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A couple of minor tracing fixes; print the state names in the trace dump, and set the timestamp for each entry (not really a useful number yet…)

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This commit is contained in:
px4dev 2013-01-09 21:41:51 -08:00
parent dadd5d01f9
commit bd543fd7fc
1 changed files with 21 additions and 4 deletions
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25
nuttx/arch/arm/src/stm32/stm32_i2c.c
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@ -185,6 +185,22 @@ enum stm32_trace_e
I2CEVENT_ERROR /* Error occurred, param = 0 */
};
#ifdef CONFIG_I2C_TRACE
static const char *stm32_trace_names[] = {
"NONE ",
"SENDADDR ",
"SENDBYTE ",
"ITBUFEN ",
"RCVBYTE ",
"REITBUFEN ",
"DISITBUFEN",
"BTFNOSTART",
"BTFRESTART",
"BTFSTOP ",
"ERROR "
};
#endif
/* Trace data */
struct stm32_trace_s
@ -847,6 +863,7 @@ static void stm32_i2c_traceevent(FAR struct stm32_i2c_priv_s *priv,
trace->event = event;
trace->parm = parm;
trace->time = clock_systimer();
/* Bump up the trace index (unless we are out of trace entries) */
@ -870,8 +887,8 @@ static void stm32_i2c_tracedump(FAR struct stm32_i2c_priv_s *priv)
for (i = 0; i <= priv->tndx; i++)
{
trace = &priv->trace[i];
lib_rawprintf("%2d. STATUS: %08x COUNT: %3d EVENT: %2d PARM: %08x TIME: %d\n",
i+1, trace->status, trace->count, trace->event, trace->parm,
lib_rawprintf("%2d. STATUS: %08x COUNT: %3d EVENT: %s PARM: %08x TIME: %d\n",
i+1, trace->status, trace->count, stm32_trace_names[trace->event], trace->parm,
trace->time - priv->start_time);
}
}
@ -1613,8 +1630,8 @@ static int stm32_i2c_process(FAR struct i2c_dev_s *dev, FAR struct i2c_msg_s *ms
status = stm32_i2c_getstatus(priv);
errval = ETIMEDOUT;
i2cdbg("Timed out: CR1: %04x status: %08x\n",
stm32_i2c_getreg(priv, STM32_I2C_CR1_OFFSET), status);
i2cdbg("Timed out: CR1: %04x status: %08x after %d\n",
stm32_i2c_getreg(priv, STM32_I2C_CR1_OFFSET), status, timeout_us);
/* "Note: When the STOP, START or PEC bit is set, the software must
* not perform any write access to I2C_CR1 before this bit is