diff options
| -rw-r--r-- | src/target/dsp563xx_once.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/target/dsp563xx_once.c b/src/target/dsp563xx_once.c index d19323ee..d95dcdfd 100644 --- a/src/target/dsp563xx_once.c +++ b/src/target/dsp563xx_once.c @@ -29,6 +29,9 @@ #include "dsp563xx.h" #include "dsp563xx_once.h" +#define JTAG_STATUS_STATIC_MASK 0x03 +#define JTAG_STATUS_STATIC_VALUE 0x01 + #define JTAG_STATUS_NORMAL 0x01 #define JTAG_STATUS_STOPWAIT 0x05 #define JTAG_STATUS_BUSY 0x09 @@ -100,19 +103,16 @@ int dsp563xx_once_target_status(struct jtag_tap *tap) uint8_t jtag_status; if ((err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK) - return err; + return TARGET_UNKNOWN; if ((err = jtag_execute_queue()) != ERROR_OK) - return err; + return TARGET_UNKNOWN; - if ((jtag_status & 1) != 1) - { + /* verify correct static status pattern */ + if ( (jtag_status & JTAG_STATUS_STATIC_MASK) != JTAG_STATUS_STATIC_VALUE ) return TARGET_UNKNOWN; - } if (jtag_status != JTAG_STATUS_DEBUG) - { return TARGET_RUNNING; - } return TARGET_HALTED; } |