DS3234 Extremely Accurate SPI RTC

Driver for Maxim DS3234 Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM. More...

Detailed Description

Driver for Maxim DS3234 Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM.

Files
file	ds3234_params.h
	Default configuration for DS3234 devices.
file	ds3234_regs.h
	Register map for the DS323x driver.
file	ds3234.h
	DS3234 device driver.

Data Structures
struct	ds3234_params_t
	Parameters for the DS3234 device driver. More...

Enumerations
enum	ds3234_return_codes { DS3234_OK = 0, DS3234_NO_DEV = 1, DS3234_NO_SPI = 2 }
	Return codes for the DS3234 device driver.

Functions
int	ds3234_pps_init (const ds3234_params_t *params)
	Initialize the DS3234 RTC as a PPS device. More...

Function Documentation

ds3234_pps_init()

int ds3234_pps_init

(

const ds3234_params_t *

params

)

Initialize the DS3234 RTC as a PPS device.

This will enable square wave output on the SQW pin at 1 Hz

Parameters

params

DS3234 circuit parameters

Returns

DS3234_OK on success

DS3234_NO_SPI if cannot initiate SPI

DS3234_NO_DEV if the device is not found on the bus