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fet: always reset on startup with olimex driver. 

The latest v2 MSP430-JTAG-TINY devices need a reset to be issued on
startup.
This commit is contained in:
Daniel Beer 2012-02-24 10:41:57 +13:00
parent 7bf79f4508
commit d621ad7050
1 changed files with 5 additions and 2 deletions
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7
drivers/fet.c
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@ -51,6 +51,9 @@
/* The new identify method should always be used */ /* The new identify method should always be used */
#define FET_PROTO_IDENTIFY_NEW 0x08 #define FET_PROTO_IDENTIFY_NEW 0x08
/* A reset on startup should always be performed */
#define FET_PROTO_FORCE_RESET 0x10
#define MAX_PARAMS 16 #define MAX_PARAMS 16
#define MAX_BLOCK_SIZE 4096 #define MAX_BLOCK_SIZE 4096
@ -1025,7 +1028,7 @@ static device_t fet_open(const struct device_args *args,
dev->transport = transport; dev->transport = transport;
dev->flags = flags; dev->flags = flags;
if (try_open(dev, args, 0) < 0) { if (try_open(dev, args, flags & FET_PROTO_FORCE_RESET) < 0) {
usleep(500000); usleep(500000);
printc("Trying again...\n"); printc("Trying again...\n");
if (try_open(dev, args, 1) < 0) if (try_open(dev, args, 1) < 0)
@ -1090,7 +1093,7 @@ static device_t fet_open_olimex(const struct device_args *args)
return NULL; return NULL;
return fet_open(args, FET_PROTO_NOLEAD_SEND | FET_PROTO_EXTRA_RECV | return fet_open(args, FET_PROTO_NOLEAD_SEND | FET_PROTO_EXTRA_RECV |
FET_PROTO_IDENTIFY_NEW, FET_PROTO_IDENTIFY_NEW | FET_PROTO_FORCE_RESET,
trans, &device_olimex); trans, &device_olimex);
} }