diff --git a/driver/inc/reg/uart_reg.h b/driver/inc/reg/uart_reg.h
index 47714d4..e84b43d 100644
--- a/driver/inc/reg/uart_reg.h
+++ b/driver/inc/reg/uart_reg.h
@@ -148,6 +148,28 @@
 #define UART_UARTDMACR_TXDMAE   (1 << 1U)
 #define UART_UARTDMACR_DMAONERR (1 << 2U)
 
+typedef struct {
+    io_rw_32 dr;
+    io_rw_32 rsr;
+    uint32_t _pad0[4];
+    io_rw_32 fr;
+    uint32_t _pad1;
+    io_rw_32 ilpr;
+    io_rw_32 ibrd;
+    io_rw_32 fbrd;
+    io_rw_32 lcr_h;
+    io_rw_32 cr;
+    io_rw_32 ifls;
+    io_rw_32 imsc;
+    io_rw_32 ris;
+    io_rw_32 mis;
+    io_rw_32 icr;
+    io_rw_32 dmacr;
+} uart_hw_t;
+
+#define uart0_hw ((uart_hw_t *const)UART0_BASE)
+#define uart1_hw ((uart_hw_t *const)UART1_BASE)
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/driver/inc/uart.h b/driver/inc/uart.h
index 88cc87f..8265048 100644
--- a/driver/inc/uart.h
+++ b/driver/inc/uart.h
@@ -74,6 +74,8 @@ void uart_init(uint8_t uart_id, struct uart_cfg_s *cfg);
 void uart_set_baudrate(uint8_t uart_id, uint32_t src_clk, uint32_t baudrate);
 uint32_t uart_get_flags(uint8_t uart_id);
 void uart_write_block(uint8_t uart_id, uint8_t *data, uint32_t length);
+int uart_put_char(uint8_t uart_id, uint8_t c);
+int uart_get_char(uint8_t uart_id);
 
 uint32_t uart_int_get_raw_status(uint8_t uart_id);
 uint32_t uart_int_get_status(uint8_t uart_id);
diff --git a/driver/src/uart.c b/driver/src/uart.c
index f46b021..4a2543a 100644
--- a/driver/src/uart.c
+++ b/driver/src/uart.c
@@ -132,6 +132,32 @@ void uart_write_block(uint8_t uart_id, uint8_t *data, uint32_t length)
     }
 }
 
+int uart_put_char(uint8_t uart_id, uint8_t c)
+{
+    uint32_t addr;
+
+    if (uart_get_flags(UART_ID_0) & UART_FLAG_TXFF) {
+        return -1;
+    }
+    addr = UART0_BASE + UART_UARTDR_OFFSET + (UART1_BASE - UART0_BASE) * uart_id;
+    putreg32(c, addr);
+    return (int)c;
+}
+
+int uart_get_char(uint8_t uart_id)
+{
+    uint32_t addr, val;
+
+    if (uart_get_flags(UART_ID_0) & UART_FLAG_RXFE) {
+        return -1;
+    }
+    addr = UART0_BASE + UART_UARTDR_OFFSET + (UART1_BASE - UART0_BASE) * uart_id;
+    val = getreg32(addr);
+    val &= UART_UARTDR_DATA_MASK;
+    val >>= UART_UARTDR_DATA_POS;
+    return (int)val;
+}
+
 uint32_t uart_int_get_raw_status(uint8_t uart_id)
 {
     uint32_t addr, val;