samuel belete / Mbed 2 deprecated mcr20_wireless_uart

mcr20_wireless_uart_FRDMk64f _FRDMcR20A_uart_test

Dependencies:   fsl_phy_mcr20a fsl_smac mbed-rtos mbed

Fork of mcr20_wireless_uart by Freescale

circular_buffer.h@27:1eb29717bfd9, 2015-06-29 (annotated)

Committer:
andreikovacs
Date:
Mon Jun 29 05:50:47 2015 +0000
Revision:
27:1eb29717bfd9
Changed app to behave like the initial Wireless UART demo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andreikovacs 27:1eb29717bfd9 1 #ifndef __CIRCULAR_BUFFER_H__
andreikovacs 27:1eb29717bfd9 2 #define __CIRCULAR_BUFFER_H__
andreikovacs 27:1eb29717bfd9 3
andreikovacs 27:1eb29717bfd9 4 #include "EmbeddedTypes.h"
andreikovacs 27:1eb29717bfd9 5 #include "MemManager.h"
andreikovacs 27:1eb29717bfd9 6
andreikovacs 27:1eb29717bfd9 7 #ifndef gCircularBufferSize_c
andreikovacs 27:1eb29717bfd9 8 #define gCircularBufferSize_c 32
andreikovacs 27:1eb29717bfd9 9 #endif
andreikovacs 27:1eb29717bfd9 10
andreikovacs 27:1eb29717bfd9 11 typedef enum bufferStatus_tag
andreikovacs 27:1eb29717bfd9 12 {
andreikovacs 27:1eb29717bfd9 13 buffer_Ok_c = 0,
andreikovacs 27:1eb29717bfd9 14 buffer_Empty_c,
andreikovacs 27:1eb29717bfd9 15 buffer_Full_c
andreikovacs 27:1eb29717bfd9 16 }bufferStatus_t;
andreikovacs 27:1eb29717bfd9 17
andreikovacs 27:1eb29717bfd9 18 class CircularBuffer {
andreikovacs 27:1eb29717bfd9 19 public:
andreikovacs 27:1eb29717bfd9 20 CircularBuffer();
andreikovacs 27:1eb29717bfd9 21 CircularBuffer(uint32_t sz);
andreikovacs 27:1eb29717bfd9 22 ~CircularBuffer();
andreikovacs 27:1eb29717bfd9 23 bufferStatus_t addToBuffer (uint8_t c);
andreikovacs 27:1eb29717bfd9 24 bufferStatus_t getFromBuffer (uint8_t *c);
andreikovacs 27:1eb29717bfd9 25 uint32_t getCount();
andreikovacs 27:1eb29717bfd9 26 private:
andreikovacs 27:1eb29717bfd9 27 uint8_t *buffer;
andreikovacs 27:1eb29717bfd9 28 uint32_t size;
andreikovacs 27:1eb29717bfd9 29 uint32_t readIndex;
andreikovacs 27:1eb29717bfd9 30 uint32_t writeIndex;
andreikovacs 27:1eb29717bfd9 31 uint32_t count;
andreikovacs 27:1eb29717bfd9 32 };
andreikovacs 27:1eb29717bfd9 33
andreikovacs 27:1eb29717bfd9 34 #endif