[Schematic] Fix un-commited part.

[openi2cradio/OpenI2CRadio.git] / eeprom.h

diff --git a/eeprom.h b/eeprom.h
index 6dbb6bb..2e968eb 100644 (file)
--- a/eeprom.h
+++ b/eeprom.h
@@ -32,12 +32,28 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-
+/*
+ * Basic IO routine for EEPROM.
+ */
 extern unsigned char eeprom_readbyte(unsigned int offset);
 extern unsigned char eeprom_writebyte(unsigned int offset, unsigned char data);
+/*
+ * Calc checksum.
+ */
 extern unsigned int calcsum_byte(unsigned int seed, unsigned char byte);
 extern unsigned char checksum_eeprom(unsigned int seed, unsigned int offset, unsigned int bytes);
+/*
+ * Format EEPROM.
+ */
 extern unsigned int format_eeprom(unsigned int start, unsigned int bytes);
+/*
+ * Read/Write with checksum.
+ */
+extern unsigned int readword_eeprom(unsigned int *p, unsigned int *sum);
+extern unsigned char readbyte_eeprom(unsigned int *p, unsigned int *sum);
+extern unsigned int writeword_eeprom(unsigned int *p, unsigned int *sum, unsigned int word);
+extern unsigned int writebyte_eeprom(unsigned int *p, unsigned int *sum, unsigned char b);
+
 
 #ifdef __cplusplus
 }