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Merge pull request #18647 from krzysztof-cabaj/nucleo-f446ze-ADC

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boards/nucleo-f446ze: add support for ADC
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benpicco 2022-09-26 13:22:56 +02:00 committed by GitHub
commit 782aa52566
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3 changed files with 42 additions and 0 deletions
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1
boards/nucleo-f446ze/Kconfig
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@ -15,6 +15,7 @@ config BOARD_NUCLEO_F446ZE
select CPU_MODEL_STM32F446ZE select CPU_MODEL_STM32F446ZE
# Put defined MCU peripherals here (in alphabetical order) # Put defined MCU peripherals here (in alphabetical order)
select HAS_PERIPH_ADC
select HAS_PERIPH_DMA select HAS_PERIPH_DMA
select HAS_PERIPH_I2C select HAS_PERIPH_I2C
select HAS_PERIPH_CAN select HAS_PERIPH_CAN

1
boards/nucleo-f446ze/Makefile.features
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@ -8,6 +8,7 @@ FEATURES_PROVIDED += periph_can
FEATURES_PROVIDED += periph_pwm FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_spi FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_timer FEATURES_PROVIDED += periph_timer
FEATURES_PROVIDED += periph_uart FEATURES_PROVIDED += periph_uart
FEATURES_PROVIDED += periph_usbdev FEATURES_PROVIDED += periph_usbdev

40
boards/nucleo-f446ze/include/periph_conf.h
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@ -169,6 +169,46 @@ static const spi_conf_t spi_config[] = {
#define SPI_NUMOF ARRAY_SIZE(spi_config) #define SPI_NUMOF ARRAY_SIZE(spi_config)
/** @} */ /** @} */
/**
* @brief ADC configuration
*
* Note that we do not configure all ADC channels,
* and not in the STM32F446 order. Instead, we
* just define 6 ADC channels, for the Nucleo
* Arduino header pins A0-A5.
*
* To find appropriate device and channel find in the
* board manual, table showing pin assignments and
* information about ADC - a text similar to ADC[X]_IN[Y],
* where:
* [X] - describes used device - indexed from 0,
* for example ADC1_IN10 is device 0,
* [Y] - describes used channel - indexed from 1,
* for example ADC1_IN10 is channel 10
*
* For Nucleo-F446ZE this information is in board manual,
* Table 18, page 56.
* @{
*/
static const adc_conf_t adc_config[] = {
{ .pin = GPIO_PIN(PORT_A, 0), .dev = 2, .chan = 3 }, /* ADC123_IN3 */
{ .pin = GPIO_PIN(PORT_A, 1), .dev = 2, .chan = 10 }, /* ADC123_IN10 */
{ .pin = GPIO_PIN(PORT_A, 4), .dev = 2, .chan = 13 }, /* ADC123_IN13 */
{ .pin = GPIO_PIN(PORT_B, 0), .dev = 2, .chan = 9 }, /* ADC123_IN9 */
{ .pin = GPIO_PIN(PORT_C, 1), .dev = 2, .chan = 15 }, /* ADC3_IN15 */
{ .pin = GPIO_PIN(PORT_C, 0), .dev = 2, .chan = 8 }, /* ADC3_IN8 */
{ .pin = GPIO_UNDEF, .dev = 0, .chan = 18 }, /* VBAT */
};
/**
* @brief Number of ADC devices
*/
#define ADC_NUMOF ARRAY_SIZE(adc_config)
#define VBAT_ADC ADC_LINE(6) /**< VBAT ADC line */
/** @} */
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif