Micah B / Mbed 2 deprecated finalV1

Version one of final code

Dependencies:   ARCH_GPRS_V2_HW Blinker GPRSInterface HTTPClient_GPRS SDFileSystem USBDevice mbed

SLEEP/ARCH_GPRS_Sleep.cpp@0:a2a4d0d432b3, 2015-04-16 (annotated)

Committer:
mbotkinl
Date:
Thu Apr 16 19:46:40 2015 +0000
Revision:
0:a2a4d0d432b3
Code from Micah and Z

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbotkinl 0:a2a4d0d432b3 1 #include "mbed.h"
mbotkinl 0:a2a4d0d432b3 2 #include "ARCH_GPRS_Sleep.h"
mbotkinl 0:a2a4d0d432b3 3 #include "ARCH_GPRS_V2_HW.h"
mbotkinl 0:a2a4d0d432b3 4
mbotkinl 0:a2a4d0d432b3 5 void Stalker3_0_sleep::gotoSleep() // goto sleep mode, untill wdt interrupt
mbotkinl 0:a2a4d0d432b3 6 {
mbotkinl 0:a2a4d0d432b3 7 LPC_PMU->PCON |= 0x01; /* ????????? */
mbotkinl 0:a2a4d0d432b3 8 LPC_SYSCON->PDSLEEPCFG |= (1UL << 3); /* ??BOD??????? */
mbotkinl 0:a2a4d0d432b3 9 SCB->SCR &= ~(1UL << 2); /* ?????? */
mbotkinl 0:a2a4d0d432b3 10 __wfi();
mbotkinl 0:a2a4d0d432b3 11 }
mbotkinl 0:a2a4d0d432b3 12
mbotkinl 0:a2a4d0d432b3 13 void Stalker3_0_sleep::wdtClkSetup(unsigned long clksrc)
mbotkinl 0:a2a4d0d432b3 14 {
mbotkinl 0:a2a4d0d432b3 15 /* Freq = 0.5Mhz, div_sel is 0x1F, divided by 64. WDT_OSC should be 7.8125khz */
mbotkinl 0:a2a4d0d432b3 16 LPC_SYSCON->WDTOSCCTRL = (0x1<<5)|0x1F;
mbotkinl 0:a2a4d0d432b3 17 LPC_SYSCON->PDRUNCFG &= ~(0x1<<6); /* Let WDT clock run */
mbotkinl 0:a2a4d0d432b3 18
mbotkinl 0:a2a4d0d432b3 19 /* Enables clock for WDT */
mbotkinl 0:a2a4d0d432b3 20 LPC_SYSCON->SYSAHBCLKCTRL |= (1<<15);
mbotkinl 0:a2a4d0d432b3 21 LPC_WWDT->CLKSEL = clksrc; /* Select clock source */
mbotkinl 0:a2a4d0d432b3 22
mbotkinl 0:a2a4d0d432b3 23 }
mbotkinl 0:a2a4d0d432b3 24
mbotkinl 0:a2a4d0d432b3 25 void Stalker3_0_sleep::wdtInit(long tc) // init wdt
mbotkinl 0:a2a4d0d432b3 26 {
mbotkinl 0:a2a4d0d432b3 27 uint32_t regVal;
mbotkinl 0:a2a4d0d432b3 28
mbotkinl 0:a2a4d0d432b3 29 LPC_WWDT->TC = tc;
mbotkinl 0:a2a4d0d432b3 30
mbotkinl 0:a2a4d0d432b3 31 regVal = WDEN;
mbotkinl 0:a2a4d0d432b3 32 LPC_WWDT->MOD = regVal;
mbotkinl 0:a2a4d0d432b3 33
mbotkinl 0:a2a4d0d432b3 34 LPC_WWDT->FEED = 0xAA; /* Feeding sequence */
mbotkinl 0:a2a4d0d432b3 35 LPC_WWDT->FEED = 0x55;
mbotkinl 0:a2a4d0d432b3 36
mbotkinl 0:a2a4d0d432b3 37 NVIC_EnableIRQ(WDT_IRQn);
mbotkinl 0:a2a4d0d432b3 38 NVIC_SetPriority(WDT_IRQn, 2);
mbotkinl 0:a2a4d0d432b3 39 return;
mbotkinl 0:a2a4d0d432b3 40
mbotkinl 0:a2a4d0d432b3 41 }
mbotkinl 0:a2a4d0d432b3 42
mbotkinl 0:a2a4d0d432b3 43 void Stalker3_0_sleep::init()
mbotkinl 0:a2a4d0d432b3 44 {
mbotkinl 0:a2a4d0d432b3 45
mbotkinl 0:a2a4d0d432b3 46 }
mbotkinl 0:a2a4d0d432b3 47
mbotkinl 0:a2a4d0d432b3 48 void Stalker3_0_sleep::sleep(long ts) // sleep for ts (s)
mbotkinl 0:a2a4d0d432b3 49 {
mbotkinl 0:a2a4d0d432b3 50
mbotkinl 0:a2a4d0d432b3 51 workMode = MODE_SLEEP;
mbotkinl 0:a2a4d0d432b3 52 wdtInit(0x2dc6c0);
mbotkinl 0:a2a4d0d432b3 53
mbotkinl 0:a2a4d0d432b3 54 for(int i=0; i<ts; i++)
mbotkinl 0:a2a4d0d432b3 55 {
mbotkinl 0:a2a4d0d432b3 56 gotoSleep();
mbotkinl 0:a2a4d0d432b3 57 }
mbotkinl 0:a2a4d0d432b3 58
mbotkinl 0:a2a4d0d432b3 59 workMode = MODE_WORKING;
mbotkinl 0:a2a4d0d432b3 60 feed();
mbotkinl 0:a2a4d0d432b3 61 }
mbotkinl 0:a2a4d0d432b3 62
mbotkinl 0:a2a4d0d432b3 63 void Stalker3_0_sleep::wakeUp() // wake up from sleep
mbotkinl 0:a2a4d0d432b3 64 {
mbotkinl 0:a2a4d0d432b3 65
mbotkinl 0:a2a4d0d432b3 66 }
mbotkinl 0:a2a4d0d432b3 67
mbotkinl 0:a2a4d0d432b3 68 void Stalker3_0_sleep::feed() // watch dog feed
mbotkinl 0:a2a4d0d432b3 69 {
mbotkinl 0:a2a4d0d432b3 70 LPC_WWDT->FEED = 0xAA; /* Feeding sequence */
mbotkinl 0:a2a4d0d432b3 71 LPC_WWDT->FEED = 0x55;
mbotkinl 0:a2a4d0d432b3 72 return;
mbotkinl 0:a2a4d0d432b3 73 }
mbotkinl 0:a2a4d0d432b3 74
mbotkinl 0:a2a4d0d432b3 75 Stalker3_0_sleep wdt_sleep;
mbotkinl 0:a2a4d0d432b3 76
mbotkinl 0:a2a4d0d432b3 77 extern "C"{
mbotkinl 0:a2a4d0d432b3 78
mbotkinl 0:a2a4d0d432b3 79 void WDT_IRQHandler(void)
mbotkinl 0:a2a4d0d432b3 80 {
mbotkinl 0:a2a4d0d432b3 81
mbotkinl 0:a2a4d0d432b3 82 if(wdt_sleep.workMode == MODE_WORKING) // WORKING MODE, AND NO FEET WDT, RESET!!!
mbotkinl 0:a2a4d0d432b3 83 {
mbotkinl 0:a2a4d0d432b3 84 NVIC_SystemReset();
mbotkinl 0:a2a4d0d432b3 85 }
mbotkinl 0:a2a4d0d432b3 86 LPC_WWDT->MOD &= ~WDTOF; /* clear the time-out flag and interrupt flag */
mbotkinl 0:a2a4d0d432b3 87 LPC_WWDT->MOD &= ~WDINT; /* clear the time-out flag and interrupt flag */
mbotkinl 0:a2a4d0d432b3 88 wdt_sleep.wdtInit(0x2dc6c0);
mbotkinl 0:a2a4d0d432b3 89 }
mbotkinl 0:a2a4d0d432b3 90 }