CryptoAuthLib
Microchip CryptoAuthentication Library
|
ATCA Hardware abstraction layer for Linux using I2C. More...
#include <linux/i2c-dev.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "atca_hal.h"
#include "hal_linux_i2c_userspace.h"
Functions | |
ATCA_STATUS | hal_i2c_discover_buses (int i2c_buses[], int max_buses) |
discover i2c buses available for this hardware this maintains a list of logical to physical bus mappings freeing the application of the prior knowledge More... | |
ATCA_STATUS | hal_i2c_discover_devices (int bus_num, ATCAIfaceCfg cfg[], int *found) |
discover any CryptoAuth devices on a given logical bus number More... | |
ATCA_STATUS | hal_i2c_init (void *hal, ATCAIfaceCfg *cfg) |
initialize an I2C interface using given config More... | |
ATCA_STATUS | hal_i2c_post_init (ATCAIface iface) |
HAL implementation of I2C post init. More... | |
ATCA_STATUS | hal_i2c_send (ATCAIface iface, uint8_t *txdata, int txlength) |
HAL implementation of I2C send over ASF. More... | |
ATCA_STATUS | hal_i2c_receive (ATCAIface iface, uint8_t *rxdata, uint16_t *rxlength) |
HAL implementation of I2C receive function for ASF I2C. More... | |
void | change_i2c_speed (ATCAIface iface, uint32_t speed) |
method to change the bus speed of I2C More... | |
ATCA_STATUS | hal_i2c_wake (ATCAIface iface) |
wake up CryptoAuth device using I2C bus More... | |
ATCA_STATUS | hal_i2c_idle (ATCAIface iface) |
idle CryptoAuth device using I2C bus More... | |
ATCA_STATUS | hal_i2c_sleep (ATCAIface iface) |
sleep CryptoAuth device using I2C bus More... | |
ATCA_STATUS | hal_i2c_release (void *hal_data) |
manages reference count on given bus and releases resource if no more refences exist More... | |
Variables | |
ATCAI2CMaster_t * | i2c_hal_data [MAX_I2C_BUSES] |
int | i2c_bus_ref_ct = 0 |
ATCA Hardware abstraction layer for Linux using I2C.