更新EsptouchForIOS

2020-06-10 20:27:25 +08:00
parent 1f69653c19
commit b8d6ad08ea
42 changed files with 1625 additions and 853 deletions
@@ -0,0 +1,61 @@
+//
+//  ESP_CRC8.h
+//  EspTouchDemo
+//
+//  Created by fby on 3/23/15.
+//  Copyright (c) 2015 fby. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#define CRC_POLYNOM 0x8c
+
+#define CRC_INITIAL 0x00
+
+// the interface is copied from the interface Checksum from Java
+@interface ESP_CRC8 : NSObject
+
+/**
+ * Returns the current calculated checksum value.
+ *
+ * @return the checksum.
+ */
+- (long)getValue;
+
+/**
+ * Resets the checksum value applied before beginning calculations on a new
+ * stream of data.
+ */
+- (void)reset;
+
+/**
+ * Updates the checksum with the given bytes.
+ *
+ * @param buf
+ *            the byte array from which to read the bytes.
+ * @param off
+ *            the initial position in {@code buf} to read the bytes from.
+ * @param nbytes
+ *            the number of bytes to read from {@code buf}.
+ */
+- (void)updateWithBuf:(Byte[])buf Off:(int)off Nbytes:(int)nbytes;
+
+/**
+ * Updates the checksum with the given bytes.
+ *
+ * @param buf
+ *            the byte array from which to read the bytes.
+ * @param nbytes
+ *            the number of bytes to read from {@code buf}.
+ */
+- (void)updateWithBuf:(Byte [])buf Nbytes:(int)nbytes;
+
+/**
+ * Updates the checksum value with the given byte.
+ *
+ * @param value
+ *            the byte to update the checksum with.
+ */
+- (void)updateWithValue:(int)value;
+
+@end