static void *printer(void *arg)
{
(void)arg;
msg_t msg;
msg_t msg_queue[8];
msg_init_queue(msg_queue, 8);
while (1) {
msg_receive(&msg);
int dev = (int)msg.content.value;
char c;
printf("UART_DEV(%i) RX: ", dev);
do {
c = (int)ringbuffer_get_one(&(ctx[dev].rx_buf));
if (c == 0) {
puts("");
}
else if (c >= ' ' && c <= '~') {
printf("%c", c);
}
else {
printf("0x%02x", (unsigned char)c);
}
} while (c != 0);
}
/* this should never be reached */
return NULL;
}
void UART_2_ISR(void)
{
/* Check for RX data valid interrupt */
if(UART_2_DEV->STATUS & LEUART_STATUS_RXDATAV) {
/* Copy data into RX Buffer */
uint8_t rxData = LEUART_Rx(UART_2_DEV);
irq_read(UART_2, rxData);
}
/* Check TX buffer level status */
if(UART_2_DEV->IF & LEUART_IF_TXBL & UART_2_DEV->IEN) {
#if UART_2_ENABLE_BUF
int data = ringbuffer_get_one(&rb_uart2);
if(-1 != data) {
/* Avoid deadlock if modifying the same register twice when freeze mode is */
/* activated. */
if(!(UART_2_DEV->FREEZE & LEUART_FREEZE_REGFREEZE)) {
/* Wait for any pending previous write operation to have been completed */
/* in low frequency domain */
while(UART_2_DEV->SYNCBUSY & LEUART_SYNCBUSY_TXDATA)
;;
}
/* Write data to TX register */
UART_2_DEV->TXDATA = (uint32_t)data;
} else {
LEUART_IntDisable(UART_2_DEV, LEUART_IF_TXBL);
}
#endif
}
if(sched_context_switch_request) {
thread_yield();
}
}
void usbdev_acm_evt_out(usbdev_t *dev)
{
usbdev_ops_t *driver = dev->driver;
size_t l = driver->read_ep(ENDPOINT_ADDR_OUT(USBDEV_ACM_EP_BULKOUT),
rec_buffer, USBDEV_ACM_EP_PACKET_SIZE);
ringbuffer_add(&cdcacm_rx_rb, (char*)rec_buffer, l);
if (ucb_config.rx_cb != NULL) {
int retval = ringbuffer_get_one(&cdcacm_rx_rb);
while (retval != -1) {
ucb_config.rx_cb(ucb_config.arg, (char)retval);
retval = ringbuffer_get_one(&cdcacm_rx_rb);
}
}
}
int _slip_tx_cb(void *arg)
{
if (_SLIP_DEV(arg)->out_buf->avail > 0) {
char c = (char)ringbuffer_get_one(_SLIP_DEV(arg)->out_buf);
uart_write((uart_t)(_SLIP_DEV(arg)->uart), c);
return 1;
}
return 0;
}
int tx(void *ptr)
{
char data;
if (tx_buf.avail > 0) {
data = ringbuffer_get_one(&tx_buf);
uart_write(DEV, data);
return 1;
}
return 0;
}
void UART_1_TX_ISR(void)
{
/* Check TX buffer level status */
if(UART_1_DEV->STATUS & UART_STATUS_TXBL) {
int data = ringbuffer_get_one(&rb_uart1);
if(-1 != data) {
/* Write data to buffer */
UART_1_DEV->TXDATA = (uint32_t)data;
} else {
USART_IntDisable(UART_1_DEV, USART_IF_TXBL);
}
}
if(sched_context_switch_request) {
thread_yield();
}
}
static void assert_get_one(int assumed_result)
{
int actual_result = ringbuffer_get_one(&rb);
TEST_ASSERT_EQUAL_INT(assumed_result, actual_result);
}