static void transmit_task(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
uart_bridge_master_control *control = (uart_bridge_master_control *) arg;
rtems_chain_control *fifo = &control->transmit_fifo;
int fd = open(control->device_path, O_WRONLY);
assert(fd >= 0);
serial_settings(fd);
while (true) {
intercom_packet *packet = NULL;
sc = rtems_chain_get_with_wait(
fifo,
TRANSMIT_EVENT,
RTEMS_NO_TIMEOUT,
(rtems_chain_node **) &packet
);
assert(sc == RTEMS_SUCCESSFUL);
write(fd, packet->data, packet->size);
qoriq_intercom_free_packet(packet);
}
}
static void receive_task(rtems_task_argument arg)
{
uart_bridge_master_control *control = (uart_bridge_master_control *) arg;
intercom_type type = control->type;
int fd = open(control->device_path, O_RDONLY);
assert(fd >= 0);
serial_settings(fd);
while (true) {
intercom_packet *packet = qoriq_intercom_allocate_packet(
type,
INTERCOM_SIZE_64
);
ssize_t in = read(fd, packet->data, packet->size - 1);
if (in > 0) {
packet->size = (size_t) in;
qoriq_intercom_send_packet(QORIQ_UART_BRIDGE_SLAVE_CORE, packet);
} else {
qoriq_intercom_free_packet(packet);
}
}
}
static void mpci_return_packet(rtems_packet_prefix *prefix)
{
intercom_packet *packet = packet_of_prefix(prefix);
qoriq_intercom_free_packet(packet);
}
