hs loovee
/
ARCH_GPRS_Demo
seeedstudio ARCH GPRS Demo. post data to yeelink.
SLEEP/ARCH_GPRS_Sleep.cpp@0:6d297fe482af, 2013-08-23 (annotated)
- Committer:
- loovee
- Date:
- Fri Aug 23 02:31:06 2013 +0000
- Revision:
- 0:6d297fe482af
seeedstudio Arch Gprs Demo. ; ; post data to yeelink.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
loovee | 0:6d297fe482af | 1 | #include "mbed.h" |
loovee | 0:6d297fe482af | 2 | #include "ARCH_GPRS_Sleep.h" |
loovee | 0:6d297fe482af | 3 | #include "ARCH_GPRS_HW.h" |
loovee | 0:6d297fe482af | 4 | |
loovee | 0:6d297fe482af | 5 | void Stalker3_0_sleep::gotoSleep() // goto sleep mode, untill wdt interrupt |
loovee | 0:6d297fe482af | 6 | { |
loovee | 0:6d297fe482af | 7 | LPC_PMU->PCON |= 0x01; /* ????????? */ |
loovee | 0:6d297fe482af | 8 | LPC_SYSCON->PDSLEEPCFG |= (1UL << 3); /* ??BOD??????? */ |
loovee | 0:6d297fe482af | 9 | SCB->SCR &= ~(1UL << 2); /* ?????? */ |
loovee | 0:6d297fe482af | 10 | __wfi(); |
loovee | 0:6d297fe482af | 11 | } |
loovee | 0:6d297fe482af | 12 | |
loovee | 0:6d297fe482af | 13 | void Stalker3_0_sleep::wdtClkSetup(unsigned long clksrc) |
loovee | 0:6d297fe482af | 14 | { |
loovee | 0:6d297fe482af | 15 | /* Freq = 0.5Mhz, div_sel is 0x1F, divided by 64. WDT_OSC should be 7.8125khz */ |
loovee | 0:6d297fe482af | 16 | LPC_SYSCON->WDTOSCCTRL = (0x1<<5)|0x1F; |
loovee | 0:6d297fe482af | 17 | LPC_SYSCON->PDRUNCFG &= ~(0x1<<6); /* Let WDT clock run */ |
loovee | 0:6d297fe482af | 18 | |
loovee | 0:6d297fe482af | 19 | /* Enables clock for WDT */ |
loovee | 0:6d297fe482af | 20 | LPC_SYSCON->SYSAHBCLKCTRL |= (1<<15); |
loovee | 0:6d297fe482af | 21 | LPC_WWDT->CLKSEL = clksrc; /* Select clock source */ |
loovee | 0:6d297fe482af | 22 | |
loovee | 0:6d297fe482af | 23 | } |
loovee | 0:6d297fe482af | 24 | |
loovee | 0:6d297fe482af | 25 | void Stalker3_0_sleep::wdtInit(long tc) // init wdt |
loovee | 0:6d297fe482af | 26 | { |
loovee | 0:6d297fe482af | 27 | uint32_t regVal; |
loovee | 0:6d297fe482af | 28 | |
loovee | 0:6d297fe482af | 29 | LPC_WWDT->TC = tc; |
loovee | 0:6d297fe482af | 30 | |
loovee | 0:6d297fe482af | 31 | regVal = WDEN; |
loovee | 0:6d297fe482af | 32 | LPC_WWDT->MOD = regVal; |
loovee | 0:6d297fe482af | 33 | |
loovee | 0:6d297fe482af | 34 | LPC_WWDT->FEED = 0xAA; /* Feeding sequence */ |
loovee | 0:6d297fe482af | 35 | LPC_WWDT->FEED = 0x55; |
loovee | 0:6d297fe482af | 36 | |
loovee | 0:6d297fe482af | 37 | NVIC_EnableIRQ(WDT_IRQn); |
loovee | 0:6d297fe482af | 38 | NVIC_SetPriority(WDT_IRQn, 2); |
loovee | 0:6d297fe482af | 39 | return; |
loovee | 0:6d297fe482af | 40 | |
loovee | 0:6d297fe482af | 41 | } |
loovee | 0:6d297fe482af | 42 | |
loovee | 0:6d297fe482af | 43 | void Stalker3_0_sleep::init() |
loovee | 0:6d297fe482af | 44 | { |
loovee | 0:6d297fe482af | 45 | |
loovee | 0:6d297fe482af | 46 | } |
loovee | 0:6d297fe482af | 47 | |
loovee | 0:6d297fe482af | 48 | void Stalker3_0_sleep::sleep(long ts) // sleep for ts (s) |
loovee | 0:6d297fe482af | 49 | { |
loovee | 0:6d297fe482af | 50 | |
loovee | 0:6d297fe482af | 51 | workMode = MODE_SLEEP; |
loovee | 0:6d297fe482af | 52 | wdtInit(0x2dc6c0); |
loovee | 0:6d297fe482af | 53 | |
loovee | 0:6d297fe482af | 54 | for(int i=0; i<ts; i++) |
loovee | 0:6d297fe482af | 55 | { |
loovee | 0:6d297fe482af | 56 | gotoSleep(); |
loovee | 0:6d297fe482af | 57 | } |
loovee | 0:6d297fe482af | 58 | |
loovee | 0:6d297fe482af | 59 | workMode = MODE_WORKING; |
loovee | 0:6d297fe482af | 60 | feed(); |
loovee | 0:6d297fe482af | 61 | } |
loovee | 0:6d297fe482af | 62 | |
loovee | 0:6d297fe482af | 63 | void Stalker3_0_sleep::wakeUp() // wake up from sleep |
loovee | 0:6d297fe482af | 64 | { |
loovee | 0:6d297fe482af | 65 | |
loovee | 0:6d297fe482af | 66 | } |
loovee | 0:6d297fe482af | 67 | |
loovee | 0:6d297fe482af | 68 | void Stalker3_0_sleep::feed() // watch dog feed |
loovee | 0:6d297fe482af | 69 | { |
loovee | 0:6d297fe482af | 70 | LPC_WWDT->FEED = 0xAA; /* Feeding sequence */ |
loovee | 0:6d297fe482af | 71 | LPC_WWDT->FEED = 0x55; |
loovee | 0:6d297fe482af | 72 | return; |
loovee | 0:6d297fe482af | 73 | } |
loovee | 0:6d297fe482af | 74 | |
loovee | 0:6d297fe482af | 75 | Stalker3_0_sleep wdt_sleep; |
loovee | 0:6d297fe482af | 76 | |
loovee | 0:6d297fe482af | 77 | extern "C"{ |
loovee | 0:6d297fe482af | 78 | |
loovee | 0:6d297fe482af | 79 | void WDT_IRQHandler(void) |
loovee | 0:6d297fe482af | 80 | { |
loovee | 0:6d297fe482af | 81 | |
loovee | 0:6d297fe482af | 82 | if(wdt_sleep.workMode == MODE_WORKING) // WORKING MODE, AND NO FEET WDT, RESET!!! |
loovee | 0:6d297fe482af | 83 | { |
loovee | 0:6d297fe482af | 84 | NVIC_SystemReset(); |
loovee | 0:6d297fe482af | 85 | } |
loovee | 0:6d297fe482af | 86 | LPC_WWDT->MOD &= ~WDTOF; /* clear the time-out flag and interrupt flag */ |
loovee | 0:6d297fe482af | 87 | LPC_WWDT->MOD &= ~WDINT; /* clear the time-out flag and interrupt flag */ |
loovee | 0:6d297fe482af | 88 | wdt_sleep.wdtInit(0x2dc6c0); |
loovee | 0:6d297fe482af | 89 | } |
loovee | 0:6d297fe482af | 90 | } |