[sky9x] Issue 142 fixed

[sky9x] Tada was cut
[sky9x] Issue 99 fixed
[sky9x / gruvin9x] Menu popup has now a scrollbar on the right
[sky9x] WDT was not working at all

src/sky9x/debug.cpp

@@ -82,6 +82,49 @@ void dump(unsigned char *data, unsigned int size)
  debugPuts("\n\r");
 }
 
+/**
+ * Configures a UART peripheral with the specified parameters.
+ *
+ * baudrate  Baudrate at which the UART should operate (in Hz).
+ * masterClock  Frequency of the system master clock (in Hz).
+ * uses PA9 and PA10, RXD2 and TXD2
+ */
+void DEBUG_UART_Configure( uint32_t baudrate, uint32_t masterClock)
+{
+  register Uart *pUart = CONSOLE_USART;
+
+  /* Configure PIO */
+  configure_pins( (PIO_PA9 | PIO_PA10), PIN_PERIPHERAL | PIN_INPUT | PIN_PER_A | PIN_PORTA | PIN_NO_PULLUP ) ;
+
+  /* Configure PMC */
+  PMC->PMC_PCER0 = 1 << CONSOLE_ID;
+
+  /* Reset and disable receiver & transmitter */
+  pUart->UART_CR = UART_CR_RSTRX | UART_CR_RSTTX
+                 | UART_CR_RXDIS | UART_CR_TXDIS;
+
+  /* Configure mode */
+  pUart->UART_MR =  0x800 ;  // NORMAL, No Parity
+
+  /* Configure baudrate */
+  /* Asynchronous, no oversampling */
+  pUart->UART_BRGR = (masterClock / baudrate) / 16;
+
+  /* Disable PDC channel */
+  pUart->UART_PTCR = UART_PTCR_RXTDIS | UART_PTCR_TXTDIS;
+
+  /* Enable receiver and transmitter */
+  pUart->UART_CR = UART_CR_RXEN | UART_CR_TXEN;
+  pUart->UART_IER = UART_IER_RXRDY ;
+  NVIC_EnableIRQ(UART0_IRQn) ;
+}
+
+void DEBUG_UART_Stop()
+{
+  CONSOLE_USART->UART_IDR = UART_IDR_RXRDY ;
+  NVIC_DisableIRQ(UART0_IRQn) ;
+}
+
 Fifo32 debugFifo;
 
 extern "C" void UART0_IRQHandler()
@@ -89,7 +132,6 @@ extern "C" void UART0_IRQHandler()
   debugFifo.push(CONSOLE_USART->UART_RHR);
 }
 
-
 void debugTask(void* pdata)
 {
   uint8_t rxchar ;