int main(void)
{
//! [init]
system_clock_config(CLOCK_RESOURCE_XO_26_MHZ, CLOCK_FREQ_26_MHZ);
configure_i2c_slave();
//! [packet]
struct i2c_slave_packet packet = {
.data_length = DATA_LENGTH,
.data = write_buffer,
};
//! [packet]
//! [init]
//! [while]
while (true) {
packet.data = read_buffer;
i2c_slave_read_packet_wait(&i2c_slave_instance, &packet);
packet.data = write_buffer;
i2c_slave_write_packet_wait(&i2c_slave_instance, &packet);
}
//! [while]
}
int main(void)
{
system_init();
//! [run_initialize_i2c]
//! [config]
configure_i2c_slave();
//! [config]
//! [dir]
enum i2c_slave_direction dir;
//! [dir]
//! [pack]
struct i2c_slave_packet packet = {
.data_length = DATA_LENGTH,
.data = buffer,
};
//! [pack]
//! [run_initialize_i2c]
//! [while]
while (true) {
/* Wait for direction from master */
//! [get_dir]
dir = i2c_slave_get_direction_wait(&i2c_slave_instance);
//! [get_dir]
/* Transfer packet in direction requested by master */
//! [transfer]
if (dir == I2C_SLAVE_DIRECTION_READ) {
i2c_slave_read_packet_wait(&i2c_slave_instance, &packet);
} else if (dir == I2C_SLAVE_DIRECTION_WRITE) {
i2c_slave_write_packet_wait(&i2c_slave_instance, &packet);
}
//! [transfer]
}
//! [while]
}
