updated sha1

[avr-crypto-lib.git] / test_src / cli.c

diff --git a/test_src/cli.c b/test_src/cli.c
index 12f4a0a528e74c6539280f2135ae44c1e4fb6811..68d6cf6fbbbdff3ff8895841da5d44b4e82c7922 100644 (file)
--- a/test_src/cli.c
+++ b/test_src/cli.c
@@ -34,6 +34,7 @@
 #include "string-extras.h"
 #include "cli.h"
 #include "config.h"
+#include "hexdigit_tab.h"
 
 cli_rx_fpt cli_rx = NULL;
 cli_tx_fpt cli_tx = NULL;
@@ -126,34 +127,43 @@ uint8_t cli_getsn(char* s, uint16_t n){
  * will have 2*n continous hexadecimal characters.
  */
 void cli_hexdump(void* data, uint16_t length){
-       char hex_tab[] = {'0', '1', '2', '3', 
-                         '4', '5', '6', '7', 
-                                         '8', '9', 'A', 'B', 
-                                         'C', 'D', 'E', 'F'};
        if(!cli_tx)
                return;
        while(length--){
-               cli_tx(hex_tab[(*((uint8_t*)data))>>4]);
-               cli_tx(hex_tab[(*((uint8_t*)data))&0xf]);
+               cli_tx(pgm_read_byte(hexdigit_tab_P +((*((uint8_t*)data))>>4)));
+               cli_tx(pgm_read_byte(hexdigit_tab_P +((*((uint8_t*)data))&0xf)));
                data = (uint8_t*)data +1;
        }
 }
 
+/**
+ * \brief dumps the contents of a buffer to the console
+ * This function behaves like cli_hexdump except that the
+ * bytes are dumped in reverse order. This is usefull to dump
+ * integers which ar e in little endian order.
+ */
+void cli_hexdump_rev(void* data, uint16_t length){
+       if(!cli_tx)
+               return;
+       data = (uint8_t*)data + length -1;
+       while(length--){
+               cli_tx(pgm_read_byte(hexdigit_tab_P +((*((uint8_t*)data))>>4)));
+               cli_tx(pgm_read_byte(hexdigit_tab_P +((*((uint8_t*)data))&0xf)));
+               data = (uint8_t*)data -1;
+       }
+}
+
 /**
  * \brief dumps the contents of a buffer to the console
  * Like cli_hexdump but bytes are seperated with a single space
  * on the console output.
  */
 void cli_hexdump2(void* data, uint16_t length){
-       char hex_tab[] = {'0', '1', '2', '3', 
-                         '4', '5', '6', '7', 
-                                         '8', '9', 'A', 'B', 
-                                         'C', 'D', 'E', 'F'};
        if(!cli_tx)
                return;
        while(length--){
-               cli_tx(hex_tab[(*((uint8_t*)data))>>4]);
-               cli_tx(hex_tab[(*((uint8_t*)data))&0xf]);
+               cli_tx(pgm_read_byte(hexdigit_tab_P +((*((uint8_t*)data))>>4)));
+               cli_tx(pgm_read_byte(hexdigit_tab_P +((*((uint8_t*)data))&0xf)));
                cli_tx(' ');
                data = (uint8_t*)data +1;
        }
@@ -193,7 +203,7 @@ void cli_auto_help(uint16_t maxcmdlength, PGM_VOID_P cmdlist){
                                cli_putstr_P(PSTR(" \t- 0x"));
                        }
                }
-               cli_hexdump(&item.cmd_function, 2);     
+               cli_hexdump_rev(&item.cmd_function, 2); 
                cli_putstr_P(PSTR("\r\n"));
        }
 }