test

Dependencies:   FatFileSystem TextLCD mbed

Committer:
y_notsu
Date:
Tue Sep 18 07:24:22 2012 +0000
Revision:
0:2c37ad282618
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
y_notsu 0:2c37ad282618 1 /* mbed PowerControl Library
y_notsu 0:2c37ad282618 2 * Copyright (c) 2010 Michael Wei
y_notsu 0:2c37ad282618 3 */
y_notsu 0:2c37ad282618 4
y_notsu 0:2c37ad282618 5 #ifndef MBED_POWERCONTROL_H
y_notsu 0:2c37ad282618 6 #define MBED_POWERCONTROL_H
y_notsu 0:2c37ad282618 7
y_notsu 0:2c37ad282618 8 //shouldn't have to include, but fixes weird problems with defines
y_notsu 0:2c37ad282618 9 #include "LPC1768/LPC17xx.h"
y_notsu 0:2c37ad282618 10
y_notsu 0:2c37ad282618 11 //System Control Register
y_notsu 0:2c37ad282618 12 // bit 0: Reserved
y_notsu 0:2c37ad282618 13 // bit 1: Sleep on Exit
y_notsu 0:2c37ad282618 14 #define LPC1768_SCR_SLEEPONEXIT 0x2
y_notsu 0:2c37ad282618 15 // bit 2: Deep Sleep
y_notsu 0:2c37ad282618 16 #define LPC1768_SCR_SLEEPDEEP 0x4
y_notsu 0:2c37ad282618 17 // bit 3: Resereved
y_notsu 0:2c37ad282618 18 // bit 4: Send on Pending
y_notsu 0:2c37ad282618 19 #define LPC1768_SCR_SEVONPEND 0x10
y_notsu 0:2c37ad282618 20 // bit 5-31: Reserved
y_notsu 0:2c37ad282618 21
y_notsu 0:2c37ad282618 22 //Power Control Register
y_notsu 0:2c37ad282618 23 // bit 0: Power mode control bit 0 (power-down mode)
y_notsu 0:2c37ad282618 24 #define LPC1768_PCON_PM0 0x1
y_notsu 0:2c37ad282618 25 // bit 1: Power mode control bit 1 (deep power-down mode)
y_notsu 0:2c37ad282618 26 #define LPC1768_PCON_PM1 0x2
y_notsu 0:2c37ad282618 27 // bit 2: Brown-out reduced power mode
y_notsu 0:2c37ad282618 28 #define LPC1768_PCON_BODRPM 0x4
y_notsu 0:2c37ad282618 29 // bit 3: Brown-out global disable
y_notsu 0:2c37ad282618 30 #define LPC1768_PCON_BOGD 0x8
y_notsu 0:2c37ad282618 31 // bit 4: Brown-out reset disable
y_notsu 0:2c37ad282618 32 #define LPC1768_PCON_BORD 0x10
y_notsu 0:2c37ad282618 33 // bit 5-7 : Reserved
y_notsu 0:2c37ad282618 34 // bit 8: Sleep Mode Entry Flag
y_notsu 0:2c37ad282618 35 #define LPC1768_PCON_SMFLAG 0x100
y_notsu 0:2c37ad282618 36 // bit 9: Deep Sleep Entry Flag
y_notsu 0:2c37ad282618 37 #define LPC1768_PCON_DSFLAG 0x200
y_notsu 0:2c37ad282618 38 // bit 10: Power Down Entry Flag
y_notsu 0:2c37ad282618 39 #define LPC1768_PCON_PDFLAG 0x400
y_notsu 0:2c37ad282618 40 // bit 11: Deep Power Down Entry Flag
y_notsu 0:2c37ad282618 41 #define LPC1768_PCON_DPDFLAG 0x800
y_notsu 0:2c37ad282618 42 // bit 12-31: Reserved
y_notsu 0:2c37ad282618 43
y_notsu 0:2c37ad282618 44 //"Sleep Mode" (WFI).
y_notsu 0:2c37ad282618 45 inline void Sleep(void)
y_notsu 0:2c37ad282618 46 {
y_notsu 0:2c37ad282618 47 __WFI();
y_notsu 0:2c37ad282618 48 }
y_notsu 0:2c37ad282618 49
y_notsu 0:2c37ad282618 50 //"Deep Sleep" Mode
y_notsu 0:2c37ad282618 51 inline void DeepSleep(void)
y_notsu 0:2c37ad282618 52 {
y_notsu 0:2c37ad282618 53 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
y_notsu 0:2c37ad282618 54 __WFI();
y_notsu 0:2c37ad282618 55 }
y_notsu 0:2c37ad282618 56
y_notsu 0:2c37ad282618 57 //"Power-Down" Mode
y_notsu 0:2c37ad282618 58 inline void PowerDown(void)
y_notsu 0:2c37ad282618 59 {
y_notsu 0:2c37ad282618 60 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
y_notsu 0:2c37ad282618 61 LPC_SC->PCON &= ~LPC1768_PCON_PM1;
y_notsu 0:2c37ad282618 62 LPC_SC->PCON |= LPC1768_PCON_PM0;
y_notsu 0:2c37ad282618 63 __WFI();
y_notsu 0:2c37ad282618 64 //reset back to normal
y_notsu 0:2c37ad282618 65 LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0);
y_notsu 0:2c37ad282618 66 }
y_notsu 0:2c37ad282618 67
y_notsu 0:2c37ad282618 68 //"Deep Power-Down" Mode
y_notsu 0:2c37ad282618 69 inline void DeepPowerDown(void)
y_notsu 0:2c37ad282618 70 {
y_notsu 0:2c37ad282618 71 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
y_notsu 0:2c37ad282618 72 LPC_SC->PCON |= LPC1768_PCON_PM1 | LPC1768_PCON_PM0;
y_notsu 0:2c37ad282618 73 __WFI();
y_notsu 0:2c37ad282618 74 //reset back to normal
y_notsu 0:2c37ad282618 75 LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0);
y_notsu 0:2c37ad282618 76 }
y_notsu 0:2c37ad282618 77
y_notsu 0:2c37ad282618 78 //shut down BOD during power-down/deep sleep
y_notsu 0:2c37ad282618 79 inline void BrownOut_ReducedPowerMode_Enable(void)
y_notsu 0:2c37ad282618 80 {
y_notsu 0:2c37ad282618 81 LPC_SC->PCON |= LPC1768_PCON_BODRPM;
y_notsu 0:2c37ad282618 82 }
y_notsu 0:2c37ad282618 83
y_notsu 0:2c37ad282618 84 //turn on BOD during power-down/deep sleep
y_notsu 0:2c37ad282618 85 inline void BrownOut_ReducedPowerMode_Disable(void)
y_notsu 0:2c37ad282618 86 {
y_notsu 0:2c37ad282618 87 LPC_SC->PCON &= ~LPC1768_PCON_BODRPM;
y_notsu 0:2c37ad282618 88 }
y_notsu 0:2c37ad282618 89
y_notsu 0:2c37ad282618 90 //turn off brown out circutry
y_notsu 0:2c37ad282618 91 inline void BrownOut_Global_Disable(void)
y_notsu 0:2c37ad282618 92 {
y_notsu 0:2c37ad282618 93 LPC_SC->PCON |= LPC1768_PCON_BOGD;
y_notsu 0:2c37ad282618 94 }
y_notsu 0:2c37ad282618 95
y_notsu 0:2c37ad282618 96 //turn on brown out circutry
y_notsu 0:2c37ad282618 97 inline void BrownOut_Global_Enable(void)
y_notsu 0:2c37ad282618 98 {
y_notsu 0:2c37ad282618 99 LPC_SC->PCON &= !LPC1768_PCON_BOGD;
y_notsu 0:2c37ad282618 100 }
y_notsu 0:2c37ad282618 101
y_notsu 0:2c37ad282618 102 //turn off brown out reset circutry
y_notsu 0:2c37ad282618 103 inline void BrownOut_Reset_Disable(void)
y_notsu 0:2c37ad282618 104 {
y_notsu 0:2c37ad282618 105 LPC_SC->PCON |= LPC1768_PCON_BORD;
y_notsu 0:2c37ad282618 106 }
y_notsu 0:2c37ad282618 107
y_notsu 0:2c37ad282618 108 //turn on brown outreset circutry
y_notsu 0:2c37ad282618 109 inline void BrownOut_Reset_Enable(void)
y_notsu 0:2c37ad282618 110 {
y_notsu 0:2c37ad282618 111 LPC_SC->PCON &= ~LPC1768_PCON_BORD;
y_notsu 0:2c37ad282618 112 }
y_notsu 0:2c37ad282618 113 //Peripheral Control Register
y_notsu 0:2c37ad282618 114 // bit 0: Reserved
y_notsu 0:2c37ad282618 115 // bit 1: PCTIM0: Timer/Counter 0 power/clock enable
y_notsu 0:2c37ad282618 116 #define LPC1768_PCONP_PCTIM0 0x2
y_notsu 0:2c37ad282618 117 // bit 2: PCTIM1: Timer/Counter 1 power/clock enable
y_notsu 0:2c37ad282618 118 #define LPC1768_PCONP_PCTIM1 0x4
y_notsu 0:2c37ad282618 119 // bit 3: PCUART0: UART 0 power/clock enable
y_notsu 0:2c37ad282618 120 #define LPC1768_PCONP_PCUART0 0x8
y_notsu 0:2c37ad282618 121 // bit 4: PCUART1: UART 1 power/clock enable
y_notsu 0:2c37ad282618 122 #define LPC1768_PCONP_PCUART1 0x10
y_notsu 0:2c37ad282618 123 // bit 5: Reserved
y_notsu 0:2c37ad282618 124 // bit 6: PCPWM1: PWM 1 power/clock enable
y_notsu 0:2c37ad282618 125 #define LPC1768_PCONP_PCPWM1 0x40
y_notsu 0:2c37ad282618 126 // bit 7: PCI2C0: I2C interface 0 power/clock enable
y_notsu 0:2c37ad282618 127 #define LPC1768_PCONP_PCI2C0 0x80
y_notsu 0:2c37ad282618 128 // bit 8: PCSPI: SPI interface power/clock enable
y_notsu 0:2c37ad282618 129 #define LPC1768_PCONP_PCSPI 0x100
y_notsu 0:2c37ad282618 130 // bit 9: PCRTC: RTC power/clock enable
y_notsu 0:2c37ad282618 131 #define LPC1768_PCONP_PCRTC 0x200
y_notsu 0:2c37ad282618 132 // bit 10: PCSSP1: SSP interface 1 power/clock enable
y_notsu 0:2c37ad282618 133 #define LPC1768_PCONP_PCSSP1 0x400
y_notsu 0:2c37ad282618 134 // bit 11: Reserved
y_notsu 0:2c37ad282618 135 // bit 12: PCADC: A/D converter power/clock enable
y_notsu 0:2c37ad282618 136 #define LPC1768_PCONP_PCADC 0x1000
y_notsu 0:2c37ad282618 137 // bit 13: PCCAN1: CAN controller 1 power/clock enable
y_notsu 0:2c37ad282618 138 #define LPC1768_PCONP_PCCAN1 0x2000
y_notsu 0:2c37ad282618 139 // bit 14: PCCAN2: CAN controller 2 power/clock enable
y_notsu 0:2c37ad282618 140 #define LPC1768_PCONP_PCCAN2 0x4000
y_notsu 0:2c37ad282618 141 // bit 15: PCGPIO: GPIOs power/clock enable
y_notsu 0:2c37ad282618 142 #define LPC1768_PCONP_PCGPIO 0x8000
y_notsu 0:2c37ad282618 143 // bit 16: PCRIT: Repetitive interrupt timer power/clock enable
y_notsu 0:2c37ad282618 144 #define LPC1768_PCONP_PCRIT 0x10000
y_notsu 0:2c37ad282618 145 // bit 17: PCMCPWM: Motor control PWM power/clock enable
y_notsu 0:2c37ad282618 146 #define LPC1768_PCONP_PCMCPWM 0x20000
y_notsu 0:2c37ad282618 147 // bit 18: PCQEI: Quadrature encoder interface power/clock enable
y_notsu 0:2c37ad282618 148 #define LPC1768_PCONP_PCQEI 0x40000
y_notsu 0:2c37ad282618 149 // bit 19: PCI2C1: I2C interface 1 power/clock enable
y_notsu 0:2c37ad282618 150 #define LPC1768_PCONP_PCI2C1 0x80000
y_notsu 0:2c37ad282618 151 // bit 20: Reserved
y_notsu 0:2c37ad282618 152 // bit 21: PCSSP0: SSP interface 0 power/clock enable
y_notsu 0:2c37ad282618 153 #define LPC1768_PCONP_PCSSP0 0x200000
y_notsu 0:2c37ad282618 154 // bit 22: PCTIM2: Timer 2 power/clock enable
y_notsu 0:2c37ad282618 155 #define LPC1768_PCONP_PCTIM2 0x400000
y_notsu 0:2c37ad282618 156 // bit 23: PCTIM3: Timer 3 power/clock enable
y_notsu 0:2c37ad282618 157 #define LPC1768_PCONP_PCQTIM3 0x800000
y_notsu 0:2c37ad282618 158 // bit 24: PCUART2: UART 2 power/clock enable
y_notsu 0:2c37ad282618 159 #define LPC1768_PCONP_PCUART2 0x1000000
y_notsu 0:2c37ad282618 160 // bit 25: PCUART3: UART 3 power/clock enable
y_notsu 0:2c37ad282618 161 #define LPC1768_PCONP_PCUART3 0x2000000
y_notsu 0:2c37ad282618 162 // bit 26: PCI2C2: I2C interface 2 power/clock enable
y_notsu 0:2c37ad282618 163 #define LPC1768_PCONP_PCI2C2 0x4000000
y_notsu 0:2c37ad282618 164 // bit 27: PCI2S: I2S interface power/clock enable
y_notsu 0:2c37ad282618 165 #define LPC1768_PCONP_PCI2S 0x8000000
y_notsu 0:2c37ad282618 166 // bit 28: Reserved
y_notsu 0:2c37ad282618 167 // bit 29: PCGPDMA: GP DMA function power/clock enable
y_notsu 0:2c37ad282618 168 #define LPC1768_PCONP_PCGPDMA 0x20000000
y_notsu 0:2c37ad282618 169 // bit 30: PCENET: Ethernet block power/clock enable
y_notsu 0:2c37ad282618 170 #define LPC1768_PCONP_PCENET 0x40000000
y_notsu 0:2c37ad282618 171 // bit 31: PCUSB: USB interface power/clock enable
y_notsu 0:2c37ad282618 172 #define LPC1768_PCONP_PCUSB 0x80000000
y_notsu 0:2c37ad282618 173
y_notsu 0:2c37ad282618 174 //Powers Up specified Peripheral(s)
y_notsu 0:2c37ad282618 175 inline unsigned int Peripheral_PowerUp(unsigned int bitMask)
y_notsu 0:2c37ad282618 176 {
y_notsu 0:2c37ad282618 177 return LPC_SC->PCONP |= bitMask;
y_notsu 0:2c37ad282618 178 }
y_notsu 0:2c37ad282618 179
y_notsu 0:2c37ad282618 180 //Powers Down specified Peripheral(s)
y_notsu 0:2c37ad282618 181 inline unsigned int Peripheral_PowerDown(unsigned int bitMask)
y_notsu 0:2c37ad282618 182 {
y_notsu 0:2c37ad282618 183 return LPC_SC->PCONP &= ~bitMask;
y_notsu 0:2c37ad282618 184 }
y_notsu 0:2c37ad282618 185
y_notsu 0:2c37ad282618 186 //returns if the peripheral is on or off
y_notsu 0:2c37ad282618 187 inline bool Peripheral_GetStatus(unsigned int peripheral)
y_notsu 0:2c37ad282618 188 {
y_notsu 0:2c37ad282618 189 return (LPC_SC->PCONP & peripheral) ? true : false;
y_notsu 0:2c37ad282618 190 }
y_notsu 0:2c37ad282618 191
y_notsu 0:2c37ad282618 192 #endif