- Generated on Wed Oct 16 2019 00:00:35 by
1.8.13
I2C configuration options. More...
I2C configuration options.
Structure for I2C configuration data.
I2C (TWI) configuration options.
I2C configuration structure.
I2C configuration structure type.
I2C device configuration.
Definition at line 125 of file periph_cpu.h.
#include <periph_cpu.h>
Data Fields | |
| i2c_speed_t | speed |
| baudrate used for the bus More... | |
| gpio_t | scl_pin |
| pin used for SCL More... | |
| gpio_t | sda_pin |
| pin used for SDA More... | |
| I2C_TypeDef * | dev |
| USART device used. More... | |
| uint32_t | loc |
| location of I2C pins | |
| CMU_Clock_TypeDef | cmu |
| the device CMU channel | |
| IRQn_Type | irq |
| the devices base IRQ channel | |
| uint32_t | speed |
| the bus speed | |
| gpio_t | scl |
| GPIO used as SCL pin. | |
| gpio_t | sda |
| GPIO used as SDA pin. | |
| I2C_Type * | i2c |
| Pointer to hardware module registers. | |
| uint32_t | freq |
| I2C module clock frequency, usually CLOCK_BUSCLOCK or CLOCK_CORECLOCK. | |
| IRQn_Type | irqn |
| IRQ number for this module. | |
| uint32_t | scl_pcr |
| PORT module PCR setting for the SCL pin. | |
| uint32_t | sda_pcr |
| PORT module PCR setting for the SDA pin. | |
| NRF_TWI_Type * | dev |
| hardware device | |
| uint8_t | pin_scl |
| SCL pin. | |
| uint8_t | pin_sda |
| SDA pin. | |
| uint8_t | ppi |
| PPI channel to use. | |
| NRF_TWIM_Type * | dev |
| TWIM hardware device. | |
| uint8_t | scl |
| SCL pin. | |
| uint8_t | sda |
| SDA pin. | |
| SercomI2cm * | dev |
| pointer to the used I2C device | |
| gpio_mux_t | mux |
| alternate function (mux) | |
| uint8_t | gclk_src |
| GCLK source which supplys SERCOM. | |
| uint8_t | flags |
| allow SERCOM to run in standby mode | |
| gpio_af_t | scl_af |
| scl pin alternate function value | |
| gpio_af_t | sda_af |
| sda pin alternate function value | |
| uint8_t | bus |
| APB bus. | |
| uint32_t | rcc_mask |
| bit in clock enable register | |
| uint8_t | irqn |
| I2C event interrupt number. | |
| I2C_TypeDef * i2c_conf_t::dev |
| gpio_t i2c_conf_t::scl_pin |
pin used for SCL
scl pin number
used SCL pin
SCL GPIO pin.
Definition at line 127 of file periph_cpu.h.
| gpio_t i2c_conf_t::sda_pin |
pin used for SDA
sda pin number
used MOSI pin
SDA GPIO pin.
Definition at line 128 of file periph_cpu.h.
| i2c_speed_t i2c_conf_t::speed |
baudrate used for the bus
i2c bus speed
Bus speed.
bus speed
Configured bus speed, actual speed may be lower but never higher.
I2C bus speed.
Definition at line 126 of file periph_cpu.h.
1.8.13