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boards/nucleo-l4r5zi : add PWM configuration #20036

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Nov 2, 2023
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boards/nucleo-l4r5zi : add PWM configuration #20036

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b88b53b
boards/nucleo-l4r5zi:PWM config: Kconfig, Makefile.features, periph_c…
krzysztof-cabaj Oct 31, 2023
8899a59
boards/nucleo-l4r5zi: full PWM config in periph_conf.h
krzysztof-cabaj Nov 1, 2023
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1 change: 1 addition & 0 deletions boards/nucleo-l4r5zi/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ config BOARD_NUCLEO_L4R5ZI
select HAS_PERIPH_ADC
select HAS_PERIPH_I2C
select HAS_PERIPH_LPUART
select HAS_PERIPH_PWM
select HAS_PERIPH_RTC
select HAS_PERIPH_RTT
select HAS_PERIPH_SPI
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1 change: 1 addition & 0 deletions boards/nucleo-l4r5zi/Makefile.features
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Expand Up @@ -5,6 +5,7 @@ CPU_MODEL = stm32l4r5zi
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_lpuart
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
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44 changes: 44 additions & 0 deletions boards/nucleo-l4r5zi/include/periph_conf.h
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Expand Up @@ -167,6 +167,50 @@ static const adc_conf_t 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 Nucleo-L4R5ZI this information is in the datasheet, Table 16, page
* 117.
*
* @{
*/
static const pwm_conf_t pwm_config[] = {
{
.dev = TIM2,
.rcc_mask = RCC_APB1ENR1_TIM2EN,
.chan = { { .pin = GPIO_PIN(PORT_A, 0) /* CN10 D32 */, .cc_chan = 0},
{ .pin = GPIO_PIN(PORT_A, 1) /* CN10 A8 */, .cc_chan = 1},
{ .pin = GPIO_PIN(PORT_A, 2) /* CN10 D26 */, .cc_chan = 2},
{ .pin = GPIO_PIN(PORT_A, 3) /* CN9 A0 */, .cc_chan = 3} },
.af = GPIO_AF1,
.bus = APB1
},
{
.dev = TIM3,
.rcc_mask = RCC_APB1ENR1_TIM3EN,
.chan = { { .pin = GPIO_PIN(PORT_B, 4) /* CN7 D25 */, .cc_chan = 0},
{ .pin = GPIO_PIN(PORT_E, 4) /* CN9 D57 */, .cc_chan = 1},
{ .pin = GPIO_PIN(PORT_B, 0) /* CN10 D33 */, .cc_chan = 2},
{ .pin = GPIO_PIN(PORT_B, 1) /* CN10 A6 */, .cc_chan = 3} },
.af = GPIO_AF2,
.bus = APB1
},
};

#define PWM_NUMOF ARRAY_SIZE(pwm_config)

/** @} */

#ifdef __cplusplus
}
#endif
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