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Dependencies:   mbed mbed-rtos PinDetect

PowerControl/PowerControl.h@0:0ca943ce4014, 2020-04-27 (annotated)

Committer:
rpavoor3
Date:
Mon Apr 27 23:18:38 2020 +0000
Revision:
0:0ca943ce4014
4180 Your Fitness Buddy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rpavoor3 0:0ca943ce4014 1 /* mbed PowerControl Library
rpavoor3 0:0ca943ce4014 2 * Copyright (c) 2010 Michael Wei
rpavoor3 0:0ca943ce4014 3 */
rpavoor3 0:0ca943ce4014 4
rpavoor3 0:0ca943ce4014 5 #ifndef MBED_POWERCONTROL_H
rpavoor3 0:0ca943ce4014 6 #define MBED_POWERCONTROL_H
rpavoor3 0:0ca943ce4014 7
rpavoor3 0:0ca943ce4014 8 //shouldn't have to include, but fixes weird problems with defines
rpavoor3 0:0ca943ce4014 9 //#include "LPC1768/LPC17xx.h"
rpavoor3 0:0ca943ce4014 10 //System Control Register
rpavoor3 0:0ca943ce4014 11 // bit 0: Reserved
rpavoor3 0:0ca943ce4014 12 // bit 1: Sleep on Exit
rpavoor3 0:0ca943ce4014 13 #define LPC1768_SCR_SLEEPONEXIT 0x2
rpavoor3 0:0ca943ce4014 14 // bit 2: Deep Sleep
rpavoor3 0:0ca943ce4014 15 #define LPC1768_SCR_SLEEPDEEP 0x4
rpavoor3 0:0ca943ce4014 16 // bit 3: Resereved
rpavoor3 0:0ca943ce4014 17 // bit 4: Send on Pending
rpavoor3 0:0ca943ce4014 18 #define LPC1768_SCR_SEVONPEND 0x10
rpavoor3 0:0ca943ce4014 19 // bit 5-31: Reserved
rpavoor3 0:0ca943ce4014 20
rpavoor3 0:0ca943ce4014 21 //Power Control Register
rpavoor3 0:0ca943ce4014 22 // bit 0: Power mode control bit 0 (power-down mode)
rpavoor3 0:0ca943ce4014 23 #define LPC1768_PCON_PM0 0x1
rpavoor3 0:0ca943ce4014 24 // bit 1: Power mode control bit 1 (deep power-down mode)
rpavoor3 0:0ca943ce4014 25 #define LPC1768_PCON_PM1 0x2
rpavoor3 0:0ca943ce4014 26 // bit 2: Brown-out reduced power mode
rpavoor3 0:0ca943ce4014 27 #define LPC1768_PCON_BODRPM 0x4
rpavoor3 0:0ca943ce4014 28 // bit 3: Brown-out global disable
rpavoor3 0:0ca943ce4014 29 #define LPC1768_PCON_BOGD 0x8
rpavoor3 0:0ca943ce4014 30 // bit 4: Brown-out reset disable
rpavoor3 0:0ca943ce4014 31 #define LPC1768_PCON_BORD 0x10
rpavoor3 0:0ca943ce4014 32 // bit 5-7 : Reserved
rpavoor3 0:0ca943ce4014 33 // bit 8: Sleep Mode Entry Flag
rpavoor3 0:0ca943ce4014 34 #define LPC1768_PCON_SMFLAG 0x100
rpavoor3 0:0ca943ce4014 35 // bit 9: Deep Sleep Entry Flag
rpavoor3 0:0ca943ce4014 36 #define LPC1768_PCON_DSFLAG 0x200
rpavoor3 0:0ca943ce4014 37 // bit 10: Power Down Entry Flag
rpavoor3 0:0ca943ce4014 38 #define LPC1768_PCON_PDFLAG 0x400
rpavoor3 0:0ca943ce4014 39 // bit 11: Deep Power Down Entry Flag
rpavoor3 0:0ca943ce4014 40 #define LPC1768_PCON_DPDFLAG 0x800
rpavoor3 0:0ca943ce4014 41 // bit 12-31: Reserved
rpavoor3 0:0ca943ce4014 42
rpavoor3 0:0ca943ce4014 43 //"Sleep Mode" (WFI).
rpavoor3 0:0ca943ce4014 44 inline void Sleep(void)
rpavoor3 0:0ca943ce4014 45 {
rpavoor3 0:0ca943ce4014 46 __WFI();
rpavoor3 0:0ca943ce4014 47 }
rpavoor3 0:0ca943ce4014 48
rpavoor3 0:0ca943ce4014 49 //"Deep Sleep" Mode
rpavoor3 0:0ca943ce4014 50 inline void DeepSleep(void)
rpavoor3 0:0ca943ce4014 51 {
rpavoor3 0:0ca943ce4014 52 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
rpavoor3 0:0ca943ce4014 53 __WFI();
rpavoor3 0:0ca943ce4014 54 }
rpavoor3 0:0ca943ce4014 55
rpavoor3 0:0ca943ce4014 56 //"Power-Down" Mode
rpavoor3 0:0ca943ce4014 57 inline void PowerDown(void)
rpavoor3 0:0ca943ce4014 58 {
rpavoor3 0:0ca943ce4014 59 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
rpavoor3 0:0ca943ce4014 60 LPC_SC->PCON &= ~LPC1768_PCON_PM1;
rpavoor3 0:0ca943ce4014 61 LPC_SC->PCON |= LPC1768_PCON_PM0;
rpavoor3 0:0ca943ce4014 62 __WFI();
rpavoor3 0:0ca943ce4014 63 //reset back to normal
rpavoor3 0:0ca943ce4014 64 LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0);
rpavoor3 0:0ca943ce4014 65 }
rpavoor3 0:0ca943ce4014 66
rpavoor3 0:0ca943ce4014 67 //"Deep Power-Down" Mode
rpavoor3 0:0ca943ce4014 68 inline void DeepPowerDown(void)
rpavoor3 0:0ca943ce4014 69 {
rpavoor3 0:0ca943ce4014 70 SCB->SCR |= LPC1768_SCR_SLEEPDEEP;
rpavoor3 0:0ca943ce4014 71 LPC_SC->PCON |= LPC1768_PCON_PM1 | LPC1768_PCON_PM0;
rpavoor3 0:0ca943ce4014 72 __WFI();
rpavoor3 0:0ca943ce4014 73 //reset back to normal
rpavoor3 0:0ca943ce4014 74 LPC_SC->PCON &= ~(LPC1768_PCON_PM1 | LPC1768_PCON_PM0);
rpavoor3 0:0ca943ce4014 75 }
rpavoor3 0:0ca943ce4014 76
rpavoor3 0:0ca943ce4014 77 //shut down BOD during power-down/deep sleep
rpavoor3 0:0ca943ce4014 78 inline void BrownOut_ReducedPowerMode_Enable(void)
rpavoor3 0:0ca943ce4014 79 {
rpavoor3 0:0ca943ce4014 80 LPC_SC->PCON |= LPC1768_PCON_BODRPM;
rpavoor3 0:0ca943ce4014 81 }
rpavoor3 0:0ca943ce4014 82
rpavoor3 0:0ca943ce4014 83 //turn on BOD during power-down/deep sleep
rpavoor3 0:0ca943ce4014 84 inline void BrownOut_ReducedPowerMode_Disable(void)
rpavoor3 0:0ca943ce4014 85 {
rpavoor3 0:0ca943ce4014 86 LPC_SC->PCON &= ~LPC1768_PCON_BODRPM;
rpavoor3 0:0ca943ce4014 87 }
rpavoor3 0:0ca943ce4014 88
rpavoor3 0:0ca943ce4014 89 //turn off brown out circutry
rpavoor3 0:0ca943ce4014 90 inline void BrownOut_Global_Disable(void)
rpavoor3 0:0ca943ce4014 91 {
rpavoor3 0:0ca943ce4014 92 LPC_SC->PCON |= LPC1768_PCON_BOGD;
rpavoor3 0:0ca943ce4014 93 }
rpavoor3 0:0ca943ce4014 94
rpavoor3 0:0ca943ce4014 95 //turn on brown out circutry
rpavoor3 0:0ca943ce4014 96 inline void BrownOut_Global_Enable(void)
rpavoor3 0:0ca943ce4014 97 {
rpavoor3 0:0ca943ce4014 98 LPC_SC->PCON &= !LPC1768_PCON_BOGD;
rpavoor3 0:0ca943ce4014 99 }
rpavoor3 0:0ca943ce4014 100
rpavoor3 0:0ca943ce4014 101 //turn off brown out reset circutry
rpavoor3 0:0ca943ce4014 102 inline void BrownOut_Reset_Disable(void)
rpavoor3 0:0ca943ce4014 103 {
rpavoor3 0:0ca943ce4014 104 LPC_SC->PCON |= LPC1768_PCON_BORD;
rpavoor3 0:0ca943ce4014 105 }
rpavoor3 0:0ca943ce4014 106
rpavoor3 0:0ca943ce4014 107 //turn on brown outreset circutry
rpavoor3 0:0ca943ce4014 108 inline void BrownOut_Reset_Enable(void)
rpavoor3 0:0ca943ce4014 109 {
rpavoor3 0:0ca943ce4014 110 LPC_SC->PCON &= ~LPC1768_PCON_BORD;
rpavoor3 0:0ca943ce4014 111 }
rpavoor3 0:0ca943ce4014 112 //Peripheral Control Register
rpavoor3 0:0ca943ce4014 113 // bit 0: Reserved
rpavoor3 0:0ca943ce4014 114 // bit 1: PCTIM0: Timer/Counter 0 power/clock enable
rpavoor3 0:0ca943ce4014 115 #define LPC1768_PCONP_PCTIM0 0x2
rpavoor3 0:0ca943ce4014 116 // bit 2: PCTIM1: Timer/Counter 1 power/clock enable
rpavoor3 0:0ca943ce4014 117 #define LPC1768_PCONP_PCTIM1 0x4
rpavoor3 0:0ca943ce4014 118 // bit 3: PCUART0: UART 0 power/clock enable
rpavoor3 0:0ca943ce4014 119 #define LPC1768_PCONP_PCUART0 0x8
rpavoor3 0:0ca943ce4014 120 // bit 4: PCUART1: UART 1 power/clock enable
rpavoor3 0:0ca943ce4014 121 #define LPC1768_PCONP_PCUART1 0x10
rpavoor3 0:0ca943ce4014 122 // bit 5: Reserved
rpavoor3 0:0ca943ce4014 123 // bit 6: PCPWM1: PWM 1 power/clock enable
rpavoor3 0:0ca943ce4014 124 #define LPC1768_PCONP_PCPWM1 0x40
rpavoor3 0:0ca943ce4014 125 // bit 7: PCI2C0: I2C interface 0 power/clock enable
rpavoor3 0:0ca943ce4014 126 #define LPC1768_PCONP_PCI2C0 0x80
rpavoor3 0:0ca943ce4014 127 // bit 8: PCSPI: SPI interface power/clock enable
rpavoor3 0:0ca943ce4014 128 #define LPC1768_PCONP_PCSPI 0x100
rpavoor3 0:0ca943ce4014 129 // bit 9: PCRTC: RTC power/clock enable
rpavoor3 0:0ca943ce4014 130 #define LPC1768_PCONP_PCRTC 0x200
rpavoor3 0:0ca943ce4014 131 // bit 10: PCSSP1: SSP interface 1 power/clock enable
rpavoor3 0:0ca943ce4014 132 #define LPC1768_PCONP_PCSSP1 0x400
rpavoor3 0:0ca943ce4014 133 // bit 11: Reserved
rpavoor3 0:0ca943ce4014 134 // bit 12: PCADC: A/D converter power/clock enable
rpavoor3 0:0ca943ce4014 135 #define LPC1768_PCONP_PCADC 0x1000
rpavoor3 0:0ca943ce4014 136 // bit 13: PCCAN1: CAN controller 1 power/clock enable
rpavoor3 0:0ca943ce4014 137 #define LPC1768_PCONP_PCCAN1 0x2000
rpavoor3 0:0ca943ce4014 138 // bit 14: PCCAN2: CAN controller 2 power/clock enable
rpavoor3 0:0ca943ce4014 139 #define LPC1768_PCONP_PCCAN2 0x4000
rpavoor3 0:0ca943ce4014 140 // bit 15: PCGPIO: GPIOs power/clock enable
rpavoor3 0:0ca943ce4014 141 #define LPC1768_PCONP_PCGPIO 0x8000
rpavoor3 0:0ca943ce4014 142 // bit 16: PCRIT: Repetitive interrupt timer power/clock enable
rpavoor3 0:0ca943ce4014 143 #define LPC1768_PCONP_PCRIT 0x10000
rpavoor3 0:0ca943ce4014 144 // bit 17: PCMCPWM: Motor control PWM power/clock enable
rpavoor3 0:0ca943ce4014 145 #define LPC1768_PCONP_PCMCPWM 0x20000
rpavoor3 0:0ca943ce4014 146 // bit 18: PCQEI: Quadrature encoder interface power/clock enable
rpavoor3 0:0ca943ce4014 147 #define LPC1768_PCONP_PCQEI 0x40000
rpavoor3 0:0ca943ce4014 148 // bit 19: PCI2C1: I2C interface 1 power/clock enable
rpavoor3 0:0ca943ce4014 149 #define LPC1768_PCONP_PCI2C1 0x80000
rpavoor3 0:0ca943ce4014 150 // bit 20: Reserved
rpavoor3 0:0ca943ce4014 151 // bit 21: PCSSP0: SSP interface 0 power/clock enable
rpavoor3 0:0ca943ce4014 152 #define LPC1768_PCONP_PCSSP0 0x200000
rpavoor3 0:0ca943ce4014 153 // bit 22: PCTIM2: Timer 2 power/clock enable
rpavoor3 0:0ca943ce4014 154 #define LPC1768_PCONP_PCTIM2 0x400000
rpavoor3 0:0ca943ce4014 155 // bit 23: PCTIM3: Timer 3 power/clock enable
rpavoor3 0:0ca943ce4014 156 #define LPC1768_PCONP_PCQTIM3 0x800000
rpavoor3 0:0ca943ce4014 157 // bit 24: PCUART2: UART 2 power/clock enable
rpavoor3 0:0ca943ce4014 158 #define LPC1768_PCONP_PCUART2 0x1000000
rpavoor3 0:0ca943ce4014 159 // bit 25: PCUART3: UART 3 power/clock enable
rpavoor3 0:0ca943ce4014 160 #define LPC1768_PCONP_PCUART3 0x2000000
rpavoor3 0:0ca943ce4014 161 // bit 26: PCI2C2: I2C interface 2 power/clock enable
rpavoor3 0:0ca943ce4014 162 #define LPC1768_PCONP_PCI2C2 0x4000000
rpavoor3 0:0ca943ce4014 163 // bit 27: PCI2S: I2S interface power/clock enable
rpavoor3 0:0ca943ce4014 164 #define LPC1768_PCONP_PCI2S 0x8000000
rpavoor3 0:0ca943ce4014 165 // bit 28: Reserved
rpavoor3 0:0ca943ce4014 166 // bit 29: PCGPDMA: GP DMA function power/clock enable
rpavoor3 0:0ca943ce4014 167 #define LPC1768_PCONP_PCGPDMA 0x20000000
rpavoor3 0:0ca943ce4014 168 // bit 30: PCENET: Ethernet block power/clock enable
rpavoor3 0:0ca943ce4014 169 #define LPC1768_PCONP_PCENET 0x40000000
rpavoor3 0:0ca943ce4014 170 // bit 31: PCUSB: USB interface power/clock enable
rpavoor3 0:0ca943ce4014 171 #define LPC1768_PCONP_PCUSB 0x80000000
rpavoor3 0:0ca943ce4014 172
rpavoor3 0:0ca943ce4014 173 //Powers Up specified Peripheral(s)
rpavoor3 0:0ca943ce4014 174 inline unsigned int Peripheral_PowerUp(unsigned int bitMask)
rpavoor3 0:0ca943ce4014 175 {
rpavoor3 0:0ca943ce4014 176 return LPC_SC->PCONP |= bitMask;
rpavoor3 0:0ca943ce4014 177 }
rpavoor3 0:0ca943ce4014 178
rpavoor3 0:0ca943ce4014 179 //Powers Down specified Peripheral(s)
rpavoor3 0:0ca943ce4014 180 inline unsigned int Peripheral_PowerDown(unsigned int bitMask)
rpavoor3 0:0ca943ce4014 181 {
rpavoor3 0:0ca943ce4014 182 return LPC_SC->PCONP &= ~bitMask;
rpavoor3 0:0ca943ce4014 183 }
rpavoor3 0:0ca943ce4014 184
rpavoor3 0:0ca943ce4014 185 //returns if the peripheral is on or off
rpavoor3 0:0ca943ce4014 186 inline bool Peripheral_GetStatus(unsigned int peripheral)
rpavoor3 0:0ca943ce4014 187 {
rpavoor3 0:0ca943ce4014 188 return (LPC_SC->PCONP & peripheral) ? true : false;
rpavoor3 0:0ca943ce4014 189 }
rpavoor3 0:0ca943ce4014 190
rpavoor3 0:0ca943ce4014 191 #endif