Vinicius Leite / Mbed 2 deprecated ptgm_semDMA_vini

protegemed, aquisição via A/D simples utilizando interrupção do timer

Dependencies:   EthernetInterface NTPClient mbed-rtos mbed

Fork of ptgm_semDMA by Marcelo Rebonatto

Functions/whatchdog.h@1:8129536051df, 2016-01-13 (annotated)

Committer:
viniciushl
Date:
Wed Jan 13 18:53:25 2016 +0000
Revision:
1:8129536051df
Parent:
0:fac116e94d44 
Alterada captura para aquisi??o simples do A/D utilizando interrup??o do timer;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rebonatto 0:fac116e94d44 1 // Simon's Watchdog code from
rebonatto 0:fac116e94d44 2 // http://mbed.org/forum/mbed/topic/508/
rebonatto 0:fac116e94d44 3 class Watchdog {
rebonatto 0:fac116e94d44 4 public:
rebonatto 0:fac116e94d44 5 // Load timeout value in watchdog timer and enable
rebonatto 0:fac116e94d44 6 void kick(float s) {
rebonatto 0:fac116e94d44 7 LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK
rebonatto 0:fac116e94d44 8 uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4
rebonatto 0:fac116e94d44 9 LPC_WDT->WDTC = s * (float)clk;
rebonatto 0:fac116e94d44 10 LPC_WDT->WDMOD = 0x3; // Enabled and Reset
rebonatto 0:fac116e94d44 11 kick();
rebonatto 0:fac116e94d44 12 }
rebonatto 0:fac116e94d44 13 // "kick" or "feed" the dog - reset the watchdog timer
rebonatto 0:fac116e94d44 14 // by writing this required bit pattern
rebonatto 0:fac116e94d44 15 void kick() {
rebonatto 0:fac116e94d44 16 LPC_WDT->WDFEED = 0xAA;
rebonatto 0:fac116e94d44 17 LPC_WDT->WDFEED = 0x55;
rebonatto 0:fac116e94d44 18 }
rebonatto 0:fac116e94d44 19 };