NUM_RTC_REGS
uint8_t rtc_registers[NUM_RTC_REGS];
for (i = 0; i < NUM_RTC_REGS; i++)
for (i = 0; i < NUM_RTC_REGS; i++)
uint8_t rtc_registers[NUM_RTC_REGS];
for (i = 0; i < NUM_RTC_REGS; i++)