Ethernet-over-serial driver¶
Driver for the ethernet-over-serial module.
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ETHOS_FRAME_DELIMITER
¶ 1
(0x7E)
-
ETHOS_ESC_CHAR
¶ 1
(0x7D)
-
ETHOS_FRAME_TYPE_DATA
¶ 1
(0x0)
-
ETHOS_FRAME_TYPE_TEXT
¶ 1
(0x1)
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ETHOS_FRAME_TYPE_HELLO
¶ 1
(0x2)
-
ETHOS_FRAME_TYPE_HELLO_REPLY
¶ 1
(0x3)
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enum
line_state_t
¶ - WAIT_FRAMESTART
- IN_FRAME
- IN_ESCAPE
-
void
ethos_setup
(ethos_t * dev, const ethos_params_t * params)¶ Setup an ethos based device state.
The supplied buffer must have a power-of-two size, and it must be large enough for the largest expected packet + enough buffer space to buffer bytes that arrive while one packet is being handled.
E.g., if 1536b ethernet frames are expected, 2048 is probably a good size for
buf
.Parameters
dev: handle of the device to initialize params: parameters for device initialization
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void
ethos_send_frame
(ethos_t * dev, const uint8_t * data,msp430_types.h::size_t
len, unsigned frame_type)¶ Send frame over serial port using ethos’ framing.
This is used by e.g., stdio over ethos to send text frames.
Parameters
dev: handle of the device to initialize data: ptr to data to be sent len: nr of bytes to send frame_type: frame type to use
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struct
ethos_t
¶ ethos netdev device
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netdev.h::netdev_t
netdev
¶ extended netdev structure
-
uart.h::uart_t
uart
¶ UART device the to use.
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uint8_t
mac_addr
()¶ this device’s MAC address
-
uint8_t
remote_mac_addr
()¶ this device’s MAC address
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tsrb.h::tsrb_t
inbuf
¶ ringbuffer for incoming data
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ethos.h::line_state_t
state
¶ Line status variable.
-
msp430_types.h::size_t
framesize
¶ size of currently incoming frame
-
unsigned
frametype
¶ type of currently incoming frame
-
msp430_types.h::size_t
last_framesize
¶ size of last completed frame
-
bool
accept_new
¶ incoming frame can be stored or not
-
-
struct
ethos_params_t
¶ Struct containing the needed configuration.
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uart.h::uart_t
uart
¶ UART device to use.
-
uint32_t
baudrate
¶ baudrate to UART device
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uint8_t *
buf
¶ buffer for incoming packets
-
msp430_types.h::size_t
bufsize
¶ size of
ethos.h::ethos_params_t::buf
-