periph_cpu.h File Reference
CPU specific definitions for internal peripheral handling. More...
Detailed Description
CPU specific definitions for internal peripheral handling.
Definition in file periph_cpu.h.
#include "kernel_defines.h"#include "mutex.h"#include "cpu.h"#include "cpu_conf.h"#include "em_adc.h"#include "em_cmu.h"#include "em_device.h"#include "em_gpio.h"#include "em_timer.h"#include "em_usart.h"#include "em_wdog.h"#include "em_rtc.h"
Include dependency graph for periph_cpu.h: This graph shows which files directly or indirectly include this file:Go to the source code of this file.
Data Structures | |
| struct | clk_mux_t |
| Clock mux configuration. More... | |
| struct | clk_div_t |
| Clock divider configuration. More... | |
| struct | adc_conf_t |
| ADC device configuration. More... | |
| struct | adc_chan_conf_t |
| ADC channel configuration. More... | |
| struct | i2c_conf_t |
| I2C configuration structure. More... | |
| struct | pwm_chan_conf_t |
| PWM channel configuration. More... | |
| struct | pwm_conf_t |
| PWM device configuration. More... | |
| struct | spi_dev_t |
| SPI device configuration. More... | |
| struct | timer_dev_t |
| Define timer configuration values. More... | |
| struct | timer_conf_t |
| Timer device configuration. More... | |
| struct | uart_conf_t |
| UART device configuration. More... | |
Macros | |
| #define | GPIO_UNDEF (0xffffffff) |
| Definition of a fitting UNDEF value. | |
| #define | GPIO_PIN(x, y) ((gpio_t) ((x << 4) | y)) |
| Mandatory function for defining a GPIO pins. | |
| #define | GPIO_MODE(x, y) ((x << 1) | y) |
| Internal macro for combining pin mode (x) and pull-up/down (y). | |
| #define | ADC_MODE(x, y) ((y << 4) | x) |
| Internal macro for combining ADC resolution (x) with number of shifts (y). | |
| #define | ADC_MODE_UNDEF(x) (ADC_MODE(x, 15)) |
| Internal define to note that resolution is not supported. | |
| #define | CONFIG_EFM32_XTIMER_USE_LETIMER 0 |
| Use LETIMER as the base timer for XTIMER. | |
| #define | PROVIDES_PM_OFF |
| CPU provides own pm_off() function. | |
| #define | PROVIDES_PM_LAYERED_OFF |
| CPU provides own pm_off() function. | |
| #define | PM_NUM_MODES (3U) |
| Number of usable power modes. | |
Enumerations | |
| enum | |
| Available ports on the EFM32. | |
| #define | CPUID_LEN (8U) |
| Length of CPU ID in octets. | |
| #define | CLOCK_CORECLOCK SystemCoreClock |
| CPU Frequency Define. | |
Real time counter configuration | |
| #define | RTT_MAX_FREQUENCY (32768U) /* in Hz */ |
| #define | RTT_MIN_FREQUENCY (1U) /* in Hz */ |
| #define | RTT_CLOCK_FREQUENCY (32768U) /* in Hz, LFCLK*/ |
| #define | HAVE_GPIO_T |
| Define a custom type for GPIO pins. | |
| typedef uint32_t | gpio_t |
| #define | HAVE_HWCRYPTO_AES128 |
| Override hardware crypto supported methods. | |
| #define | PERIPH_I2C_NEED_READ_REG |
| Declare needed generic I2C functions. | |
| #define | PERIPH_I2C_NEED_WRITE_REG |
| #define | PERIPH_SPI_NEEDS_INIT_CS |
| Declare needed generic SPI functions. | |
| #define | PERIPH_SPI_NEEDS_TRANSFER_BYTE |
| #define | PERIPH_SPI_NEEDS_TRANSFER_REG |
| #define | PERIPH_SPI_NEEDS_TRANSFER_REGS |
| #define | LETIMER_MAX_VALUE _LETIMER_TOP_MASK |
| max timer value of LETIMER peripheral | |
| #define | TIMER_MAX_VALUE _TIMER_TOP_MASK |
| max timer value of TIMER peripheral | |
Available power modes | |
| #define | EFM32_PM_MODE_EM3 (0U) |
| CPU sleeps, peripherals in EM3 domain are active. | |
| #define | EFM32_PM_MODE_EM2 (1U) |
| CPU sleeps, peripherals in EM2 + EM3 domain are active. | |
| #define | EFM32_PM_MODE_EM1 (2U) |
| CPU sleeps, all peripherals are active. | |
USB device definitions | |
| #define | USBDEV_NUM_ENDPOINTS 7 |
| Number of USB OTG FS endpoints including EP0. | |
