AppNearMe Official
AppNearMe µNFC stack for the NXP PN532 chip License: You can use the stack free of charge to prototype with mbed; if you want to use the stack with your commercial product, get in touch!
Dependents: IOT_sensor_nfc AppNearMe_MuNFC_PN532_Test p2p_nfc_test NFCMoodLamp ... more
License
You can use the stack free of charge to prototype with mbed; if you want to use the stack with your commercial product, get in touch!
Diff: PN532/munfc/core/buffer.h
- Revision:
- 11:5be631376e5b
- Parent:
- 0:480387549d89
- Child:
- 3:0b949b2d3b55
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PN532/munfc/core/buffer.h Wed Nov 07 18:19:09 2012 +0000
@@ -0,0 +1,86 @@
+/*
+ buffer.h
+ Copyright (c) Donatien Garnier 2012
+ donatien.garnier@appnearme.com
+ http://www.appnearme.com/
+*/
+
+#ifndef BUFFER_H_
+#define BUFFER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "core/fwk.h"
+
+typedef struct __buffer
+{
+ uint8_t* bufdata;
+ size_t size;
+
+ uint8_t* start;
+ size_t first_byte_length; //In bits
+
+ uint8_t* end;
+ size_t last_byte_length; //In bits
+
+ struct __buffer* next;
+
+} buffer;
+
+void buffer_init(buffer* pBuf, uint8_t* bufdata, size_t size);
+
+void buffer_byref(buffer* pBuf, uint8_t* bufdata, size_t length); //New buffer by ref on a size_t array, no malloc (useful on PIC for instance)
+
+buffer* buffer_new(size_t size); //malloc
+
+uint8_t* buffer_data(buffer* pBuf);
+
+void buffer_reset(buffer* pBuf);
+
+size_t buffer_size(buffer* pBuf);
+
+size_t buffer_length(buffer* pBuf);
+
+bool buffer_empty(buffer* pBuf);
+
+void buffer_set_length(buffer* pBuf, size_t length);
+
+size_t buffer_last_byte_length(buffer* pBuf);
+
+void buffer_set_last_byte_length(buffer* pBuf, size_t length);
+
+size_t buffer_bits_count(buffer* pBuf);
+
+void buffer_write_byte(buffer* pBuf, uint8_t b);
+
+void buffer_write_bit(buffer* pBuf, uint8_t b);
+
+#if 0
+size_t buffer_read_byte(buffer* pBuf, uint8_t b);
+
+size_t buffer_read_bit(buffer* pBuf, uint8_t b);
+#endif
+
+buffer* buffer_next(buffer* pBuf);
+
+void buffer_set_next(buffer* pBuf, buffer* pNextBuf);
+
+void buffer_append(buffer* pBuf, buffer* pAppBuf);
+
+void buffer_unlink(buffer* pBuf, buffer* pLinkedBuf);
+
+size_t buffer_total_size(buffer* pBuf);
+
+size_t buffer_total_length(buffer* pBuf);
+
+void buffer_set_total_length(buffer* pBuf, size_t length);
+
+void buffer_free(buffer* pBuf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BUFFER_H_ */