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boards/nucleo-l552ze: add PWM configuration #20032

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Oct 31, 2023
Merged

boards/nucleo-l552ze: add PWM configuration #20032

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boards/nucleo-l552ze-q: initial PWM config
krzysztof-cabaj Oct 28, 2023
1549aa1
boards/nucleo-l552ze-q: add PWM configuration to Kconfig
krzysztof-cabaj Oct 31, 2023
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1 change: 1 addition & 0 deletions boards/nucleo-l552ze-q/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ config BOARD_NUCLEO_L552ZE_Q
# Put defined MCU peripherals here (in alphabetical order)
select HAS_PERIPH_I2C
select HAS_PERIPH_LPUART
select HAS_PERIPH_PWM
select HAS_PERIPH_SPI
select HAS_PERIPH_TIMER
select HAS_PERIPH_UART
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1 change: 1 addition & 0 deletions boards/nucleo-l552ze-q/Makefile.features
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Expand Up @@ -4,6 +4,7 @@ CPU_MODEL = stm32l552ze
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_timer
FEATURES_PROVIDED += periph_uart periph_lpuart

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53 changes: 53 additions & 0 deletions boards/nucleo-l552ze-q/include/periph_conf.h
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Expand Up @@ -94,6 +94,59 @@
#define SPI_NUMOF ARRAY_SIZE(spi_config)
/** @} */


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/**
* @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-L552ZE-Q this information is in the datasheet, Table 22, page 122.
*
* @{
*/
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) /* CN9 A1 */, .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_B, 5) /* CN7 D22 */, .cc_chan = 1},
{ .pin = GPIO_PIN(PORT_B, 0) /* CN9 A3 */, .cc_chan = 2},
{ .pin = GPIO_PIN(PORT_B, 1) /* CN10 A6 */, .cc_chan = 3} },
.af = GPIO_AF2,
.bus = APB1
},
{
.dev = TIM4,
.rcc_mask = RCC_APB1ENR1_TIM4EN,
.chan = { { .pin = GPIO_PIN(PORT_D, 12) /* CN7 D19 */, .cc_chan = 0},
{ .pin = GPIO_PIN(PORT_B, 7) /* Blue LD2 */, .cc_chan = 1},
{ .pin = GPIO_PIN(PORT_D, 14) /* CN7 D10 */, .cc_chan = 2},
{ .pin = GPIO_PIN(PORT_D, 15) /* CN7 D9 */, .cc_chan = 3} },
.af = GPIO_AF2,
.bus = APB1
},
};

#define PWM_NUMOF ARRAY_SIZE(pwm_config)

/** @} */

#ifdef __cplusplus
}
#endif
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