STM32 Nucleo32-L031

Support for the STM32 Nucleo32-L031. More...

Detailed Description

Support for the STM32 Nucleo32-L031.

Files

file  boards/nucleo32-l031/include/periph_conf.h
 Peripheral MCU configuration for the nucleo32-l031 board.
 

Clock system configuration

#define CLOCK_HSI   (16000000U) /* internal oscillator */
 
#define CLOCK_CORECLOCK   (32000000U) /* desired core clock frequency */
 
#define CLOCK_PLL_DIV   RCC_CFGR_PLLDIV2
 
#define CLOCK_PLL_MUL   RCC_CFGR_PLLMUL4
 
#define CLOCK_AHB_DIV   RCC_CFGR_HPRE_DIV1 /* AHB clock -> 32MHz */
 
#define CLOCK_APB2_DIV   RCC_CFGR_PPRE2_DIV1 /* APB2 clock -> 32MHz */
 
#define CLOCK_APB1_DIV   RCC_CFGR_PPRE1_DIV1 /* APB1 clock -> 32MHz */
 
#define CLOCK_FLASH_LATENCY   FLASH_ACR_LATENCY
 
#define CLOCK_AHB   (CLOCK_CORECLOCK / 1)
 
#define CLOCK_APB2   (CLOCK_CORECLOCK / 1)
 
#define CLOCK_APB1   (CLOCK_CORECLOCK / 1)
 

Timer configuration

static const timer_conf_t timer_config []
 
#define TIMER_0_ISR   isr_tim2
 
#define TIMER_NUMOF   (sizeof(timer_config) / sizeof(timer_config[0]))
 

UART configuration

static const uart_conf_t uart_config []
 
#define UART_0_ISR   (isr_usart2)
 
#define UART_NUMOF   (sizeof(uart_config) / sizeof(uart_config[0]))
 

PWM configuration

static const pwm_conf_t pwm_config []
 
#define PWM_NUMOF   (sizeof(pwm_config) / sizeof(pwm_config[0]))
 

SPI configuration

static const uint8_t spi_divtable [2][5]
 
static const spi_conf_t spi_config []
 
#define SPI_NUMOF   (sizeof(spi_config) / sizeof(spi_config[0]))
 

ADC configuration

#define ADC_CONFIG
 
#define ADC_NUMOF   (7U)
 

RTC configuration

#define RTC_NUMOF   (1U)
 

Macro Definition Documentation

◆ ADC_CONFIG

#define ADC_CONFIG
Value:
{ \
{ GPIO_PIN(PORT_A, 0), 0 }, /* Pin A0 */ \
{ GPIO_PIN(PORT_A, 1), 1 }, /* Pin A1 */ \
{ GPIO_PIN(PORT_A, 3), 3 }, /* Pin A2 */ \
{ GPIO_PIN(PORT_A, 4), 4 }, /* Pin A3 */ \
{ GPIO_PIN(PORT_A, 5), 5 }, /* Pin A4 */ \
{ GPIO_PIN(PORT_A, 6), 6 }, /* Pin A5 */ \
{ GPIO_PIN(PORT_A, 7), 7 }, /* Pin A6 */ \
}
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.

Definition at line 158 of file boards/nucleo32-l031/include/periph_conf.h.

Variable Documentation

◆ pwm_config

const pwm_conf_t pwm_config[]
static
Initial value:
= {
{
.dev = TIM21,
.rcc_mask = RCC_APB2ENR_TIM21EN,
.chan = { { .pin = GPIO_PIN(PORT_B, 6) , .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 } },
.af = GPIO_AF5,
.bus = APB2
}
}
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
use alternate function 5
#define GPIO_UNDEF
Define custom value to speficy undefined or unused GPIOs.

Definition at line 101 of file boards/nucleo32-l031/include/periph_conf.h.

◆ spi_config

const spi_conf_t spi_config[]
static
Initial value:
= {
{
.dev = SPI1,
.mosi_pin = GPIO_PIN(PORT_B, 5),
.miso_pin = GPIO_PIN(PORT_B, 4),
.sclk_pin = GPIO_PIN(PORT_B, 3),
.cs_pin = GPIO_UNDEF,
.af = GPIO_AF0,
.rccmask = RCC_APB2ENR_SPI1EN,
.apbbus = APB2
}
}
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
use alternate function 0
#define GPIO_UNDEF
Define custom value to speficy undefined or unused GPIOs.

Definition at line 138 of file boards/nucleo32-l031/include/periph_conf.h.

◆ spi_divtable

const uint8_t spi_divtable[2][5]
static
Initial value:
= {
{
7,
5,
4,
2,
1
},
{
7,
5,
4,
2,
1
}
}

Definition at line 121 of file boards/nucleo32-l031/include/periph_conf.h.

◆ timer_config

const timer_conf_t timer_config[]
static
Initial value:
= {
{
.dev = TIM2,
.max = 0x0000ffff,
.rcc_mask = RCC_APB1ENR_TIM2EN,
.bus = APB1,
.irqn = TIM2_IRQn
}
}

Definition at line 60 of file boards/nucleo32-l031/include/periph_conf.h.

◆ uart_config

const uart_conf_t uart_config[]
static
Initial value:
= {
{
.dev = USART2,
.rcc_mask = RCC_APB1ENR_USART2EN,
.rx_pin = GPIO_PIN(PORT_A, 15),
.tx_pin = GPIO_PIN(PORT_A, 2),
.rx_af = GPIO_AF4,
.tx_af = GPIO_AF4,
.bus = APB1,
.irqn = USART2_IRQn
}
}
use alternate function 4
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.

Definition at line 79 of file boards/nucleo32-l031/include/periph_conf.h.