static rstatus_t
dmsg_to_gossip(struct ring_msg *rmsg)
{
CBUF_Push(C2G_InQ, rmsg);
return DN_OK;
}
int32_t uart5_putchar(char c)
{
CBUF_Push(uart5_putbuf, c); //push the byte into circular buffer
UART5->CR1 |= _BV(TXEIE5); //re-enable interrupt (or just enable)
return c;
}
int32_t uart5_putstr(char *str)
{
char * str2 = str;
while(*str != 0)
CBUF_Push(uart5_putbuf, *str++);
UART5->CR1 |= _BV(TXEIE5); //re-enable interrupt (or just enable)
return (str-str2);
}
static rstatus_t
gossip_ring_msg_to_core(struct server_pool *sp, struct ring_msg *msg, void *cb)
{
msg->cb = cb;
msg->sp = sp;
CBUF_Push(C2G_OutQ, msg);
return DN_OK;
}
int32_t uart5_putdata(char *data, int32_t size)
{
int32_t size2 = size;
while(size--)
CBUF_Push(uart5_putbuf, *data++);
UART5->CR1 |= _BV(TXEIE5); //re-enable interrupt (or just enable)
return size2;
}
static rstatus_t
stats_msg_to_core(stats_cmd_t cmd, void *cb, void *post_cb)
{
struct stat_msg *msg = dn_alloc(sizeof(*msg));
msg->cmd = cmd;
msg->data = NULL;
msg->cb = cb;
msg->post_cb = post_cb;
CBUF_Push(C2S_OutQ, msg);
return DN_OK;
}
static rstatus_t
gossip_msg_to_core(struct server_pool *sp, struct node *node, void *cb)
{
struct ring_msg *msg = create_ring_msg();
struct node *rnode = (struct node *) array_get(&msg->nodes, 0);
node_copy(node, rnode);
msg->cb = cb;
msg->sp = sp;
CBUF_Push(C2G_OutQ, msg);
return DN_OK;
}
void UART5_IRQHandler(void)
{
char c;
//figure out which flag triggered the interrupt
uint32_t status = UART5->SR;
if (status & _BV(RXNE5)) //received a byte
{
c = UART5->DR;
CBUF_Push(uart5_getbuf, c);
}
else if (status & _BV(ORE5)) //this is a weird condition when another byte came in
c = UART5->DR; //at exact moment of reading DR, causing ORE, but not RXNE
if (status & _BV(TXE5)) //transmit buffer is empty
{
if (!CBUF_IsEmpty(uart5_putbuf))
UART5->DR = CBUF_Pop(uart5_putbuf); //push next character
else
UART5->CR1 &= ~(_BV(TXEIE5)); // Disable interrupt
}
}
