diff --git a/flexpret b/flexpret
index 68af3ab..8f2b9a1 160000
--- a/flexpret
+++ b/flexpret
@@ -1 +1 @@
-Subproject commit 68af3ab60fa8c1f6504cb68e1d3e2aaae8678e51
+Subproject commit 8f2b9a12bef896138e60ec6d43ea29a7a1fac6be
diff --git a/programs/TCRS/sddUart/README.md b/programs/TCRS/sddUart/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/programs/TCRS/sddUart/receive.c b/programs/TCRS/sddUart/receive.c
new file mode 100644
index 0000000..a240377
--- /dev/null
+++ b/programs/TCRS/sddUart/receive.c
@@ -0,0 +1,32 @@
+
+#include <flexpret.h>
+#include <sdd_uart.h>
+#include <flexpret_stdio.h>
+
+#define RX_PIN 0
+#define RX_BAUD 115200
+#define RX_PORT 1
+
+static sdd_uart_config_t uart ={.initialized = false};
+void * t1(void * arg) {
+    uart.pin = RX_PIN;
+    uart.baud = RX_BAUD;
+    uart.port = RX_PORT;
+    uart.buf_size = 8;
+    sdd_uart_rx_run(&uart);
+}
+
+void main(void) {
+    if(read_coreid() == 0) {
+        thread_t tid1 = 1;
+        int errno = thread_map(true, &tid1, t1, 0);
+        assert(errno == 0);
+        while(!uart.initialized) {};
+        char byte;
+        while(true) {
+            if (sdd_uart_rx_receive(&uart, &byte) == FP_SUCCESS) {
+                print_int(byte);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/programs/TCRS/sddUart/transmit.c b/programs/TCRS/sddUart/transmit.c
new file mode 100644
index 0000000..cdabffd
--- /dev/null
+++ b/programs/TCRS/sddUart/transmit.c
@@ -0,0 +1,30 @@
+#include <flexpret_stdio.h>
+#include <flexpret_io.h>
+#include <flexpret_lock.h>
+#include <flexpret_thread.h>
+#include <flexpret_printer.h>
+
+#define UART_PIN 0
+#define UART_BAUD 270000
+#define UART_PORT 1
+
+
+void* t1(void * arg) {
+    fp_printer_config_t cfg = {
+        .port=UART_PORT, 
+        .pin=UART_PIN,
+        .baudrate=UART_BAUD
+    };
+    fp_printer_run(&cfg);
+}
+
+void main(void) {
+    if(read_coreid() == 0) {
+        thread_t tid = 1;
+
+        int errno = thread_map(true, &tid, t1, 0);
+        assert(errno == 0);
+
+        fp_printer_str("Hello World!\n");
+    }
+}
\ No newline at end of file
diff --git a/programs/print/print_intercore.c b/programs/print/print_intercore.c
index 5d7e6ad..fe36a18 100644
--- a/programs/print/print_intercore.c
+++ b/programs/print/print_intercore.c
@@ -6,8 +6,18 @@
 #include <flexpret_assert.h>
 #include <flexpret_noc.h>
 
+#define STDIO_UART_PIN 0
+#define STDIO_UART_BAUD 115200
+#define STDIO_UART_PORT 1
+
 void* t1(void* arg) {
-    fp_printer_run();
+    fp_printer_config_t cfg = {
+        .baudrate = STDIO_UART_BAUD,
+        .pin = STDIO_UART_PIN,
+        .port = STDIO_UART_PORT
+    };
+
+    fp_printer_run(&cfg);
 }
 
 void *t2(void *arg) {