/*
* @brief print out the string in parameter over serial. Serial COM must first be initialized.
*/
void faultPrintSerial(const char *string) {
int i, j, len;
len = strlen(string);
for (i = 0; i < len; i++) {
// Block until UART buffer has more room
while (!MAP_UARTSpaceAvail(UART0_BASE));
MAP_UARTCharPutNonBlocking(UART0_BASE, string[i]);
if (string[i] == '\n') {
while (!MAP_UARTSpaceAvail(UART0_BASE));
MAP_UARTCharPutNonBlocking(UART0_BASE, '\r');
}
}
}
void mgos_uart_hal_dispatch_tx_top(struct mgos_uart_state *us) {
struct cc32xx_uart_state *ds = (struct cc32xx_uart_state *) us->dev_data;
struct mbuf *txb = &us->tx_buf;
size_t len = 0;
while (len < txb->len && MAP_UARTSpaceAvail(ds->base)) {
HWREG(ds->base + UART_O_DR) = *(txb->buf + len);
len++;
}
mbuf_remove(txb, len);
us->stats.tx_bytes += len;
MAP_UARTIntClear(ds->base, UART_TX_INTS);
}
//--------------------------------
void esp8266::OnTransmit() {
if (m_nTxHead != m_nTxFill) {
MAP_IntDisable(UART_INT);
while (MAP_UARTSpaceAvail(UART_BASE) && (m_nTxHead != m_nTxFill)) {
m_nTxHead = ((m_nTxHead + 1) % OutputBufferSize);
MAP_UARTCharPutNonBlocking(UART_BASE, m_cOutput[m_nTxHead]);
}
MAP_IntEnable(UART_INT);
}
if (m_nTxHead == m_nTxFill) {
MAP_UARTIntDisable(UART_BASE, UART_INT_TX);
}
}
STATIC mp_uint_t pyb_uart_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
pyb_uart_obj_t *self = self_in;
mp_uint_t ret;
if (request == MP_IOCTL_POLL) {
mp_uint_t flags = arg;
ret = 0;
if ((flags & MP_IOCTL_POLL_RD) && uart_rx_any(self)) {
ret |= MP_IOCTL_POLL_RD;
}
if ((flags & MP_IOCTL_POLL_WR) && MAP_UARTSpaceAvail(self->reg)) {
ret |= MP_IOCTL_POLL_WR;
}
} else {
*errcode = EINVAL;
ret = MP_STREAM_ERROR;
}
return ret;
}
void
HardwareSerial::primeTransmit(unsigned long ulBase)
{
/* Do we have any data to transmit? */
if(!TX_BUFFER_EMPTY) {
/* Disable the UART interrupt. If we don't do this there is a race
* condition which can cause the read index to be corrupted. */
MAP_IntDisable(g_ulUARTInt[uartModule]);
/* Yes - take some characters out of the transmit buffer and feed
* them to the UART transmit FIFO. */
while(!TX_BUFFER_EMPTY){
while(MAP_UARTSpaceAvail(ulBase) && !TX_BUFFER_EMPTY){
MAP_UARTCharPutNonBlocking(ulBase, txBuffer[txReadIndex]);
txReadIndex = (txReadIndex + 1) % txBufferSize;
}
}
/* Reenable the UART interrupt */
MAP_IntEnable(g_ulUARTInt[uartModule]);
}
}
