doc: dfu: describe more DFU function

[oweals/u-boot.git] / include / debug_uart.h

diff --git a/include/debug_uart.h b/include/debug_uart.h
index 6f0b0c5e1575a0fabd81cea633d6b3daad5a7e8a..4d1c58075cf0de33ed126582fe1d2d876353e8b4 100644 (file)
--- a/include/debug_uart.h
+++ b/include/debug_uart.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Early debug UART support
  *
  * (C) Copyright 2014 Google, Inc
  * Writte by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef _DEBUG_UART_H
@@ -89,21 +88,28 @@ void printascii(const char *str);
  *
  * @value:     Value to output
  */
-void printhex2(uint value);
+void printhex2(unsigned int value);
 
 /**
  * printhex4() - Output a 4-digit hex value
  *
  * @value:     Value to output
  */
-void printhex4(uint value);
+void printhex4(unsigned int value);
 
 /**
  * printhex8() - Output a 8-digit hex value
  *
  * @value:     Value to output
  */
-void printhex8(uint value);
+void printhex8(unsigned int value);
+
+/**
+ * printdec() - Output a decimalism value
+ *
+ * @value:     Value to output
+ */
+void printdec(unsigned int value);
 
 #ifdef CONFIG_DEBUG_UART_ANNOUNCE
 #define _DEBUG_UART_ANNOUNCE   printascii("<debug_uart> ");
@@ -145,32 +151,44 @@ void printhex8(uint value);
                        _printch(*str++); \
        } \
 \
-       static inline void printhex1(uint digit) \
+       static inline void printhex1(unsigned int digit) \
        { \
                digit &= 0xf; \
                _debug_uart_putc(digit > 9 ? digit - 10 + 'a' : digit + '0'); \
        } \
 \
-       static inline void printhex(uint value, int digits) \
+       static inline void printhex(unsigned int value, int digits) \
        { \
                while (digits-- > 0) \
                        printhex1(value >> (4 * digits)); \
        } \
 \
-       void printhex2(uint value) \
+       void printhex2(unsigned int value) \
        { \
                printhex(value, 2); \
        } \
 \
-       void printhex4(uint value) \
+       void printhex4(unsigned int value) \
        { \
                printhex(value, 4); \
        } \
 \
-       void printhex8(uint value) \
+       void printhex8(unsigned int value) \
        { \
                printhex(value, 8); \
        } \
+\
+       void printdec(unsigned int value) \
+       { \
+               if (value > 10) { \
+                       printdec(value / 10); \
+                       value %= 10; \
+               } else if (value == 10) { \
+                       _debug_uart_putc('1'); \
+                       value = 0; \
+               } \
+               _debug_uart_putc('0' + value); \
+       } \
 \
        void debug_uart_init(void) \
        { \