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boards/p-nucleo-wb55: full PWM config in periph_conf.h

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This commit is contained in:
krzysztof-cabaj 2023-11-29 19:22:07 +01:00
parent 2e4018ea57
commit 4a2ea66e16
1 changed files with 29 additions and 1 deletions
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30
boards/p-nucleo-wb55/include/periph_conf.h
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@ -106,10 +106,38 @@ static const spi_conf_t spi_config[] = {
#define SPI_NUMOF ARRAY_SIZE(spi_config)
/** @} */
static const pwm_conf_t pwm_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-WB55 this information is in the datasheet, Table 18, page 72.
*
* @{
*/
static const pwm_conf_t pwm_config[] = {
{
.dev = TIM1,
.rcc_mask = RCC_APB2ENR_TIM1EN,
.chan = { { .pin = GPIO_PIN(PORT_A, 8) /* CN9 D6 */, .cc_chan = 0},
{ .pin = GPIO_PIN(PORT_A, 9) /* CN5 D9 */, .cc_chan = 1},
{ .pin = GPIO_PIN(PORT_A, 10) /* CN9 D3 */, .cc_chan = 2},
{ .pin = GPIO_PIN(PORT_A, 11) /* CC10 14 */, .cc_chan = 3} },
.af = GPIO_AF1,
.bus = APB2
},
};
#define PWM_NUMOF ARRAY_SIZE(pwm_config)
/** @} */
/**
* @brief USB device FS configuration
*/