update pmod and arduino bsp based on new bits (#622)

pynq/lib/arduino/bsp_iop_arduino/iop_arduino_mb/include/xparameters.h

@@ -1005,7 +1005,7 @@
 #define XPAR_IOP_ARDUINO_UARTLITE_BASEADDR 0x40600000
 #define XPAR_IOP_ARDUINO_UARTLITE_HIGHADDR 0x4060FFFF
 #define XPAR_IOP_ARDUINO_UARTLITE_DEVICE_ID 0
-#define XPAR_IOP_ARDUINO_UARTLITE_BAUDRATE 115200
+#define XPAR_IOP_ARDUINO_UARTLITE_BAUDRATE 9600
 #define XPAR_IOP_ARDUINO_UARTLITE_USE_PARITY 0
 #define XPAR_IOP_ARDUINO_UARTLITE_ODD_PARITY 0
 #define XPAR_IOP_ARDUINO_UARTLITE_DATA_BITS 8
@@ -1017,7 +1017,7 @@
 #define XPAR_UARTLITE_0_DEVICE_ID XPAR_IOP_ARDUINO_UARTLITE_DEVICE_ID
 #define XPAR_UARTLITE_0_BASEADDR 0x40600000
 #define XPAR_UARTLITE_0_HIGHADDR 0x4060FFFF
-#define XPAR_UARTLITE_0_BAUDRATE 115200
+#define XPAR_UARTLITE_0_BAUDRATE 9600
 #define XPAR_UARTLITE_0_USE_PARITY 0
 #define XPAR_UARTLITE_0_ODD_PARITY 0
 #define XPAR_UARTLITE_0_DATA_BITS 8

pynq/lib/pmod/bsp_iop_pmod/iop_pmoda_mb/include/uart.h

@@ -53,7 +53,7 @@
 
 #include <xparameters.h>
 
-#ifdef XPAR_XUART_NUM_INSTANCES
+#ifdef XPAR_XUARTLITE_NUM_INSTANCES
 
 /* 
  * UART API
@@ -61,9 +61,9 @@
 typedef int uart;
 
 uart uart_open_device(unsigned int device);
-uart uart_open(unsigned int tx, unsigned int int rx);
-void uart_read(uart dev_id, char* read_data, unsigned int length);
-void uart_write(uart dev_id, char* write_data, unsigned int length);
+uart uart_open(unsigned int tx, unsigned int rx);
+void uart_read(uart dev_id, unsigned char* read_data, unsigned int length);
+void uart_write(uart dev_id, unsigned char* write_data, unsigned int length);
 void uart_close(uart dev_id);
 unsigned int uart_get_num_devices(void);