sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Improve the PWM logs

Browse Source
This commit is contained in:
Young 2016-12-20 17:05:51 +08:00
parent 9d355e12d5
commit 07b70fcc20
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
arch/arm/src/tiva/tiva_pwm.c
View File

@ -487,7 +487,7 @@ static int tiva_pwm_start(FAR struct pwm_lowerhalf_s *dev,
FAR const struct pwm_info_s *info, FAR void *handle)
{
FAR struct tiva_pwm_chan_s *chan = (FAR struct tiva_pwm_chan_s *)dev;
pwmdbg("start PWM for channel %d\n", chan->channel_id);
pwminfo("start PWM for channel %d\n", chan->channel_id);
/* Save the handle */
@ -568,6 +568,9 @@ static inline int tiva_pwm_timer(FAR struct tiva_pwm_chan_s *chan,
uint16_t duty = info->duty;
uint32_t frequency = info->frequency;
pwminfo("> frequency = %d\n", frequency);
pwminfo("> duty = %d\n", duty);
/* Configure PWM countdown mode (refer to TM4C1294NC 23.4.6) */
tiva_pwm_putreg(chan, TIVA_PWMn_CTL_OFFSET, 0);
@ -590,7 +593,7 @@ static inline int tiva_pwm_timer(FAR struct tiva_pwm_chan_s *chan,
uint32_t pwm_max_freq = g_pwm_freq;
uint32_t load = (uint32_t)(g_pwm_freq / frequency);
pwminfo("channel %d: load = %u (%08x)\n", chan->channel_id, load, load);
pwminfo("> load = %u (%08x)\n", load, load);
if (load >= g_pwm_counter || load < 1)
{
@ -610,7 +613,7 @@ static inline int tiva_pwm_timer(FAR struct tiva_pwm_chan_s *chan,
uint32_t comp = (uint32_t)((1 - (float)duty / g_pwm_counter) * load);
comp = (duty == 0) ? (comp - 1) : (comp);
pwminfo("channel %d: comp = %u (%08x)\n", chan->channel_id, comp, comp);
pwminfo("> comp = %u (%08x)\n", comp, comp);
if (chan->channel_id % 2 == 0)
{
@ -777,11 +780,12 @@ FAR struct pwm_lowerhalf_s *tiva_pwm_initialize(int channel)
return NULL;
}
pwminfo("channel %d: channel_id=%d, ", channel, chan->channel_id);
pwminfo("controller_id=%d, controller_base=%08x, ",
chan->controller_id, chan->controller_base);
pwminfo("generator_id=%d, generator_base=%08x\n",
chan->generator_id, chan->generator_base);
pwminfo("channel %d:\n", channel);
pwminfo("> channel_id = %d\n", chan->channel_id);
pwminfo("> controller_id = %d\n", chan->controller_id);
pwminfo("> controller_base = %08x\n", chan->controller_base);
pwminfo("> generator_id = %d\n", chan->generator_id);
pwminfo("> generator_base = %08x\n", chan->generator_base);
/* Enable PWM controller (refer to TM4C1294NC 23.4.1) */