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risc-v/esp32c3: fix pwm driver bug

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Wrong offset sign and pwm multichan fix

Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
This commit is contained in:
Peter Bee 2021-09-13 14:37:43 +08:00 committed by Alan Carvalho de Assis
parent 17ea15a659
commit 2a8b076b38
2 changed files with 12 additions and 3 deletions
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1
arch/risc-v/src/esp32c3/Kconfig
View File

@ -207,6 +207,7 @@ config ESP32C3_LEDC
bool "LEDC (PWM)"
default n
select PWM
select ARCH_HAVE_PWM_MULTICHAN
config ESP32C3_GPIO_IRQ
bool "GPIO pin interrupts"

14
arch/risc-v/src/esp32c3/esp32c3_ledc.c
View File

@ -105,12 +105,12 @@
/* LEDC timer registers mapping */
#define LEDC_TIMER_REG(r, n) ((r) + (n) * (LEDC_TIMER1_CONF_REG - \
LEDC_TIMER2_CONF_REG))
LEDC_TIMER0_CONF_REG))
/* LEDC timer channel registers mapping */
#define LEDC_CHAN_REG(r, n) ((r) + (n) * (LEDC_CH0_CONF0_REG - \
LEDC_CH1_CONF0_REG))
#define LEDC_CHAN_REG(r, n) ((r) + (n) * (LEDC_CH1_CONF0_REG - \
LEDC_CH0_CONF0_REG))
#define SET_TIMER_BITS(t, r, b) setbits(b, LEDC_TIMER_REG(r, (t)->num));
#define SET_TIMER_REG(t, r, v) putreg32(v, LEDC_TIMER_REG(r, (t)->num));
@ -632,9 +632,17 @@ static int pwm_start(struct pwm_lowerhalf_s *dev,
for (int i = 0; i < channels; i++)
{
#ifdef CONFIG_PWM_NCHANNELS
if (priv->chans[i].duty != info->channels[i].duty)
#else
if (priv->chans[i].duty != info[i].duty)
#endif
{
#ifdef CONFIG_PWM_NCHANNELS
priv->chans[i].duty = info->channels[i].duty;
#else
priv->chans[i].duty = info[i].duty;
#endif
setup_channel(priv, i);
}
}