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Merge pull request #16301 from IchiroKuroki/arduino_nano_33_iot_support

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Configuration extension for arduino-nano-33-iot
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Francisco 2021-04-20 09:48:24 +02:00 committed by GitHub
commit 2a3fbf38f6
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2
boards/arduino-nano-33-iot/Kconfig
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@ -11,7 +11,9 @@ config BOARD_ARDUINO_NANO_33_IOT
bool bool
default y default y
select CPU_MODEL_SAMD21G18A select CPU_MODEL_SAMD21G18A
select HAS_PERIPH_ADC
select HAS_PERIPH_I2C select HAS_PERIPH_I2C
select HAS_PERIPH_PWM
select HAS_PERIPH_RTC select HAS_PERIPH_RTC
select HAS_PERIPH_RTT select HAS_PERIPH_RTT
select HAS_PERIPH_SPI select HAS_PERIPH_SPI

2
boards/arduino-nano-33-iot/Makefile.features
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@ -2,7 +2,9 @@ CPU = samd21
CPU_MODEL = samd21g18a CPU_MODEL = samd21g18a
# Put defined MCU peripherals here (in alphabetical order) # Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi FEATURES_PROVIDED += periph_spi

78
boards/arduino-nano-33-iot/include/periph_conf.h
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@ -139,6 +139,72 @@ static const uart_conf_t uart_config[] = {
#define UART_NUMOF ARRAY_SIZE(uart_config) #define UART_NUMOF ARRAY_SIZE(uart_config)
/** @} */ /** @} */
/**
* @name PWM configuration
* @{
*/
#define PWM_0_EN 1
#define PWM_1_EN 1
#if PWM_0_EN
/* PWM0 channels */
static const pwm_conf_chan_t pwm_chan0_config[] = {
/* GPIO pin, MUX value, TCC channel */
{ GPIO_PIN(PA, 4), GPIO_MUX_E, 0},
{ GPIO_PIN(PA, 5), GPIO_MUX_E, 1},
};
#endif
#if PWM_1_EN
/* PWM1 channels */
static const pwm_conf_chan_t pwm_chan1_config[] = {
/* GPIO pin, MUX value, TCC channel */
{ GPIO_PIN(PA, 10), GPIO_MUX_E, 0 },
{ GPIO_PIN(PA, 11), GPIO_MUX_E, 1 },
};
#endif
/* PWM device configuration */
static const pwm_conf_t pwm_config[] = {
#if PWM_0_EN
{TCC_CONFIG(TCC0), pwm_chan0_config, ARRAY_SIZE(pwm_chan0_config), SAM0_GCLK_MAIN},
#endif
#if PWM_1_EN
{TCC_CONFIG(TCC1), pwm_chan1_config, ARRAY_SIZE(pwm_chan1_config), SAM0_GCLK_MAIN},
#endif
};
/* number of devices that are actually defined */
#define PWM_NUMOF ARRAY_SIZE(pwm_config)
/** @} */
/**
* @name ADC configuration
* @{
*/
/* ADC Default values */
#define ADC_PRESCALER ADC_CTRLB_PRESCALER_DIV512
#define ADC_NEG_INPUT ADC_INPUTCTRL_MUXNEG_GND
#define ADC_GAIN_FACTOR_DEFAULT ADC_INPUTCTRL_GAIN_1X
#define ADC_REF_DEFAULT ADC_REFCTRL_REFSEL_INT1V
static const adc_conf_chan_t adc_channels[] = {
/* port, pin, muxpos */
{GPIO_PIN(PA, 2), ADC_INPUTCTRL_MUXPOS_PIN0}, /* A0 */
{GPIO_PIN(PB, 2), ADC_INPUTCTRL_MUXPOS_PIN10}, /* A1 */
{GPIO_PIN(PA, 11), ADC_INPUTCTRL_MUXPOS_PIN19}, /* A2 */
{GPIO_PIN(PA, 10), ADC_INPUTCTRL_MUXPOS_PIN18}, /* A3 */
{GPIO_PIN(PB, 8), ADC_INPUTCTRL_MUXPOS_PIN2}, /* A4 */
{GPIO_PIN(PB, 9), ADC_INPUTCTRL_MUXPOS_PIN3}, /* A5 */
{GPIO_PIN(PA, 9), ADC_INPUTCTRL_MUXPOS_PIN17}, /* A6 */
{GPIO_PIN(PB, 3), ADC_INPUTCTRL_MUXPOS_PIN11}, /* A7 */
};
#define ADC_NUMOF ARRAY_SIZE(adc_channels)
/** @} */
/** /**
* @name I2C configuration * @name I2C configuration
* @{ * @{
@ -174,6 +240,18 @@ static const spi_conf_t spi_config[] = {
.mosi_pad = SPI_PAD_MOSI_0_SCK_3, .mosi_pad = SPI_PAD_MOSI_0_SCK_3,
.gclk_src = SAM0_GCLK_MAIN, .gclk_src = SAM0_GCLK_MAIN,
}, },
{
.dev = &SERCOM3->SPI,
.miso_pin = GPIO_PIN(PA, 19),
.mosi_pin = GPIO_PIN(PA, 16),
.clk_pin = GPIO_PIN(PA, 17),
.miso_mux = GPIO_MUX_D,
.mosi_mux = GPIO_MUX_D,
.clk_mux = GPIO_MUX_D,
.miso_pad = SPI_PAD_MISO_3,
.mosi_pad = SPI_PAD_MOSI_0_SCK_1,
.gclk_src = SAM0_GCLK_MAIN,
},
}; };
#define SPI_NUMOF ARRAY_SIZE(spi_config) #define SPI_NUMOF ARRAY_SIZE(spi_config)