IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

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This buffer handle private type is used internally by the TCP/IP stack.
typedef void far * DevUserBuffer; // Device buffer handle type
DevUserBufferHandle
This type references a buffer handle private type used internally by the TCP/IP stack.
typedef DevUserBuffer far * DevUserBufferHandle; // Pointer to a device buffer handle
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DevUserBuffer type - Device buffer handle (private)
API function DEV_GET_BUF - Get a buffer from TCP/IP stack
DevUserDriver
typedef struct tag_DevUserDriver
{
int DevIndex; // Internal device index, filled by @CHIP-RTOS
char far * DevName; // Unique device name, max. 13 chars + 0
unsigned long IpAddr; // IP address
unsigned long Netmask; // Netmask
DevUserIfaceHandle IfaceHandle; // handle to identify the interface internal
DevUserLinkLayer LinkLayerHandle; // handle to identify the link layer internal
unsigned char iface_type, // Type of the device driver:
// 0: unknown user specific device,
// 1: device is an Ethernet controller,
// 2: use PPP protocol as a server
// (currently not supported).
// 3: use PPP protocol as a client
// (currently not supported).
// 4: use SLIP protocol (currently not supported)
unsigned char use_dhcp; // Boolean, set to 1 if you want to use
// DHCP server IP configuration.
UserEthDhcp_Entry far * Dhcp_Data; // Pointer to DHCP data set by
// DEV_WAIT_DHCP_COMPLETE API
// (only applies if use_dhcp=1
// and iface_type=1 =Ethernet).
//
void far * Reserved1; // reserved for future extensions
void far * Reserved2;
void far * Reserved3;
// Set of driver functions which user implements:
void far * DevOpen; // Driver Open/initialize function,
// optional (pass a Null pointer if not used).
void far * DevClose; // Driver Close function,
// optional (pass a Null pointer if not used).
void far * DevSend; // Driver send function
void far * DevRecv; // Driver recv function
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