Mike Moore
RTOS homework 4
Diff: PowerControl.h
- Revision:
- 21:eb692e90ae8d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PowerControl.h Fri Sep 13 03:59:57 2013 +0000
@@ -0,0 +1,192 @@
+/* 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"
+
+//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
\ No newline at end of file