On May 13, 2006, at 8:10 AM, Joachim Denil wrote: > Hello, > > Can someone tell me what the following functions should do in case > there is no RTC on the hardware board. My processor is a 405gpr. > Which of these i must implement. (maybe some code snippets...). I > think the most important one is calibrate_decr for it is necesary > to calibrate_delay function. > > Thanks... > > Joachim Denil > Student > > > long (*time_init)(void); > int (*set_rtc_time)(unsigned long nowtime); > unsigned long (*get_rtc_time)(void); > unsigned char (*rtc_read_val)(int addr); > void (*rtc_write_val)(int addr, unsigned char val); > void (*calibrate_decr)(void);
You should only need time_init if you need to poke some registers or something to get the clocks going. You are correct about calibrate_decr. All the *rtc* you dont need to bother with. - k
