Echelon Neuron C Manual do Utilizador descarregar pdf (Página 208)

196 Memory Management

address, destination address, and priority attribute vector into an existing

receive transaction and the message’s transaction number matches the entry’s

transaction number.

Receive transaction entries are freed after the receive timer expires. The receive

timer duration is determined by the destination device and varies as a function of

the message addressing mode. For group addressed messages, the receive timer

is determined by the address table. For Neuron ID addressed messages, the

receive timer is fixed at eight seconds. For other addressing modes, the non-

group receive timer in the configuration data structure is used.

Table 14. Values for Buffer Sizes and Counts

Pragma Values Allowed Default (See Notes)

app_buf_out_size 20, 21, 22, 24, 26, 30, 34, 42,

50, 66, 82, 114, 146, 210, or

255 bytes

app_buf_out_count 1, 2, 3, 5, 7, 11, 15, 23, 31, 47,

63, 95, 127, 191

app_buf_out_priority_count 0, 1, 2, 3, 5, 7, 11, 15, 23, 31,

47, 63, 95, 127, or 191

net_buf_out_size

(20, 21, 22, 24, 26, 30, 34)

42, 50, 66, 82, 114, 146, 210,

or 255 bytes

(A minimum value of 42

bytes is recommended)

net_buf_out_count 1, 2, 3, 5, 7, 11, 15, 23, 31, 47,

63, 95, 127, 191

net_buf_out_priority_count 0, 1, 2, 3, 5, 7, 11, 15, 23, 31,

47, 63, 95, 127, or 191

net_buf_in_size

(20, 21, 22, 24, 26, 30, 34,

42)

, 50, 66, 82, 114, 146, 210,

or 255 bytes

(A mimimum value of 50

bytes is recommended)

net_buf_in_count 1, 2, 3, 5, 7, 11, 15, 23, 31, 47,

63, 95, 127, 191

1 2 ... 203 204 205 206 207 208 209 210 211 212 213 ... 267 268

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Echelon Neuron C Manual do Utilizador Página 208