Diff: libs/Network/Drivers/LPC17XX_Ethernet.h

Revision:

2:1df0b61d3b5a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/Network/Drivers/LPC17XX_Ethernet.h	Fri Feb 28 18:52:52 2014 -0800
@@ -0,0 +1,82 @@
+#ifndef _LPC17XX_ETHERNET_H
+#define _LPC17XX_ETHERNET_H
+
+#include "lpc17xx_emac.h"
+
+#include "Module.h"
+#include "net_util.h"
+
+#define EMAC_SMSC_8720A 0x0007C0F0
+
+// SMSC 8720A special control/status register
+#define EMAC_PHY_REG_SCSR 0x1F
+
+#define LPC17XX_MAX_PACKET 600
+#define LPC17XX_TXBUFS     4
+#define LPC17XX_RXBUFS     4
+
+typedef struct {
+    void* packet;
+    uint32_t control;
+} packet_desc;
+
+typedef struct {
+    uint8_t buf[LPC17XX_RXBUFS][LPC17XX_MAX_PACKET];
+    RX_Stat rxstat[LPC17XX_RXBUFS];
+    packet_desc rxdesc[LPC17XX_RXBUFS];
+} _rxbuf_t;
+
+typedef struct {
+    uint8_t buf[LPC17XX_TXBUFS][LPC17XX_MAX_PACKET];
+    TX_Stat txstat[LPC17XX_TXBUFS];
+    packet_desc txdesc[LPC17XX_TXBUFS];
+} _txbuf_t;
+
+class LPC17XX_Ethernet;
+
+class LPC17XX_Ethernet : public Module, public NetworkInterface
+{
+public:
+    LPC17XX_Ethernet();
+
+    void on_module_loaded();
+    void on_idle(void*);
+    void on_second_tick(void*);
+
+    void emac_init(void) __attribute__ ((optimize("O0")));
+
+    void set_mac(uint8_t*);
+
+    void irq(void);
+
+    bool _receive_frame(void *packet, int* size);
+
+    // NetworkInterface methods
+//     void provide_net(netcore* n);
+    bool can_read_packet(void);
+    int read_packet(uint8_t**);
+    void release_read_packet(uint8_t*);
+    void periodical(int);
+
+    bool can_write_packet(void);
+    int write_packet(uint8_t *, int);
+
+    void* request_packet_buffer(void);
+
+    // Encapsulator methods
+    int receive(NetworkInterface* ni, NET_PACKET, int);
+    int construct(NetworkInterface* ni, NET_PACKET, int);
+    NET_PACKET  get_new_packet_buffer(NetworkInterface*);
+    NET_PAYLOAD get_payload_buffer(NET_PACKET);
+    void        set_payload_length(NET_PACKET, int);
+
+    static LPC17XX_Ethernet* instance;
+
+private:
+    static _rxbuf_t rxbuf;
+    static _txbuf_t txbuf;
+
+    void check_interface();
+};
+
+#endif /* _LPC17XX_ETHERNET_H */