Tick Tock / Mbed 2 deprecated CANcan

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Dependencies:   SDHCFileSystem mbed

PowerControl/PowerControl.h@11:d97071bf877b, 2012-12-09 (annotated)

Committer:
TickTock
Date:
Sun Dec 09 22:40:03 2012 +0000
Revision:
11:d97071bf877b
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
TickTock 11:d97071bf877b 1 /* mbed PowerControl Library
TickTock 11:d97071bf877b 2 * Copyright (c) 2010 Michael Wei
TickTock 11:d97071bf877b 3 */
TickTock 11:d97071bf877b 4
TickTock 11:d97071bf877b 5 #ifndef MBED_POWERCONTROL_H
TickTock 11:d97071bf877b 6 #define MBED_POWERCONTROL_H
TickTock 11:d97071bf877b 7
TickTock 11:d97071bf877b 8 //shouldn't have to include, but fixes weird problems with defines
TickTock 11:d97071bf877b 9 #include "LPC1768/LPC17xx.h"
TickTock 11:d97071bf877b 10
TickTock 11:d97071bf877b 11 //System Control Register
TickTock 11:d97071bf877b 12 // bit 0: Reserved
TickTock 11:d97071bf877b 13 // bit 1: Sleep on Exit
TickTock 11:d97071bf877b 14 #define LPC1768_SCR_SLEEPONEXIT 0x2
TickTock 11:d97071bf877b 15 // bit 2: Deep Sleep
TickTock 11:d97071bf877b 16 #define LPC1768_SCR_SLEEPDEEP 0x4
TickTock 11:d97071bf877b 17 // bit 3: Resereved
TickTock 11:d97071bf877b 18 // bit 4: Send on Pending
TickTock 11:d97071bf877b 19 #define LPC1768_SCR_SEVONPEND 0x10
TickTock 11:d97071bf877b 20 // bit 5-31: Reserved
TickTock 11:d97071bf877b 21
TickTock 11:d97071bf877b 22 //Power Control Register
TickTock 11:d97071bf877b 23 // bit 0: Power mode control bit 0 (power-down mode)
TickTock 11:d97071bf877b 24 #define LPC1768_PCON_PM0 0x1
TickTock 11:d97071bf877b 25 // bit 1: Power mode control bit 1 (deep power-down mode)
TickTock 11:d97071bf877b 26 #define LPC1768_PCON_PM1 0x2
TickTock 11:d97071bf877b 27 // bit 2: Brown-out reduced power mode
TickTock 11:d97071bf877b 28 #define LPC1768_PCON_BODRPM 0x4
TickTock 11:d97071bf877b 29 // bit 3: Brown-out global disable
TickTock 11:d97071bf877b 30 #define LPC1768_PCON_BOGD 0x8
TickTock 11:d97071bf877b 31 // bit 4: Brown-out reset disable
TickTock 11:d97071bf877b 32 #define LPC1768_PCON_BORD 0x10
TickTock 11:d97071bf877b 33 // bit 5-7 : Reserved
TickTock 11:d97071bf877b 34 // bit 8: Sleep Mode Entry Flag
TickTock 11:d97071bf877b 35 #define LPC1768_PCON_SMFLAG 0x100
TickTock 11:d97071bf877b 36 // bit 9: Deep Sleep Entry Flag
TickTock 11:d97071bf877b 37 #define LPC1768_PCON_DSFLAG 0x200
TickTock 11:d97071bf877b 38 // bit 10: Power Down Entry Flag
TickTock 11:d97071bf877b 39 #define LPC1768_PCON_PDFLAG 0x400
TickTock 11:d97071bf877b 40 // bit 11: Deep Power Down Entry Flag
TickTock 11:d97071bf877b 41 #define LPC1768_PCON_DPDFLAG 0x800
TickTock 11:d97071bf877b 42 // bit 12-31: Reserved
TickTock 11:d97071bf877b 43
TickTock 11:d97071bf877b 44 //"Sleep Mode" (WFI).
TickTock 11:d97071bf877b 45 inline void Sleep(void)
TickTock 11:d97071bf877b 46 {
TickTock 11:d97071bf877b 47 __WFI();
TickTock 11:d97071bf877b 48 }
TickTock 11:d97071bf877b 49
TickTock 11:d97071bf877b 50 //"Deep Sleep" Mode
TickTock 11:d97071bf877b 51 inline void DeepSleep(void)
TickTock 11:d97071bf877b 52 {
TickTock 11:d97071bf877b 53 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
TickTock 11:d97071bf877b 54 __WFI();
TickTock 11:d97071bf877b 55 }
TickTock 11:d97071bf877b 56
TickTock 11:d97071bf877b 57 //"Power-Down" Mode
TickTock 11:d97071bf877b 58 inline void PowerDown(void)
TickTock 11:d97071bf877b 59 {
TickTock 11:d97071bf877b 60 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
TickTock 11:d97071bf877b 61 LPC_SC->PCON &= ~LPC1768_PCON_PM1;
TickTock 11:d97071bf877b 62 LPC_SC->PCON |= LPC1768_PCON_PM0;
TickTock 11:d97071bf877b 63 __WFI();
TickTock 11:d97071bf877b 64 //reset back to normal
TickTock 11:d97071bf877b 65 LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0);
TickTock 11:d97071bf877b 66 }
TickTock 11:d97071bf877b 67
TickTock 11:d97071bf877b 68 //"Deep Power-Down" Mode
TickTock 11:d97071bf877b 69 inline void DeepPowerDown(void)
TickTock 11:d97071bf877b 70 {
TickTock 11:d97071bf877b 71 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
TickTock 11:d97071bf877b 72 LPC_SC->PCON |= LPC1768_PCON_PM1 | LPC1768_PCON_PM0;
TickTock 11:d97071bf877b 73 __WFI();
TickTock 11:d97071bf877b 74 //reset back to normal
TickTock 11:d97071bf877b 75 LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0);
TickTock 11:d97071bf877b 76 }
TickTock 11:d97071bf877b 77
TickTock 11:d97071bf877b 78 //shut down BOD during power-down/deep sleep
TickTock 11:d97071bf877b 79 inline void BrownOut_ReducedPowerMode_Enable(void)
TickTock 11:d97071bf877b 80 {
TickTock 11:d97071bf877b 81 LPC_SC->PCON |= LPC1768_PCON_BODRPM;
TickTock 11:d97071bf877b 82 }
TickTock 11:d97071bf877b 83
TickTock 11:d97071bf877b 84 //turn on BOD during power-down/deep sleep
TickTock 11:d97071bf877b 85 inline void BrownOut_ReducedPowerMode_Disable(void)
TickTock 11:d97071bf877b 86 {
TickTock 11:d97071bf877b 87 LPC_SC->PCON &= ~LPC1768_PCON_BODRPM;
TickTock 11:d97071bf877b 88 }
TickTock 11:d97071bf877b 89
TickTock 11:d97071bf877b 90 //turn off brown out circutry
TickTock 11:d97071bf877b 91 inline void BrownOut_Global_Disable(void)
TickTock 11:d97071bf877b 92 {
TickTock 11:d97071bf877b 93 LPC_SC->PCON |= LPC1768_PCON_BOGD;
TickTock 11:d97071bf877b 94 }
TickTock 11:d97071bf877b 95
TickTock 11:d97071bf877b 96 //turn on brown out circutry
TickTock 11:d97071bf877b 97 inline void BrownOut_Global_Enable(void)
TickTock 11:d97071bf877b 98 {
TickTock 11:d97071bf877b 99 LPC_SC->PCON &= !LPC1768_PCON_BOGD;
TickTock 11:d97071bf877b 100 }
TickTock 11:d97071bf877b 101
TickTock 11:d97071bf877b 102 //turn off brown out reset circutry
TickTock 11:d97071bf877b 103 inline void BrownOut_Reset_Disable(void)
TickTock 11:d97071bf877b 104 {
TickTock 11:d97071bf877b 105 LPC_SC->PCON |= LPC1768_PCON_BORD;
TickTock 11:d97071bf877b 106 }
TickTock 11:d97071bf877b 107
TickTock 11:d97071bf877b 108 //turn on brown outreset circutry
TickTock 11:d97071bf877b 109 inline void BrownOut_Reset_Enable(void)
TickTock 11:d97071bf877b 110 {
TickTock 11:d97071bf877b 111 LPC_SC->PCON &= ~LPC1768_PCON_BORD;
TickTock 11:d97071bf877b 112 }
TickTock 11:d97071bf877b 113 //Peripheral Control Register
TickTock 11:d97071bf877b 114 // bit 0: Reserved
TickTock 11:d97071bf877b 115 // bit 1: PCTIM0: Timer/Counter 0 power/clock enable
TickTock 11:d97071bf877b 116 #define LPC1768_PCONP_PCTIM0 0x2
TickTock 11:d97071bf877b 117 // bit 2: PCTIM1: Timer/Counter 1 power/clock enable
TickTock 11:d97071bf877b 118 #define LPC1768_PCONP_PCTIM1 0x4
TickTock 11:d97071bf877b 119 // bit 3: PCUART0: UART 0 power/clock enable
TickTock 11:d97071bf877b 120 #define LPC1768_PCONP_PCUART0 0x8
TickTock 11:d97071bf877b 121 // bit 4: PCUART1: UART 1 power/clock enable
TickTock 11:d97071bf877b 122 #define LPC1768_PCONP_PCUART1 0x10
TickTock 11:d97071bf877b 123 // bit 5: Reserved
TickTock 11:d97071bf877b 124 // bit 6: PCPWM1: PWM 1 power/clock enable
TickTock 11:d97071bf877b 125 #define LPC1768_PCONP_PCPWM1 0x40
TickTock 11:d97071bf877b 126 // bit 7: PCI2C0: I2C interface 0 power/clock enable
TickTock 11:d97071bf877b 127 #define LPC1768_PCONP_PCI2C0 0x80
TickTock 11:d97071bf877b 128 // bit 8: PCSPI: SPI interface power/clock enable
TickTock 11:d97071bf877b 129 #define LPC1768_PCONP_PCSPI 0x100
TickTock 11:d97071bf877b 130 // bit 9: PCRTC: RTC power/clock enable
TickTock 11:d97071bf877b 131 #define LPC1768_PCONP_PCRTC 0x200
TickTock 11:d97071bf877b 132 // bit 10: PCSSP1: SSP interface 1 power/clock enable
TickTock 11:d97071bf877b 133 #define LPC1768_PCONP_PCSSP1 0x400
TickTock 11:d97071bf877b 134 // bit 11: Reserved
TickTock 11:d97071bf877b 135 // bit 12: PCADC: A/D converter power/clock enable
TickTock 11:d97071bf877b 136 #define LPC1768_PCONP_PCADC 0x1000
TickTock 11:d97071bf877b 137 // bit 13: PCCAN1: CAN controller 1 power/clock enable
TickTock 11:d97071bf877b 138 #define LPC1768_PCONP_PCCAN1 0x2000
TickTock 11:d97071bf877b 139 // bit 14: PCCAN2: CAN controller 2 power/clock enable
TickTock 11:d97071bf877b 140 #define LPC1768_PCONP_PCCAN2 0x4000
TickTock 11:d97071bf877b 141 // bit 15: PCGPIO: GPIOs power/clock enable
TickTock 11:d97071bf877b 142 #define LPC1768_PCONP_PCGPIO 0x8000
TickTock 11:d97071bf877b 143 // bit 16: PCRIT: Repetitive interrupt timer power/clock enable
TickTock 11:d97071bf877b 144 #define LPC1768_PCONP_PCRIT 0x10000
TickTock 11:d97071bf877b 145 // bit 17: PCMCPWM: Motor control PWM power/clock enable
TickTock 11:d97071bf877b 146 #define LPC1768_PCONP_PCMCPWM 0x20000
TickTock 11:d97071bf877b 147 // bit 18: PCQEI: Quadrature encoder interface power/clock enable
TickTock 11:d97071bf877b 148 #define LPC1768_PCONP_PCQEI 0x40000
TickTock 11:d97071bf877b 149 // bit 19: PCI2C1: I2C interface 1 power/clock enable
TickTock 11:d97071bf877b 150 #define LPC1768_PCONP_PCI2C1 0x80000
TickTock 11:d97071bf877b 151 // bit 20: Reserved
TickTock 11:d97071bf877b 152 // bit 21: PCSSP0: SSP interface 0 power/clock enable
TickTock 11:d97071bf877b 153 #define LPC1768_PCONP_PCSSP0 0x200000
TickTock 11:d97071bf877b 154 // bit 22: PCTIM2: Timer 2 power/clock enable
TickTock 11:d97071bf877b 155 #define LPC1768_PCONP_PCTIM2 0x400000
TickTock 11:d97071bf877b 156 // bit 23: PCTIM3: Timer 3 power/clock enable
TickTock 11:d97071bf877b 157 #define LPC1768_PCONP_PCQTIM3 0x800000
TickTock 11:d97071bf877b 158 // bit 24: PCUART2: UART 2 power/clock enable
TickTock 11:d97071bf877b 159 #define LPC1768_PCONP_PCUART2 0x1000000
TickTock 11:d97071bf877b 160 // bit 25: PCUART3: UART 3 power/clock enable
TickTock 11:d97071bf877b 161 #define LPC1768_PCONP_PCUART3 0x2000000
TickTock 11:d97071bf877b 162 // bit 26: PCI2C2: I2C interface 2 power/clock enable
TickTock 11:d97071bf877b 163 #define LPC1768_PCONP_PCI2C2 0x4000000
TickTock 11:d97071bf877b 164 // bit 27: PCI2S: I2S interface power/clock enable
TickTock 11:d97071bf877b 165 #define LPC1768_PCONP_PCI2S 0x8000000
TickTock 11:d97071bf877b 166 // bit 28: Reserved
TickTock 11:d97071bf877b 167 // bit 29: PCGPDMA: GP DMA function power/clock enable
TickTock 11:d97071bf877b 168 #define LPC1768_PCONP_PCGPDMA 0x20000000
TickTock 11:d97071bf877b 169 // bit 30: PCENET: Ethernet block power/clock enable
TickTock 11:d97071bf877b 170 #define LPC1768_PCONP_PCENET 0x40000000
TickTock 11:d97071bf877b 171 // bit 31: PCUSB: USB interface power/clock enable
TickTock 11:d97071bf877b 172 #define LPC1768_PCONP_PCUSB 0x80000000
TickTock 11:d97071bf877b 173
TickTock 11:d97071bf877b 174 //Powers Up specified Peripheral(s)
TickTock 11:d97071bf877b 175 inline unsigned int Peripheral_PowerUp(unsigned int bitMask)
TickTock 11:d97071bf877b 176 {
TickTock 11:d97071bf877b 177 return LPC_SC->PCONP |= bitMask;
TickTock 11:d97071bf877b 178 }
TickTock 11:d97071bf877b 179
TickTock 11:d97071bf877b 180 //Powers Down specified Peripheral(s)
TickTock 11:d97071bf877b 181 inline unsigned int Peripheral_PowerDown(unsigned int bitMask)
TickTock 11:d97071bf877b 182 {
TickTock 11:d97071bf877b 183 return LPC_SC->PCONP &= ~bitMask;
TickTock 11:d97071bf877b 184 }
TickTock 11:d97071bf877b 185
TickTock 11:d97071bf877b 186 //returns if the peripheral is on or off
TickTock 11:d97071bf877b 187 inline bool Peripheral_GetStatus(unsigned int peripheral)
TickTock 11:d97071bf877b 188 {
TickTock 11:d97071bf877b 189 return (LPC_SC->PCONP & peripheral) ? true : false;
TickTock 11:d97071bf877b 190 }
TickTock 11:d97071bf877b 191
TickTock 11:d97071bf877b 192 #endif