Index: ADuCM360_demo_cn0359/src/hal/syscalls.cpp
===================================================================
diff -u -r8d80f35bf88694bd50d769b9bab31db8364a9004 -rb39d7f18a4f5f23a76b7fb484c13bffd225ef466
--- ADuCM360_demo_cn0359/src/hal/syscalls.cpp	(.../syscalls.cpp)	(revision 8d80f35bf88694bd50d769b9bab31db8364a9004)
+++ ADuCM360_demo_cn0359/src/hal/syscalls.cpp	(.../syscalls.cpp)	(revision b39d7f18a4f5f23a76b7fb484c13bffd225ef466)
@@ -46,12 +46,17 @@
 #include <cstring>
 #include <errno.h>
 #include <hal/drivers/flash.h>
+
+#ifdef EVAL_BUILD
 #include <hal/drivers/lcd.h>
+#endif // EVAL_BUILD
+
 #include <hal/drivers/uart.h>
 #include <hal/drivers/dac.h>
 #include <hal/drivers/adc.h>
 #include <hal/drivers/pwm.h>
 #include <hal/drivers/ad8253.h>
+#include <hal/drivers/calibration.h>
 
 #ifdef __cplusplus
 extern "C"
@@ -70,12 +75,18 @@
   while (0)
 
 #define UART_HANDLE (0x20)
+
+#ifdef EVAL_BUILD
 #define LCD_HANDLE (0x21)
+#endif // EVAL_BUILD
+
 #define FLASH_HANDLE (0x22)
 #define DAC_HANDLE (0x23)
 #define ADC_HANDLE (0x24)
 #define PWM_HANDLE (0x25)
 #define AD8253_HANDLE (0x26)
+#define CAL_HANDLE (0x27)
+#define SER_HANDLE (0x28)
 
 ssize_t _read(int fd, void *buf, size_t count)
 {
@@ -87,6 +98,12 @@
 	case FLASH_HANDLE:
 		return flash_read(buf, count);
 		break;
+	case CAL_HANDLE:
+		return cal_read(buf, count);
+		break;
+	case SER_HANDLE:
+		return ser_read(buf, count);
+		break;
 	case DAC_HANDLE:
 		return dac_read(buf, count);
 		break;
@@ -98,7 +115,11 @@
 		break;
 	case AD8253_HANDLE:
 		return ad8253_read(buf, count);
+
+#ifdef EVAL_BUILD
 	case LCD_HANDLE:
+#endif // EVAL_BUILD
+
 	case STDOUT_FILENO:
 	case STDERR_FILENO:
 	default:
@@ -111,12 +132,22 @@
 off_t _lseek(int fd, off_t offset, int whence)
 {
 	switch (fd) {
+
+#ifdef EVAL_BUILD
 	case LCD_HANDLE:
 		return lcd_tty_lseek(offset, whence);
 		break;
+#endif // EVAL_BUILD
+
 	case FLASH_HANDLE:
 		return flash_lseek(offset, whence);
 		break;
+	case CAL_HANDLE:
+		return cal_lseek(offset, whence);
+		break;
+	case SER_HANDLE:
+		return ser_lseek(offset, whence);
+		break;
 	case DAC_HANDLE:
 		return dac_lseek(offset, whence);
 		break;
@@ -146,12 +177,22 @@
 ssize_t _write(int fd, const void *buf, size_t count)
 {
 	switch (fd) {
+
+#ifdef EVAL_BUILD
 	case LCD_HANDLE:
 		return lcd_tty_write(buf, count);
 		break;
+#endif // EVAL_BUILD
+
 	case FLASH_HANDLE:
 		return flash_write(buf, count);
 		break;
+	case CAL_HANDLE:
+		return cal_write(buf, count);
+		break;
+	case SER_HANDLE:
+		return ser_write(buf, count);
+		break;
 	case DAC_HANDLE:
 		return dac_write(buf, count);
 		break;
@@ -181,10 +222,13 @@
 
 int _open(const char *pathname, int flags)
 {
+
+#ifdef EVAL_BUILD
 	if (strcmp(pathname, "lcd") == 0) {
 		lcd_open();
 		return LCD_HANDLE;
 	}
+#endif // EVAL_BUILD
 
 	if (strcmp(pathname, "uart") == 0) {
 		uart_open();
@@ -196,6 +240,16 @@
 		return FLASH_HANDLE;
 	}
 
+	if (strcmp(pathname, "cal") == 0) {
+		cal_open();
+		return CAL_HANDLE;
+	}
+
+	if (strcmp(pathname, "ser") == 0) {
+		ser_open();
+		return SER_HANDLE;
+	}
+
 	if (strcmp(pathname, "dac") == 0) {
 		dac_open();
 		return DAC_HANDLE;