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 dependency graph for periph_cpu.h:Go to the source code of this file.
Data Structures | |
| struct | uart_conf_t |
| UART device configuration. More... | |
| struct | spi_conf_t |
| SPI configuration structure type. More... | |
| struct | i2c_conf_t |
| I2C configuration options. More... | |
Macros | |
| #define | CPUID_LEN (12U) |
| Length of the CPU_ID in octets. | |
| #define | GPIO_UNDEF (0xff) |
| Definition of a fitting UNDEF value. | |
| #define | GPIO_PIN(x, y) (x | y) |
| Define a CPU specific GPIO pin generator macro. | |
| #define | GPIO_INTR_PRIORITY (3) |
| GPIO interrupt priority. | |
| #define | UART_ISR_PRIO (2) |
| UART interrupt priority. | |
| #define | PERIPH_TIMER_PROVIDES_SET |
| Prevent shared timer functions from being used. | |
| #define | WDT_INTR_PRIORITY (PLIC_NUM_PRIORITIES) |
| WDT interrupt priority: use highest priority. | |
| #define | WDT_HAS_STOP (1) |
| WDT can be stopped. | |
This CPU makes use of the following shared SPI functions | |
| #define | PERIPH_SPI_NEEDS_TRANSFER_BYTE 1 |
| #define | PERIPH_SPI_NEEDS_TRANSFER_REG 1 |
| #define | PERIPH_SPI_NEEDS_TRANSFER_REGS 1 |
Use the shared I2C functions | |
| #define | PERIPH_I2C_NEED_READ_REG |
| Use read reg function from periph common. | |
| #define | PERIPH_I2C_NEED_WRITE_REG |
| Use write reg function from periph common. | |
| #define | PERIPH_I2C_NEED_READ_REGS |
| Use read regs function from periph common. | |
| #define | PERIPH_I2C_NEED_WRITE_REGS |
| Use write regs function from periph common. | |
WDT upper and lower bound times in ms | |
| #define | NWDT_TIME_LOWER_LIMIT (1) |
| #define | NWDT_TIME_UPPER_LIMIT ((UINT32_MAX >> 15) * MS_PER_SEC + 1) |
