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arch/arm/src/kinetis/kinetis_pwm.c: Appease nxstyle

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YAMAMOTO Takashi 2020-11-29 17:04:33 +09:00 committed by Xiang Xiao
parent b03e01807b
commit 5e6f7803c7
1 changed files with 34 additions and 17 deletions
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51
arch/arm/src/kinetis/kinetis_pwm.c
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@ -108,10 +108,12 @@ struct kinetis_pwmtimer_s
/* Register access */ /* Register access */
static uint32_t pwm_getreg(struct kinetis_pwmtimer_s *priv, int offset); static uint32_t pwm_getreg(struct kinetis_pwmtimer_s *priv, int offset);
static void pwm_putreg(struct kinetis_pwmtimer_s *priv, int offset, uint32_t value); static void pwm_putreg(struct kinetis_pwmtimer_s *priv, int offset,
uint32_t value);
#ifdef CONFIG_DEBUG_PWM_INFO #ifdef CONFIG_DEBUG_PWM_INFO
static void pwm_dumpregs(struct kinetis_pwmtimer_s *priv, FAR const char *msg); static void pwm_dumpregs(struct kinetis_pwmtimer_s *priv,
FAR const char *msg);
#else #else
# define pwm_dumpregs(priv,msg) # define pwm_dumpregs(priv,msg)
#endif #endif
@ -237,7 +239,8 @@ static uint32_t pwm_getreg(struct kinetis_pwmtimer_s *priv, int offset)
* *
****************************************************************************/ ****************************************************************************/
static void pwm_putreg(struct kinetis_pwmtimer_s *priv, int offset, uint32_t value) static void pwm_putreg(struct kinetis_pwmtimer_s *priv, int offset,
uint32_t value)
{ {
putreg32(value, priv->base + offset); putreg32(value, priv->base + offset);
} }
@ -257,7 +260,8 @@ static void pwm_putreg(struct kinetis_pwmtimer_s *priv, int offset, uint32_t val
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_DEBUG_PWM_INFO #ifdef CONFIG_DEBUG_PWM_INFO
static void pwm_dumpregs(struct kinetis_pwmtimer_s *priv, FAR const char *msg) static void pwm_dumpregs(struct kinetis_pwmtimer_s *priv,
FAR const char *msg)
{ {
int nchannels = (priv->tpmid == 0) ? 8 : 2; int nchannels = (priv->tpmid == 0) ? 8 : 2;
@ -368,7 +372,10 @@ static int pwm_timer(FAR struct kinetis_pwmtimer_s *priv,
uint32_t cv; uint32_t cv;
uint8_t i; uint8_t i;
static const uint8_t presc_values[8] = {1, 2, 4, 8, 16, 32, 64, 128}; static const uint8_t presc_values[8] =
{
1, 2, 4, 8, 16, 32, 64, 128
};
/* Register contents */ /* Register contents */
@ -380,8 +387,8 @@ static int pwm_timer(FAR struct kinetis_pwmtimer_s *priv,
DEBUGASSERT(info->frequency > 0 && info->duty > 0 && DEBUGASSERT(info->frequency > 0 && info->duty > 0 &&
info->duty < uitoub16(100)); info->duty < uitoub16(100));
/* Calculate optimal values for the timer prescaler and for the timer modulo /* Calculate optimal values for the timer prescaler and for the timer
* register. If' frequency' is the desired frequency, then * modulo register. If' frequency' is the desired frequency, then
* *
* modulo = tpmclk / frequency * modulo = tpmclk / frequency
* tpmclk = pclk / presc * tpmclk = pclk / presc
@ -444,7 +451,8 @@ static int pwm_timer(FAR struct kinetis_pwmtimer_s *priv,
cv = b16toi(info->duty * modulo + b16HALF); cv = b16toi(info->duty * modulo + b16HALF);
pwminfo("FTM%d PCLK: %d frequency: %d FTMCLK: %d prescaler: %d modulo: %d c0v: %d\n", pwminfo("FTM%d PCLK: %d frequency: %d FTMCLK: %d "
"prescaler: %d modulo: %d c0v: %d\n",
priv->tpmid, priv->pclk, info->frequency, tpmclk, priv->tpmid, priv->pclk, info->frequency, tpmclk,
presc_values[prescaler], modulo, cv); presc_values[prescaler], modulo, cv);
@ -463,55 +471,63 @@ static int pwm_timer(FAR struct kinetis_pwmtimer_s *priv,
{ {
case 0: /* PWM Mode configuration: Channel 0 */ case 0: /* PWM Mode configuration: Channel 0 */
{ {
pwm_putreg(priv, KINETIS_FTM_C0SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C0SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C0V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C0V_OFFSET, (uint16_t) cv);
} }
break; break;
case 1: /* PWM Mode configuration: Channel 1 */ case 1: /* PWM Mode configuration: Channel 1 */
{ {
pwm_putreg(priv, KINETIS_FTM_C1SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C1SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C1V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C1V_OFFSET, (uint16_t) cv);
} }
break; break;
case 2: /* PWM Mode configuration: Channel 2 */ case 2: /* PWM Mode configuration: Channel 2 */
{ {
pwm_putreg(priv, KINETIS_FTM_C2SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C2SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C2V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C2V_OFFSET, (uint16_t) cv);
} }
break; break;
case 3: /* PWM Mode configuration: Channel 3 */ case 3: /* PWM Mode configuration: Channel 3 */
{ {
pwm_putreg(priv, KINETIS_FTM_C3SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C3SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C3V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C3V_OFFSET, (uint16_t) cv);
} }
break; break;
case 4: /* PWM Mode configuration: Channel 4 */ case 4: /* PWM Mode configuration: Channel 4 */
{ {
pwm_putreg(priv, KINETIS_FTM_C4SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C4SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C4V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C4V_OFFSET, (uint16_t) cv);
} }
break; break;
case 5: /* PWM Mode configuration: Channel 5 */ case 5: /* PWM Mode configuration: Channel 5 */
{ {
pwm_putreg(priv, KINETIS_FTM_C5SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C5SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C5V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C5V_OFFSET, (uint16_t) cv);
} }
break; break;
case 6: /* PWM Mode configuration: Channel 6 */ case 6: /* PWM Mode configuration: Channel 6 */
{ {
pwm_putreg(priv, KINETIS_FTM_C6SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C6SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C6V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C6V_OFFSET, (uint16_t) cv);
} }
break; break;
case 7: /* PWM Mode configuration: Channel 7 */ case 7: /* PWM Mode configuration: Channel 7 */
{ {
pwm_putreg(priv, KINETIS_FTM_C7SC_OFFSET, FTM_CSC_MSB | FTM_CSC_ELSB); pwm_putreg(priv, KINETIS_FTM_C7SC_OFFSET,
FTM_CSC_MSB | FTM_CSC_ELSB);
pwm_putreg(priv, KINETIS_FTM_C7V_OFFSET, (uint16_t) cv); pwm_putreg(priv, KINETIS_FTM_C7V_OFFSET, (uint16_t) cv);
} }
break; break;
@ -738,7 +754,8 @@ static int pwm_stop(FAR struct pwm_lowerhalf_s *dev)
* *
****************************************************************************/ ****************************************************************************/
static int pwm_ioctl(FAR struct pwm_lowerhalf_s *dev, int cmd, unsigned long arg) static int pwm_ioctl(FAR struct pwm_lowerhalf_s *dev, int cmd,
unsigned long arg)
{ {
#ifdef CONFIG_DEBUG_PWM_INFO #ifdef CONFIG_DEBUG_PWM_INFO
FAR struct kinetis_pwmtimer_s *priv = (FAR struct kinetis_pwmtimer_s *)dev; FAR struct kinetis_pwmtimer_s *priv = (FAR struct kinetis_pwmtimer_s *)dev;