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boards/arduino-nano-33-iot: add PWM configuration

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This commit is contained in:
Ichiro Kuroki 2021-04-10 13:38:44 +03:00
parent 0397cab91c
commit a8e9a985d5
3 changed files with 42 additions and 0 deletions
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1
boards/arduino-nano-33-iot/Kconfig
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@ -12,6 +12,7 @@ config BOARD_ARDUINO_NANO_33_IOT
default y default y
select CPU_MODEL_SAMD21G18A select CPU_MODEL_SAMD21G18A
select HAS_PERIPH_I2C select HAS_PERIPH_I2C
select HAS_PERIPH_PWM
select HAS_PERIPH_RTC select HAS_PERIPH_RTC
select HAS_PERIPH_RTT select HAS_PERIPH_RTT
select HAS_PERIPH_SPI select HAS_PERIPH_SPI

1
boards/arduino-nano-33-iot/Makefile.features
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@ -3,6 +3,7 @@ CPU_MODEL = samd21g18a
# Put defined MCU peripherals here (in alphabetical order) # Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_i2c FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi FEATURES_PROVIDED += periph_spi

40
boards/arduino-nano-33-iot/include/periph_conf.h
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@ -139,6 +139,46 @@ static const uart_conf_t uart_config[] = {
#define UART_NUMOF ARRAY_SIZE(uart_config) #define UART_NUMOF ARRAY_SIZE(uart_config)
/** @} */ /** @} */
/**
* @name PWM configuration
* @{
*/
#define PWM_0_EN 1
#define PWM_1_EN 1
#if PWM_0_EN
/* PWM0 channels */
static const pwm_conf_chan_t pwm_chan0_config[] = {
/* GPIO pin, MUX value, TCC channel */
{ GPIO_PIN(PA, 4), GPIO_MUX_E, 0},
{ GPIO_PIN(PA, 5), GPIO_MUX_E, 1},
};
#endif
#if PWM_1_EN
/* PWM1 channels */
static const pwm_conf_chan_t pwm_chan1_config[] = {
/* GPIO pin, MUX value, TCC channel */
{ GPIO_PIN(PA, 10), GPIO_MUX_E, 0 },
{ GPIO_PIN(PA, 11), GPIO_MUX_E, 1 },
};
#endif
/* PWM device configuration */
static const pwm_conf_t pwm_config[] = {
#if PWM_0_EN
{TCC_CONFIG(TCC0), pwm_chan0_config, ARRAY_SIZE(pwm_chan0_config), SAM0_GCLK_MAIN},
#endif
#if PWM_1_EN
{TCC_CONFIG(TCC1), pwm_chan1_config, ARRAY_SIZE(pwm_chan1_config), SAM0_GCLK_MAIN},
#endif
};
/* number of devices that are actually defined */
#define PWM_NUMOF ARRAY_SIZE(pwm_config)
/** @} */
/** /**
* @name I2C configuration * @name I2C configuration
* @{ * @{