bit 6: PCPWM1: PWM 1 power/clock enable #define LPC1768_PCONP_PCPWM1 0x40 // bit 7: PCI2C0: I2C interface 0 power/clock enable #define LPC1768_PCONP_PCI2C0 0x80 // bit 8: PCSPI: SPI interface power/clock enable #define LPC1768_PCONP_PCSPI 0x100 // bit 9: PCRTC: RTC power/clock enable #define LPC1768_PCONP_PCRTC 0x200 // bit 10: PCSSP1: SSP interface 1 power/clock enable #define LPC1768_PCONP_PCSSP1 0x400 // bit 11: Reserved // bit 12: PCADC: A/D converter power/clock enable #define LPC1768_PCONP_PCADC 0x1000 // bit 13: PCCAN1: CAN controller 1 power/clock enable #define LPC1768_PCONP_PCCAN1 0x2000 // bit 14: PCCAN2: CAN controller 2 power/clock enable #define LPC1768_PCONP_PCCAN2 0x4000 // bit 15: PCGPIO: GPIOs power/clock enable #define LPC1768_PCONP_PCGPIO 0x8000 // bit 16: PCRIT: Repetitive interrupt timer power/clock enable #define LPC1768_PCONP_PCRIT 0x10000 // bit 17: PCMCPWM: Motor control PWM power/clock enable #define LPC1768_PCONP_PCMCPWM 0x20000 // bit 18: PCQEI: Quadrature encoder interface power/clock enable #define LPC1768_PCONP_PCQEI 0x40000 // bit 19: PCI2C1: I2C interface 1 power/clock enable #define LPC1768_PCONP_PCI2C1 0x80000 // bit 20: Reserved // bit 21: PCSSP0: SSP interface 0 power/clock enable #define LPC1768_PCONP_PCSSP0 0x200000 // bit 22: PCTIM2: Timer 2 power/clock enable #define LPC1768_PCONP_PCTIM2 0x400000 // bit 23: PCTIM3: Timer 3 power/clock enable #define LPC1768_PCONP_PCQTIM3 0x800000 // bit 24: PCUART2: UART 2 power/clock enable #define LPC1768_PCONP_PCUART2 0x1000000 // bit 25: PCUART3: UART 3 power/clock enable #define LPC1768_PCONP_PCUART3 0x2000000 // bit 26: PCI2C2: I2C interface 2 power/clock enable #define LPC1768_PCONP_PCI2C2 0x4000000 // bit 27: PCI2S: I2S interface power/clock enable #define LPC1768_PCONP_PCI2S 0x8000000 // bit 28: Reserved // bit 29: PCGPDMA: GP DMA function power/clock enable #define LPC1768_PCONP_PCGPDMA 0x20000000 // bit 30: PCENET: Ethernet block power/clock enable #define LPC1768_PCONP_PCENET 0x40000000 // bit 31: PCUSB: USB interface power/clock enable #define LPC1768_PCONP_PCUSB 0x80000000 //Powers Up specified Peripheral(s) inline unsigned int Peripheral_PowerUp(unsigned int bitMask) { return LPC_SC->PCONP |= bitMask; } //Powers Down specified Peripheral(s) inline unsigned int Peripheral_PowerDown(unsigned int bitMask) { return LPC_SC->PCONP &= ~bitMask; } //returns if the peripheral is on or off inline bool Peripheral_GetStatus(unsigned int peripheral) { return (LPC_SC->PCONP & peripheral) ? true : false; } #endif