General library for the DS2485, supports the higher-level one_wire.c/.h API. More...

#include <stdint.h>
#include <stdbool.h>

Include dependency graph for DS2485.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	DS2485_I2C_7BIT_ADDRESS 0x40U
	will be shifted left one bit, then or'd with RW (R=1, W=0) bit on I2C

#define	DS2485_I2C_CLOCKRATE 1000000U
	1MHz

#define	DFC_WRITE_MEMORY 0x96;

#define	DFC_READ_MEMORY 0x44;

#define	DFC_READ_STATUS 0xAA;

#define	DFC_SET_I2C_ADDRESS 0x75;

#define	DFC_SET_PAGE_PROTECTION 0xC3;

#define	DFC_READ_ONE_WIRE_PORT_CONFIG 0x52;

#define	DFC_WRITE_ONE_WIRE_PORT_CONFIG 0x99;

#define	DFC_MASTER_RESET 0x62;

#define	DFC_ONE_WIRE_SCRIPT 0x88;

#define	DFC_ONE_WIRE_BLOCK 0xAB;

#define	DFC_ONE_WIRE_READ_BLOCK 0x50;

#define	DFC_ONE_WIRE_WRITE_BLOCK 0x68;

#define	DFC_ONE_WIRE_SEARCH 0x11;

#define	DFC_FULL_COMMAND_SEQUENCE 0x57;

#define	DFC_COMPUTE_CRC16 0xCC;

#define	RB_SUCCESS 0

#define	RB_ALREADY_PROTECTED -100

#define	RB_INVALID_PARAMETER -101

#define	RB_SET_ADDRESS_FAIL -102

#define	RB_MASTER_RESET_FAIL -103

#define	RB_COMMS_FAIL -104

#define	RB_NO_PRESENCE -105

#define	RB_NO_MATCH_WRITES -106

#define	RB_NOT_DETECTED -107

#define	RB_INCORRECT_CRC -108

#define	RB_INVALID_LENGTH -109

#define	RB_LENGTH_MISMATCH -110

#define	RB_WRITE_PROTECTED -111

#define	RB_UNKNOWN -112

#define	tOP_USEC 40

#define	tSEQ_USEC 20

#define	tRM_MSEC 50

#define	tWM_MSEC 100

#define	tWS_MSEC 15

Enumerations
enum	DS2485_memory_page_T { PAGE_0, PAGE_1, PAGE_2, PAGE_3, PAGE_4, PAGE_5 }

enum	DS2485_status_outputs_T { PAGE_PROTECTIONS, MAN_ID, DEVICE_VERSION }

enum	DS2485_page_protection_T { WRITE_PROTECTION = 0x02, NONE_PROTECTION = 0x20 }

enum	DS2485_configuration_register_address_T { MASTER_CONFIGURATION, STANDARD_SPEED_tRSTL, STANDARD_SPEED_tMSI, STANDARD_SPEED_tMSP, STANDARD_SPEED_tRSTH, STANDARD_SPEED_tW0L, STANDARD_SPEED_tW1L, STANDARD_SPEED_tMSR, STANDARD_SPEED_tREC, OVERDRIVE_SPEED_tRSTL, OVERDRIVE_SPEED_tMSI, OVERDRIVE_SPEED_tMSP, OVERDRIVE_SPEED_tRSTH, OVERDRIVE_SPEED_tW0L, OVERDRIVE_SPEED_tW1L, OVERDRIVE_SPEED_tMSR, OVERDRIVE_SPEED_tREC, RPUP_BUF, PDSLEW, RESERVED, ALL }

enum	DS2485_full_command_sequence_delays_msecs_T { ms_0, ms_2, ms_4, ms_6, ms_8, ms_10, ms_12, ms_14, ms_16, ms_18, ms_20, ms_22, ms_24, ms_26, ms_28, ms_30, ms_32, ms_34, ms_36, ms_38, ms_40, ms_42, ms_44, ms_46, ms_48, ms_50, ms_52, ms_54, ms_56, ms_58, ms_60, ms_62, ms_64, ms_66, ms_68, ms_70, ms_72, ms_74, ms_76, ms_78, ms_80, ms_82, ms_84, ms_86, ms_88, ms_90, ms_92, ms_94, ms_96, ms_98, ms_100, ms_102, ms_104, ms_106, ms_108, ms_110, ms_112, ms_114, ms_116, ms_118, ms_120, ms_122, ms_124, ms_126, ms_128, ms_130, ms_132, ms_134, ms_136, ms_138, ms_140, ms_142, ms_144, ms_146, ms_148, ms_150, ms_152, ms_154, ms_156, ms_158, ms_160, ms_162, ms_164, ms_166, ms_168, ms_170, ms_172, ms_174, ms_176, ms_178, ms_180, ms_182, ms_184, ms_186, ms_188, ms_190, ms_192, ms_194, ms_196, ms_198, ms_200, ms_202, ms_204, ms_206, ms_208, ms_210, ms_212, ms_214, ms_216, ms_218, ms_220, ms_222, ms_224, ms_226, ms_228, ms_230, ms_232, ms_234, ms_236, ms_238, ms_240, ms_242, ms_244, ms_246, ms_248, ms_250, ms_252, ms_254, ms_256, ms_258, ms_260, ms_262, ms_264, ms_266, ms_268, ms_270, ms_272, ms_274, ms_276, ms_278, ms_280, ms_282, ms_284, ms_286, ms_288, ms_290, ms_292, ms_294, ms_296, ms_298, ms_300, ms_302, ms_304, ms_306, ms_308, ms_310, ms_312, ms_314, ms_316, ms_318, ms_320, ms_322, ms_324, ms_326, ms_328, ms_330, ms_332, ms_334, ms_336, ms_338, ms_340, ms_342, ms_344, ms_346, ms_348, ms_350, ms_352, ms_354, ms_356, ms_358, ms_360, ms_362, ms_364, ms_366, ms_368, ms_370, ms_372, ms_374, ms_376, ms_378, ms_380, ms_382, ms_384, ms_386, ms_388, ms_390, ms_392, ms_394, ms_396, ms_398, ms_400, ms_402, ms_404, ms_406, ms_408, ms_410, ms_412, ms_414, ms_416, ms_418, ms_420, ms_422, ms_424, ms_426, ms_428, ms_430, ms_432, ms_434, ms_436, ms_438, ms_440, ms_442, ms_444, ms_446, ms_448, ms_450, ms_452, ms_454, ms_456, ms_458, ms_460, ms_462, ms_464, ms_466, ms_468, ms_470, ms_472, ms_474, ms_476, ms_478, ms_480, ms_482, ms_484, ms_486, ms_488, ms_490, ms_492, ms_494, ms_496, ms_498, ms_500, ms_502, ms_504, ms_506, ms_508, ms_510 }

Functions
int	DS2485_WriteMemory (DS2485_memory_page_T pgNumber, const uint8_t *pgData)

int	DS2485_ReadMemory (DS2485_memory_page_T pgNumber, uint8_t *pgData)

int	DS2485_ReadStatus (DS2485_status_outputs_T output, uint8_t *status)

int	DS2485_SetI2cAddress (uint8_t newAddress)

int	DS2485_SetPageProtection (DS2485_memory_page_T pgNumber, DS2485_page_protection_T protection)

int	DS2485_ReadOneWirePortConfig (DS2485_configuration_register_address_T reg, uint8_t *regData)

int	DS2485_WriteOneWirePortConfig (DS2485_configuration_register_address_T reg, const uint8_t *regData)

int	DS2485_MasterReset (void)

int	DS2485_OneWireScript (const uint8_t script, uint8_t script_length, double accumulativeOneWireTime, uint8_t commandsCount, uint8_t scriptResponse, uint8_t scriptResponse_length)

int	DS2485_OneWireBlock (const uint8_t blockData, int blockData_Length, uint8_t ow_data, bool ow_reset, bool ignore, bool spu, bool pe)

int	DS2485_OneWireWriteBlock (const uint8_t *writeData, int writeData_Length, bool ow_reset, bool ignore, bool spu)

int	DS2485_OneWireReadBlock (uint8_t *readData, uint8_t bytes)

int	DS2485_OneWireSearch (uint8_t romId, uint8_t code, bool ow_reset, bool ignore, bool search_rst, bool flag)

int	DS2485_FullCommandSequence (const uint8_t owData, int owData_Length, uint8_t rom_id, DS2485_full_command_sequence_delays_msecs_T ow_delay_msecs, uint8_t *ow_rslt_data, uint8_t ow_rslt_len)

int	DS2485_ComputeCrc16 (const uint8_t crcData, int crcData_Length, uint8_t crc16)

int	DS2485_ExecuteCommand (const uint8_t packet, int packetSize, int delay_uSec, uint8_t response, int responseSize)

Detailed Description

General library for the DS2485, supports the higher-level one_wire.c/.h API.

Function Documentation

◆ DS2485_ExecuteCommand()

int DS2485_ExecuteCommand	(	const uint8_t *	packet,
		int	packetSize,
		int	delay_uSec,
		uint8_t *	response,
		int	responseSize
	)

< Bit mask of options for the transfer. Set to 0 or kLPI2C_TransferDefaultFlag for normal transfers.

< The 7-bit slave address.

< Either kLPI2C_Read or kLPI2C_Write.

< Sub address. Transferred MSB first.

< Length of sub address to send in bytes. Maximum size is 4 bytes.

< Pointer to data to transfer.

< Number of bytes to transfer.