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enc28j60: Print revision during initialization 

This is useful as debug information since the revisions of this device
have notable differences.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
This commit is contained in:
Benoît Thébaudeau 2015-07-14 18:54:45 +02:00
parent ba6a0bc381
commit b21da96e67
1 changed files with 21 additions and 0 deletions
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21
dev/enc28j60/enc28j60.c
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@ -114,6 +114,7 @@
#define MAADR5 0x00 /* MAADR<15:8> */
#define MAADR6 0x01 /* MAADR<7:0> */
#define MISTAT 0x0a
#define EREVID 0x12
#define EPKTCNT_BANK 0x01
#define ERXFCON 0x18
@ -233,6 +234,24 @@ softreset(void)
bank = ERXTX_BANK;
}
/*---------------------------------------------------------------------------*/
#if DEBUG
static uint8_t
readrev(void)
{
uint8_t rev;
setregbank(MAADRX_BANK);
rev = readreg(EREVID);
switch(rev) {
case 2:
return 1;
case 6:
return 7;
default:
return rev;
}
}
#endif
/*---------------------------------------------------------------------------*/
static void
reset(void)
{
@ -464,6 +483,8 @@ enc28j60_init(uint8_t *mac_addr)
reset();
PRINTF("ENC28J60 rev. B%d\n", readrev());
initialized = 1;
}
/*---------------------------------------------------------------------------*/