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Merged in raiden00/nuttx_pe (pull request #822)

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Improvements for STM32 PWM

arch/arm/src/stm32/stm32_pwm: fix polarity and IDLE state configuration for advanced timer PWM

include/dsp.h: raise error if math.h not present

Approved-by: GregoryN <gnutt@nuttx.org>
This commit is contained in:
raiden00pl 2019-01-23 17:52:27 +00:00 committed by GregoryN
parent f546801fb3
commit f841175540
3 changed files with 61 additions and 56 deletions
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86
arch/arm/src/stm32/stm32_pwm.c
View File

@ -315,31 +315,6 @@
# define HAVE_TRGO # define HAVE_TRGO
#endif #endif
/* Complementary outputs support */
#if defined(CONFIG_STM32_TIM1_CH1NOUT) || defined(CONFIG_STM32_TIM1_CH2NOUT) || \
defined(CONFIG_STM32_TIM1_CH3NOUT)
# define HAVE_TIM1_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM8_CH1NOUT) || defined(CONFIG_STM32_TIM8_CH2NOUT) || \
defined(CONFIG_STM32_TIM8_CH3NOUT)
# define HAVE_TIM8_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM15_CH1NOUT)
# define HAVE_TIM15_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM16_CH1NOUT)
# define HAVE_TIM16_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM17_CH1NOUT)
# define HAVE_TIM17_COMPLEMENTARY
#endif
#if defined(HAVE_TIM1_COMPLEMENTARY) || defined(HAVE_TIM8_COMPLEMENTARY) || \
defined(HAVE_TIM15_COMPLEMENTARY) || defined(HAVE_TIM16_COMPLEMENTARY) || \
defined(HAVE_TIM17_COMPLEMENTARY)
# define HAVE_COMPLEMENTARY
#endif
/* Break support */ /* Break support */
#if defined(CONFIG_STM32_TIM1_BREAK1) || defined(CONFIG_STM32_TIM1_BREAK2) || \ #if defined(CONFIG_STM32_TIM1_BREAK1) || defined(CONFIG_STM32_TIM1_BREAK2) || \
@ -397,7 +372,7 @@ struct stm32_pwmchan_s
#ifdef HAVE_BREAK #ifdef HAVE_BREAK
struct stm32_pwm_break_s brk; /* PWM break configuration */ struct stm32_pwm_break_s brk; /* PWM break configuration */
#endif #endif
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
struct stm32_pwm_out_s out2; /* PWM complementary output configuration */ struct stm32_pwm_out_s out2; /* PWM complementary output configuration */
#endif #endif
}; };
@ -418,7 +393,7 @@ struct stm32_pwmtimer_s
uint8_t lock:2; /* TODO: Lock configuration */ uint8_t lock:2; /* TODO: Lock configuration */
uint8_t t_dts:3; /* Clock division for t_DTS */ uint8_t t_dts:3; /* Clock division for t_DTS */
uint8_t _res:5; /* Reserved */ uint8_t _res:5; /* Reserved */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
uint8_t deadtime; /* Dead-time value */ uint8_t deadtime; /* Dead-time value */
#endif #endif
#ifdef HAVE_TRGO #ifdef HAVE_TRGO
@ -486,7 +461,7 @@ static int pwm_break_dt_configure(FAR struct stm32_pwmtimer_s *priv);
#ifdef HAVE_TRGO #ifdef HAVE_TRGO
static int pwm_sync_configure(FAR struct stm32_pwmtimer_s *priv, uint8_t trgo); static int pwm_sync_configure(FAR struct stm32_pwmtimer_s *priv, uint8_t trgo);
#endif #endif
#if defined(HAVE_COMPLEMENTARY) && defined(CONFIG_STM32_PWM_LL_OPS) #if defined(HAVE_PWM_COMPLEMENTARY) && defined(CONFIG_STM32_PWM_LL_OPS)
static int pwm_deadtime_update(FAR struct pwm_lowerhalf_s *dev, uint8_t dt); static int pwm_deadtime_update(FAR struct pwm_lowerhalf_s *dev, uint8_t dt);
#endif #endif
#ifdef CONFIG_STM32_PWM_LL_OPS #ifdef CONFIG_STM32_PWM_LL_OPS
@ -567,7 +542,7 @@ static const struct stm32_pwm_ops_s g_llpwmops =
# ifdef CONFIG_DEBUG_PWM_INFO # ifdef CONFIG_DEBUG_PWM_INFO
.dump_regs = pwm_dumpregs, .dump_regs = pwm_dumpregs,
# endif # endif
# ifdef HAVE_COMPLEMENTARY # ifdef HAVE_PWM_COMPLEMENTARY
.dt_update = pwm_deadtime_update, .dt_update = pwm_deadtime_update,
# endif # endif
}; };
@ -695,7 +670,7 @@ static struct stm32_pwmtimer_s g_pwm1dev =
.mode = CONFIG_STM32_TIM1_MODE, .mode = CONFIG_STM32_TIM1_MODE,
.lock = CONFIG_STM32_TIM1_LOCK, .lock = CONFIG_STM32_TIM1_LOCK,
.t_dts = CONFIG_STM32_TIM1_TDTS, .t_dts = CONFIG_STM32_TIM1_TDTS,
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = CONFIG_STM32_TIM1_DEADTIME, .deadtime = CONFIG_STM32_TIM1_DEADTIME,
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM1_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM1_TRGO)
@ -794,7 +769,7 @@ static struct stm32_pwmtimer_s g_pwm2dev =
.mode = CONFIG_STM32_TIM2_MODE, .mode = CONFIG_STM32_TIM2_MODE,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM2_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM2_TRGO)
@ -893,7 +868,7 @@ static struct stm32_pwmtimer_s g_pwm3dev =
.mode = CONFIG_STM32_TIM3_MODE, .mode = CONFIG_STM32_TIM3_MODE,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM3_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM3_TRGO)
@ -992,7 +967,7 @@ static struct stm32_pwmtimer_s g_pwm4dev =
.mode = CONFIG_STM32_TIM4_MODE, .mode = CONFIG_STM32_TIM4_MODE,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM4_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM4_TRGO)
@ -1089,7 +1064,7 @@ static struct stm32_pwmtimer_s g_pwm5dev =
.mode = CONFIG_STM32_TIM5_MODE, .mode = CONFIG_STM32_TIM5_MODE,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM5_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM5_TRGO)
@ -1225,7 +1200,7 @@ static struct stm32_pwmtimer_s g_pwm8dev =
.mode = CONFIG_STM32_TIM8_MODE, .mode = CONFIG_STM32_TIM8_MODE,
.lock = CONFIG_STM32_TIM8_LOCK, .lock = CONFIG_STM32_TIM8_LOCK,
.t_dts = CONFIG_STM32_TIM8_TDTS, .t_dts = CONFIG_STM32_TIM8_TDTS,
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = CONFIG_STM32_TIM8_DEADTIME, .deadtime = CONFIG_STM32_TIM8_DEADTIME,
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM8_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM8_TRGO)
@ -1292,7 +1267,7 @@ static struct stm32_pwmtimer_s g_pwm9dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1343,7 +1318,7 @@ static struct stm32_pwmtimer_s g_pwm10dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1394,7 +1369,7 @@ static struct stm32_pwmtimer_s g_pwm11dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1461,7 +1436,7 @@ static struct stm32_pwmtimer_s g_pwm12dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1512,7 +1487,7 @@ static struct stm32_pwmtimer_s g_pwm13dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1563,7 +1538,7 @@ static struct stm32_pwmtimer_s g_pwm14dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = 0, /* No lock */ .lock = 0, /* No lock */
.t_dts = 0, /* No t_dts */ .t_dts = 0, /* No t_dts */
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = 0, /* No deadtime */ .deadtime = 0, /* No deadtime */
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1648,7 +1623,7 @@ static struct stm32_pwmtimer_s g_pwm15dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = CONFIG_STM32_TIM15_LOCK, .lock = CONFIG_STM32_TIM15_LOCK,
.t_dts = CONFIG_STM32_TIM15_TDTS, .t_dts = CONFIG_STM32_TIM15_TDTS,
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = CONFIG_STM32_TIM15_DEADTIME, .deadtime = CONFIG_STM32_TIM15_DEADTIME,
#endif #endif
#if defined(HAVE_TRGO) && defined(STM32_TIM15_TRGO) #if defined(HAVE_TRGO) && defined(STM32_TIM15_TRGO)
@ -1717,7 +1692,7 @@ static struct stm32_pwmtimer_s g_pwm16dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = CONFIG_STM32_TIM16_LOCK, .lock = CONFIG_STM32_TIM16_LOCK,
.t_dts = CONFIG_STM32_TIM16_TDTS, .t_dts = CONFIG_STM32_TIM16_TDTS,
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = CONFIG_STM32_TIM16_DEADTIME, .deadtime = CONFIG_STM32_TIM16_DEADTIME,
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -1786,7 +1761,7 @@ static struct stm32_pwmtimer_s g_pwm17dev =
.mode = STM32_TIMMODE_COUNTUP, .mode = STM32_TIMMODE_COUNTUP,
.lock = CONFIG_STM32_TIM17_LOCK, .lock = CONFIG_STM32_TIM17_LOCK,
.t_dts = CONFIG_STM32_TIM17_TDTS, .t_dts = CONFIG_STM32_TIM17_TDTS,
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
.deadtime = CONFIG_STM32_TIM17_DEADTIME, .deadtime = CONFIG_STM32_TIM17_DEADTIME,
#endif #endif
#if defined(HAVE_TRGO) #if defined(HAVE_TRGO)
@ -2742,7 +2717,7 @@ static int pwm_output_configure(FAR struct stm32_pwmtimer_s *priv,
/* Configure output polarity (all PWM timers) */ /* Configure output polarity (all PWM timers) */
if (priv->channels[channel-1].out1.pol & STM32_POL_POS) if (priv->channels[channel-1].out1.pol == STM32_POL_POS)
{ {
ccer |= (GTIM_CCER_CC1P << ((channel-1)*4)); ccer |= (GTIM_CCER_CC1P << ((channel-1)*4));
} }
@ -2757,7 +2732,7 @@ static int pwm_output_configure(FAR struct stm32_pwmtimer_s *priv,
{ {
/* Configure output IDLE State */ /* Configure output IDLE State */
if (priv->channels[channel-1].out1.idle & STM32_IDLE_ACTIVE) if (priv->channels[channel-1].out1.idle == STM32_IDLE_ACTIVE)
{ {
cr2 |= (ATIM_CR2_OIS1 << ((channel-1)*2)); cr2 |= (ATIM_CR2_OIS1 << ((channel-1)*2));
} }
@ -2766,10 +2741,10 @@ static int pwm_output_configure(FAR struct stm32_pwmtimer_s *priv,
cr2 &= ~(ATIM_CR2_OIS1 << ((channel-1)*2)); cr2 &= ~(ATIM_CR2_OIS1 << ((channel-1)*2));
} }
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
/* Configure complementary output IDLE state */ /* Configure complementary output IDLE state */
if (priv->channels[channel-1].out2.idle & STM32_IDLE_ACTIVE) if (priv->channels[channel-1].out2.idle == STM32_IDLE_ACTIVE)
{ {
cr2 |= (ATIM_CR2_OIS1N << ((channel-1)*2)); cr2 |= (ATIM_CR2_OIS1N << ((channel-1)*2));
} }
@ -2780,7 +2755,7 @@ static int pwm_output_configure(FAR struct stm32_pwmtimer_s *priv,
/* Configure complementary output polarity */ /* Configure complementary output polarity */
if (priv->channels[channel-1].out2.pol & STM32_POL_POS) if (priv->channels[channel-1].out2.pol == STM32_POL_POS)
{ {
ccer |= (ATIM_CCER_CC1NP << ((channel-1)*4)); ccer |= (ATIM_CCER_CC1NP << ((channel-1)*4));
} }
@ -2788,7 +2763,7 @@ static int pwm_output_configure(FAR struct stm32_pwmtimer_s *priv,
{ {
ccer &= ~(ATIM_CCER_CC1NP << ((channel-1)*4)); ccer &= ~(ATIM_CCER_CC1NP << ((channel-1)*4));
} }
#endif /* HAVE_COMPLEMENTARY */ #endif /* HAVE_PWM_COMPLEMENTARY */
#ifdef HAVE_IP_TIMERS_V2 #ifdef HAVE_IP_TIMERS_V2
/* TODO: OIS5 and OIS6 */ /* TODO: OIS5 and OIS6 */
@ -2888,7 +2863,7 @@ static int pwm_outputs_enable(FAR struct pwm_lowerhalf_s *dev,
return OK; return OK;
} }
#if defined(HAVE_COMPLEMENTARY) && defined(CONFIG_STM32_PWM_LL_OPS) #if defined(HAVE_PWM_COMPLEMENTARY) && defined(CONFIG_STM32_PWM_LL_OPS)
/**************************************************************************** /****************************************************************************
* Name: pwm_deadtime_update * Name: pwm_deadtime_update
@ -2896,6 +2871,7 @@ static int pwm_outputs_enable(FAR struct pwm_lowerhalf_s *dev,
static int pwm_deadtime_update(FAR struct pwm_lowerhalf_s *dev, uint8_t dt) static int pwm_deadtime_update(FAR struct pwm_lowerhalf_s *dev, uint8_t dt)
{ {
FAR struct stm32_pwmtimer_s *priv = (FAR struct stm32_pwmtimer_s *)dev;
uint32_t bdtr = 0; uint32_t bdtr = 0;
int ret = OK; int ret = OK;
@ -3041,7 +3017,7 @@ static uint16_t pwm_outputs_from_channels(FAR struct stm32_pwmtimer_s *priv)
outputs |= (STM32_CHAN1 << ((channel-1)*2)); outputs |= (STM32_CHAN1 << ((channel-1)*2));
} }
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
/* Enable complementary output if configured */ /* Enable complementary output if configured */
if (priv->channels[i].out2.in_use == 1) if (priv->channels[i].out2.in_use == 1)
@ -3079,7 +3055,7 @@ static int pwm_break_dt_configure(FAR struct stm32_pwmtimer_s *priv)
pwm_modifyreg(priv, STM32_GTIM_CR1_OFFSET, GTIM_CR1_CKD_MASK, pwm_modifyreg(priv, STM32_GTIM_CR1_OFFSET, GTIM_CR1_CKD_MASK,
priv->t_dts<<GTIM_CR1_CKD_SHIFT); priv->t_dts<<GTIM_CR1_CKD_SHIFT);
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
/* Initialize deadtime */ /* Initialize deadtime */
bdtr |= (priv->deadtime << ATIM_BDTR_DTG_SHIFT); bdtr |= (priv->deadtime << ATIM_BDTR_DTG_SHIFT);
@ -4075,7 +4051,7 @@ static int pwm_setup(FAR struct pwm_lowerhalf_s *dev)
pwm_dumpgpio(pincfg, "PWM setup"); pwm_dumpgpio(pincfg, "PWM setup");
} }
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
if (priv->channels[i].out2.in_use == 1) if (priv->channels[i].out2.in_use == 1)
{ {
pincfg = priv->channels[i].out2.pincfg; pincfg = priv->channels[i].out2.pincfg;
@ -4161,7 +4137,7 @@ static int pwm_shutdown(FAR struct pwm_lowerhalf_s *dev)
stm32_configgpio(pincfg); stm32_configgpio(pincfg);
} }
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
pincfg = priv->channels[i].out2.pincfg; pincfg = priv->channels[i].out2.pincfg;
if (pincfg != 0) if (pincfg != 0)
{ {

27
arch/arm/src/stm32/stm32_pwm.h
View File

@ -849,6 +849,31 @@
# define PWM_TIM17_CH1NCFG 0 # define PWM_TIM17_CH1NCFG 0
#endif #endif
/* Complementary outputs support */
#if defined(CONFIG_STM32_TIM1_CH1NOUT) || defined(CONFIG_STM32_TIM1_CH2NOUT) || \
defined(CONFIG_STM32_TIM1_CH3NOUT)
# define HAVE_TIM1_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM8_CH1NOUT) || defined(CONFIG_STM32_TIM8_CH2NOUT) || \
defined(CONFIG_STM32_TIM8_CH3NOUT)
# define HAVE_TIM8_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM15_CH1NOUT)
# define HAVE_TIM15_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM16_CH1NOUT)
# define HAVE_TIM16_COMPLEMENTARY
#endif
#if defined(CONFIG_STM32_TIM17_CH1NOUT)
# define HAVE_TIM17_COMPLEMENTARY
#endif
#if defined(HAVE_TIM1_COMPLEMENTARY) || defined(HAVE_TIM8_COMPLEMENTARY) || \
defined(HAVE_TIM15_COMPLEMENTARY) || defined(HAVE_TIM16_COMPLEMENTARY) || \
defined(HAVE_TIM17_COMPLEMENTARY)
# define HAVE_PWM_COMPLEMENTARY
#endif
/* Low-level ops helpers ************************************************************/ /* Low-level ops helpers ************************************************************/
/* NOTE: low-level ops accept pwm_lowerhalf_s as first argument, but llops access /* NOTE: low-level ops accept pwm_lowerhalf_s as first argument, but llops access
@ -1027,7 +1052,7 @@ struct stm32_pwm_ops_s
int (*dump_regs)(FAR struct pwm_lowerhalf_s *dev); int (*dump_regs)(FAR struct pwm_lowerhalf_s *dev);
#endif #endif
#ifdef HAVE_COMPLEMENTARY #ifdef HAVE_PWM_COMPLEMENTARY
/* Deadtime update */ /* Deadtime update */
int (*dt_update)(FAR struct pwm_lowerhalf_s *dev, uint8_t dt); int (*dt_update)(FAR struct pwm_lowerhalf_s *dev, uint8_t dt);

4
include/dsp.h
View File

@ -72,6 +72,10 @@
# define CONFIG_LIBDSP_PRECISION 0 # define CONFIG_LIBDSP_PRECISION 0
#endif #endif
#if !defined(CONFIG_LIBM) && !defined(CONFIG_ARCH_MATH_H)
# error math.h not defined!
#endif
/* Phase rotation direction */ /* Phase rotation direction */
#define DIR_CW (1.0f) #define DIR_CW (1.0f)