ADS124S08 Example C Code
1.0.0
Home
Files
File List
Globals
example_code
crc
crc.h
Go to the documentation of this file.
1
38
// APP NOTE: Communication Methods for Data Integrity Using Delta-Sigma Data Converters
39
// URL: https://www.ti.com/lit/an/sbaa106/sbaa106.pdf
40
41
#ifndef CRC_H_
42
#define CRC_H_
43
44
// Standard libraries
45
#include <stdbool.h>
46
#include <stdint.h>
47
48
49
//****************************************************************************
50
//
51
// Constants
52
//
53
//****************************************************************************
54
55
//
56
// Select CRC calculation mode...either lookup or calculation
57
//
58
#define CRC_LOOKUP
59
//#define CRC_CALCULATION
60
61
//
62
// Select CRC word length...
63
//
64
#define CRC8 // CRC word is 8-bits wide
65
66
#define CRCWORD uint8_t
67
68
// Initial seed value for CRC calculation
69
#define CRC_INITIAL_SEED ((CRCWORD) 0x00)
70
71
// Initial seed value for CRC calculation
72
// ADS1x4S0x device family is based on the CRC-8-ATM (HEC) polynomial: X^8 + X^2 + X + 1
73
#define CRC_POLYNOMIAL ((CRCWORD) 0x07)
74
75
76
//*****************************************************************************
77
//
78
// Function Prototypes
79
//
80
//*****************************************************************************
81
void
initCRC
(
void
);
82
CRCWORD
getCRC
(
const
uint8_t dataBytes[], uint8_t numberBytes,
CRCWORD
initialValue);
83
84
#endif
/* CRC_H_ */
getCRC
uint8_t getCRC(const uint8_t dataBytes[], uint8_t numberBytes, uint8_t initialValue)
getCRC() Performs CRC lookup or calculation
Definition:
crc.c:99
CRCWORD
#define CRCWORD
Definition:
crc.h:66
initCRC
void initCRC(void)
initCRC() Initializes CRC module and creates lookup table (if using lookup method) ...
Definition:
crc.c:71
Generated by
doxygen
1.8.11