moccos mizuki
/
EthernetXpresso
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EthernetXpresso.h@1:95a4c234aaf6, 2012-05-06 (annotated)
- Committer:
- moccos
- Date:
- Sun May 06 10:52:06 2012 +0000
- Revision:
- 1:95a4c234aaf6
- Parent:
- 0:b4bf563e9741
- Child:
- 4:7c859e671f9c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| moccos | 0:b4bf563e9741 | 1 | #ifndef ETHERNET_XPRESSO_H |
| moccos | 0:b4bf563e9741 | 2 | #define ETHERNET_XPRESSO_H |
| moccos | 0:b4bf563e9741 | 3 | #include <stdint.h> |
| moccos | 0:b4bf563e9741 | 4 | #include "LPC1769Emac.h" |
| moccos | 0:b4bf563e9741 | 5 | |
| moccos | 1:95a4c234aaf6 | 6 | /** |
| moccos | 1:95a4c234aaf6 | 7 | * mbed-like wrapper class for LPCXpresso LPC1769. |
| moccos | 1:95a4c234aaf6 | 8 | * @author @moccos |
| moccos | 1:95a4c234aaf6 | 9 | */ |
| moccos | 0:b4bf563e9741 | 10 | class EthernetXpresso { |
| moccos | 0:b4bf563e9741 | 11 | public: |
| moccos | 0:b4bf563e9741 | 12 | EthernetXpresso(); |
| moccos | 0:b4bf563e9741 | 13 | virtual ~EthernetXpresso(); |
| moccos | 0:b4bf563e9741 | 14 | |
| moccos | 1:95a4c234aaf6 | 15 | // same as mbed |
| moccos | 0:b4bf563e9741 | 16 | enum Mode { |
| moccos | 0:b4bf563e9741 | 17 | AutoNegotiate |
| moccos | 0:b4bf563e9741 | 18 | , HalfDuplex10 |
| moccos | 0:b4bf563e9741 | 19 | , FullDuplex10 |
| moccos | 0:b4bf563e9741 | 20 | , HalfDuplex100 |
| moccos | 0:b4bf563e9741 | 21 | , FullDuplex100 |
| moccos | 0:b4bf563e9741 | 22 | }; |
| moccos | 1:95a4c234aaf6 | 23 | /** |
| moccos | 0:b4bf563e9741 | 24 | * Writes into an outgoing ethernet packet. |
| moccos | 0:b4bf563e9741 | 25 | * It will append size bytes of data to the previously written bytes. |
| moccos | 0:b4bf563e9741 | 26 | * |
| moccos | 1:95a4c234aaf6 | 27 | * @param data An array to write. |
| moccos | 1:95a4c234aaf6 | 28 | * @param size The size of data. |
| moccos | 1:95a4c234aaf6 | 29 | * @return The number of written bytes. |
| moccos | 0:b4bf563e9741 | 30 | */ |
| moccos | 0:b4bf563e9741 | 31 | int write(const char *data, int size) { return emac_.Write((void*)data, size); } |
| moccos | 0:b4bf563e9741 | 32 | |
| moccos | 1:95a4c234aaf6 | 33 | /** |
| moccos | 0:b4bf563e9741 | 34 | * Send an outgoing ethernet packet. |
| moccos | 0:b4bf563e9741 | 35 | * After filling in the data in an ethernet packet it must be send. |
| moccos | 0:b4bf563e9741 | 36 | * Send will provide a new packet to write to. |
| moccos | 0:b4bf563e9741 | 37 | * |
| moccos | 1:95a4c234aaf6 | 38 | * @retval 0 If the sending was failed. |
| moccos | 1:95a4c234aaf6 | 39 | * @retval 1 If the package is successfully sent. |
| moccos | 0:b4bf563e9741 | 40 | */ |
| moccos | 0:b4bf563e9741 | 41 | int send() { return emac_.Send() ? 1 : 0; } |
| moccos | 0:b4bf563e9741 | 42 | |
| moccos | 1:95a4c234aaf6 | 43 | /** |
| moccos | 0:b4bf563e9741 | 44 | * Recevies an arrived ethernet packet. |
| moccos | 0:b4bf563e9741 | 45 | * |
| moccos | 0:b4bf563e9741 | 46 | * Receiving an ethernet packet will drop the last received ethernet packet |
| moccos | 0:b4bf563e9741 | 47 | * and make a new ethernet packet ready to read. |
| moccos | 0:b4bf563e9741 | 48 | * If no ethernet packet is arrived it will return 0. |
| moccos | 0:b4bf563e9741 | 49 | * |
| moccos | 1:95a4c234aaf6 | 50 | * @return The size of the arrived packet. |
| moccos | 0:b4bf563e9741 | 51 | */ |
| moccos | 0:b4bf563e9741 | 52 | int receive() { return emac_.ReadyToReceive(); } |
| moccos | 0:b4bf563e9741 | 53 | |
| moccos | 1:95a4c234aaf6 | 54 | /** |
| moccos | 0:b4bf563e9741 | 55 | * Read from an recevied ethernet packet. |
| moccos | 0:b4bf563e9741 | 56 | * |
| moccos | 1:95a4c234aaf6 | 57 | * After receive returnd a number bigger than 0, it is |
| moccos | 0:b4bf563e9741 | 58 | * possible to read bytes from this packet. |
| moccos | 0:b4bf563e9741 | 59 | * Read will write up to size bytes into data. |
| moccos | 0:b4bf563e9741 | 60 | * |
| moccos | 0:b4bf563e9741 | 61 | * It is possible to use read multible times. |
| moccos | 0:b4bf563e9741 | 62 | * Each time read will start reading after the last read byte before. |
| moccos | 0:b4bf563e9741 | 63 | * |
| moccos | 1:95a4c234aaf6 | 64 | * @return The number of byte read. |
| moccos | 0:b4bf563e9741 | 65 | */ |
| moccos | 1:95a4c234aaf6 | 66 | int read(char *data, int size) { return emac_.Read((void*)data, size); } |
| moccos | 0:b4bf563e9741 | 67 | |
| moccos | 1:95a4c234aaf6 | 68 | /** |
| moccos | 1:95a4c234aaf6 | 69 | * Gives the ethernet address. |
| moccos | 0:b4bf563e9741 | 70 | * |
| moccos | 1:95a4c234aaf6 | 71 | * @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in. |
| moccos | 0:b4bf563e9741 | 72 | */ |
| moccos | 0:b4bf563e9741 | 73 | void address(char *mac) { |
| moccos | 1:95a4c234aaf6 | 74 | emac_.UpdateAddress(mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); |
| moccos | 0:b4bf563e9741 | 75 | } |
| moccos | 0:b4bf563e9741 | 76 | |
| moccos | 1:95a4c234aaf6 | 77 | /** |
| moccos | 0:b4bf563e9741 | 78 | * Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up. |
| moccos | 0:b4bf563e9741 | 79 | * |
| moccos | 1:95a4c234aaf6 | 80 | * @retval 0 If no ethernet link is pressent. |
| moccos | 1:95a4c234aaf6 | 81 | * @retval 1 If an ethernet link is pressent. |
| moccos | 0:b4bf563e9741 | 82 | */ |
| moccos | 0:b4bf563e9741 | 83 | int link() { return emac_.Link() ? 1 : 0; } |
| moccos | 0:b4bf563e9741 | 84 | |
| moccos | 1:95a4c234aaf6 | 85 | /** |
| moccos | 0:b4bf563e9741 | 86 | * Sets the speed and duplex parameters of an ethernet link |
| moccos | 0:b4bf563e9741 | 87 | * |
| moccos | 1:95a4c234aaf6 | 88 | * note: currently auto-neg only |
| moccos | 1:95a4c234aaf6 | 89 | * @param mode the speed and duplex mode to set the link to: |
| moccos | 0:b4bf563e9741 | 90 | */ |
| moccos | 0:b4bf563e9741 | 91 | void set_link(Mode mode); |
| moccos | 0:b4bf563e9741 | 92 | |
| moccos | 1:95a4c234aaf6 | 93 | /** |
| moccos | 1:95a4c234aaf6 | 94 | * Gets the ethernet address. |
| moccos | 1:95a4c234aaf6 | 95 | */ |
| moccos | 0:b4bf563e9741 | 96 | const char* getHwAddr() { return emac_.getHwAddr(); } |
| moccos | 0:b4bf563e9741 | 97 | |
| moccos | 0:b4bf563e9741 | 98 | private: |
| moccos | 0:b4bf563e9741 | 99 | LPC1769Emac emac_; |
| moccos | 0:b4bf563e9741 | 100 | |
| moccos | 0:b4bf563e9741 | 101 | private: |
| moccos | 0:b4bf563e9741 | 102 | bool ResetEmac_(); |
| moccos | 0:b4bf563e9741 | 103 | }; |
| moccos | 0:b4bf563e9741 | 104 | |
| moccos | 0:b4bf563e9741 | 105 | #endif |