void serial_baud(serial_t *obj, int baudrate) {
PHAL_RUART_ADAPTER pHalRuartAdapter;
PHAL_RUART_OP pHalRuartOp;
pHalRuartAdapter = &(obj->hal_uart_adp);
pHalRuartOp = &(obj->hal_uart_op);
pHalRuartAdapter->BaudRate = baudrate;
pHalRuartOp->HalRuartInit(pHalRuartAdapter);
}
void serial_init(serial_t *obj, PinName tx, PinName rx)
{
uint32_t uart_tx, uart_rx;
uint32_t uart_sel;
uint8_t uart_idx;
PHAL_RUART_OP pHalRuartOp;
PHAL_RUART_ADAPTER pHalRuartAdapter;
// Determine the UART to use (UART0, UART1, or UART3)
uart_tx = pinmap_peripheral(tx, PinMap_UART_TX);
uart_rx = pinmap_peripheral(rx, PinMap_UART_RX);
uart_sel = pinmap_merge(uart_tx, uart_rx);
uart_idx = RTL_GET_PERI_IDX(uart_sel);
if (unlikely(uart_idx == (uint8_t)NC)) {
DBG_UART_ERR("%s: Cannot find matched UART\n", __FUNCTION__);
return;
}
pHalRuartOp = &(obj->hal_uart_op);
pHalRuartAdapter = &(obj->hal_uart_adp);
if ((NULL == pHalRuartOp) || (NULL == pHalRuartAdapter)) {
DBG_UART_ERR("%s: Allocate Adapter Failed\n", __FUNCTION__);
return;
}
HalRuartOpInit((VOID*)pHalRuartOp);
pHalRuartOp->HalRuartAdapterLoadDef(pHalRuartAdapter, uart_idx);
pHalRuartAdapter->PinmuxSelect = RTL_GET_PERI_SEL(uart_sel);
pHalRuartAdapter->BaudRate = 9600;
// Configure the UART pins
// TODO:
// pinmap_pinout(tx, PinMap_UART_TX);
// pinmap_pinout(rx, PinMap_UART_RX);
// pin_mode(tx, PullUp);
// pin_mode(rx, PullUp);
pHalRuartOp->HalRuartInit(pHalRuartAdapter);
pHalRuartOp->HalRuartRegIrq(pHalRuartAdapter);
pHalRuartOp->HalRuartIntEnable(pHalRuartAdapter);
#ifdef CONFIG_MBED_ENABLED
// For stdio management
if (uart_idx == STDIO_UART) {
stdio_uart_inited = 1;
memcpy(&stdio_uart, obj, sizeof(serial_t));
}
#endif
}
void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
{
PHAL_RUART_ADAPTER pHalRuartAdapter;
PHAL_RUART_OP pHalRuartOp;
pHalRuartAdapter = &(obj->hal_uart_adp);
pHalRuartOp = &(obj->hal_uart_op);
if (data_bits == 8) {
pHalRuartAdapter->WordLen = RUART_WLS_8BITS;
} else {
pHalRuartAdapter->WordLen = RUART_WLS_7BITS;
}
switch (parity) {
case ParityOdd:
case ParityForced0:
pHalRuartAdapter->Parity = RUART_PARITY_ENABLE;
pHalRuartAdapter->ParityType = RUART_ODD_PARITY;
break;
case ParityEven:
case ParityForced1:
pHalRuartAdapter->Parity = RUART_PARITY_ENABLE;
pHalRuartAdapter->ParityType = RUART_EVEN_PARITY;
break;
default: // ParityNone
pHalRuartAdapter->Parity = RUART_PARITY_DISABLE;
break;
}
if (stop_bits == 1) {
pHalRuartAdapter->StopBit = RUART_1_STOP_BIT;
} else {
pHalRuartAdapter->StopBit = RUART_NO_STOP_BIT;
}
pHalRuartOp->HalRuartInit(pHalRuartAdapter);
}