CryptoAuthLib
Microchip CryptoAuthentication Library
hal_samd21_i2c_asf.h
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1 
30 #ifndef HAL_SAMD21_I2C_ASF_H_
31 #define HAL_SAMD21_I2C_ASF_H_
32 
33 #include <asf.h>
34 
44 #define MAX_I2C_BUSES 6 // SAMD21 has up to 6 SERCOMS that can be configured as I2C
45 
48 typedef struct atcaI2Cmaster
49 {
50  Sercom* i2c_sercom;
51  struct i2c_master_module i2c_master_instance;
52  int ref_ct;
53  // for conveniences during interface release phase
54  int bus_index;
56 
57 void change_i2c_speed(ATCAIface iface, uint32_t speed);
58 
60 #endif /* HAL_SAMD21_I2C_ASF_H_ */
int ref_ct
Definition: hal_at90usb1287_i2c_asf.h:52
void change_i2c_speed(ATCAIface iface, uint32_t speed)
method to change the bus speed of I2C
Definition: hal_at90usb1287_i2c_asf.c:374
int speed
Definition: hal_linux_kit_cdc.c:61
volatile void * i2c_master_instance
Definition: hal_at90usb1287_i2c_asf.h:51
Sercom * i2c_sercom
Definition: hal_samd21_i2c_asf.h:50
int bus_index
for conveniences during interface release phase
Definition: hal_at90usb1287_i2c_asf.h:53
atca_iface is the C object backing ATCAIface. See the atca_iface.h file for details on the ATCAIface ...
Definition: atca_iface.h:129
this is the hal_data for ATCA HAL created using ASF
Definition: hal_at90usb1287_i2c_asf.h:49
struct atcaI2Cmaster ATCAI2CMaster_t
this is the hal_data for ATCA HAL for ASF SERCOM