Why watchdog does not start up?

thoomanwang — Mon, 16 Jun 2014 10:33:12 GMT

void init_dog(void)

{

//SIM_COPC = SIM_COPC_COPT_MASK | SIM_COPC_COPW_MASK | SIM_COPC_COPCLKS_MASK;

//SIM_COPC = 0x2 | 0x0 | 0x1;

SIM_COPC = (uint32_t)((SIM_COPC & (uint32_t)~(uint32_t)(

SIM_COPC_COPT(0x01) |

SIM_COPC_COPW_MASK |

0xF0U

)) | (uint32_t)(

SIM_COPC_COPT(0x02) |

SIM_COPC_COPCLKS_MASK

));

}

I need to be 60 seconds do not feed dog system automatically resets, how should I define the watchdog timeout?

Re: Why watchdog does not start up?

mjbcswitzerland — Mon, 16 Jun 2014 19:21:26 GMT

I believe the longest watchdog time that you can set on the KL02 is 1.024s:

SIM_COPC = 0x0000000c;

Regards

Mark