diff --git a/boards/stm32l476g-disco/Makefile.features b/boards/stm32l476g-disco/Makefile.features index 92ab935753..d6744b44ba 100644 --- a/boards/stm32l476g-disco/Makefile.features +++ b/boards/stm32l476g-disco/Makefile.features @@ -3,6 +3,7 @@ CPU_MODEL = stm32l476vg # Put defined MCU peripherals here (in alphabetical order) FEATURES_PROVIDED += periph_adc +FEATURES_PROVIDED += periph_pwm FEATURES_PROVIDED += periph_rtc FEATURES_PROVIDED += periph_rtt FEATURES_PROVIDED += periph_timer diff --git a/boards/stm32l476g-disco/include/periph_conf.h b/boards/stm32l476g-disco/include/periph_conf.h index 205f848059..311541992b 100644 --- a/boards/stm32l476g-disco/include/periph_conf.h +++ b/boards/stm32l476g-disco/include/periph_conf.h @@ -129,6 +129,50 @@ static const adc_conf_t adc_config[] = { #define ADC_NUMOF ARRAY_SIZE(adc_config) /** @} */ +/** + * @name PWM configuration + * @{ + * + * To find appriopate device and channel find in the MCU datasheet table + * concerning "Alternate function AF0 to AF7" a text similar to TIM[X]_CH[Y], + * where: + * TIM[X] - is device, + * [Y] - describes used channel (indexed from 0), for example TIM2_CH1 is + * channel 0 in configuration structure (cc_chan - field), + * Port column in the table describes connected port. + * + * For stm32l476g-disco this information is in the MCU datasheet, + * Table 17, page 88. + * + * Remark! + * PMW device 0 overlaps with ADC. + */ +static const pwm_conf_t pwm_config[] = { + { + .dev = TIM2, + .rcc_mask = RCC_APB1ENR1_TIM2EN, + .chan = { { .pin = GPIO_PIN(PORT_A, 5), .cc_chan = 0}, + { .pin = GPIO_PIN(PORT_A, 1), .cc_chan = 1}, + { .pin = GPIO_PIN(PORT_A, 2), .cc_chan = 2}, + { .pin = GPIO_PIN(PORT_A, 3), .cc_chan = 3} }, + .af = GPIO_AF1, + .bus = APB1 + }, + { + .dev = TIM1, + .rcc_mask = RCC_APB2ENR_TIM1EN, + .chan = { { .pin = GPIO_PIN(PORT_E, 11), .cc_chan = 1}, + { .pin = GPIO_PIN(PORT_E, 13), .cc_chan = 2}, + { .pin = GPIO_PIN(PORT_E, 14), .cc_chan = 3}, + { .pin = GPIO_UNDEF, .cc_chan = 0} }, + .af = GPIO_AF1, + .bus = APB2 + } +}; + +#define PWM_NUMOF ARRAY_SIZE(pwm_config) +/** @} */ + #ifdef __cplusplus } #endif