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Commit 57882881 authored by Henrique Silva's avatar Henrique Silva
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Comment Board ID byte array construction 

Insert comments in-line to ease future changes
parent 519632a5
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Showing with 31 additions and 21 deletions
modules/board_version.c
View file @ 57882881
......@@ -154,27 +154,36 @@ void board_discover( void )
#ifdef WRITE_ID_EEPROM
uint8_t unlock[2] = { 0x09, 0x00 };
/* Carrier type (1-byte):
* 01h: artix based (AFC)
* 02h: kintex based (AFCK)
* ....
Board version (1-byte):
* 00h: AFCv1
* 01h: AFCv2
* 02h: AFCv3
* 03h: AFCv3.1
Manufacturer Private Enterprise Numbers assigned by IANA (3-bytes big-endian)
* 00h 9Ah 65h (39525): Creotech
* .....
Manufacturing day since 1996-01-01 (2-bytes big-endian)
* 1Bh 1Ch (6940) : 2015-01-01
Checksum (1-byte) */
uint8_t ee_write[9] = { 0xF0, 0x01, 0x03, 0x00, 0x9A, 0x65, 0x1B, 0x1C, 0x00 };
uint8_t ee_write[9] = {
/* Reserved (EEPROM starting Address */
0xF0,
/* Carrier type (1-byte):
* 01h: artix based (AFC)
* 02h: kintex based (AFCK)
* .... */
0x01,
/* Board version (1-byte):
* 00h: AFCv1
* 01h: AFCv2
* 02h: AFCv3
* 03h: AFCv3.1 */
0x03,
/* Manufacturer Private Enterprise Numbers assigned by IANA (3-bytes big-endian)
* 00h 9Ah 65h (39525): Creotech
* ..... */
0x00, 0x9A, 0x65,
/* Manufacturing day since 1996-01-01 (2-bytes big-endian)
* 1Bh 1Ch (6940) : 2015-01-01 */
0x1B, 0x1C,
/* Checksum (1-byte) */
0x00 };
/* Calculate checksum */
ee_write[8] = calculate_chksum(&ee_write[1], 8);
/* Unlock protected EEPROM */
......@@ -182,6 +191,7 @@ void board_discover( void )
xI2CMasterWrite(I2C1, 0x6F, unlock, 2);
unlock[1] = 0xAA;
xI2CMasterWrite(I2C1, 0x6F, unlock, 2);
/* Write data */
xI2CMasterWrite(I2C1, 0x57, ee_write, sizeof(ee_write));
#endif
......
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