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195 * Treiberschnittstelle |
195 * Treiberschnittstelle |
196 * |
196 * |
197 *****************************************************************************/ |
197 *****************************************************************************/ |
198 |
198 |
199 /** |
199 /** |
200 Prüft, ob das Net-Device \a dev zum registrierten EtherCAT-Gerät gehört. |
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201 |
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202 \return 0 wenn nein, nicht-null wenn ja. |
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203 */ |
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204 |
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205 inline int ecdev_is_ec(const ec_device_t *device, /**< EtherCAT-Gerät */ |
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206 const struct net_device *dev /**< Net-Device */ |
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207 ) |
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208 { |
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209 return device && device->dev == dev; |
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210 } |
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211 |
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212 /*****************************************************************************/ |
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213 |
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214 /** |
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215 Nimmt einen Empfangenen Rahmen entgegen. |
200 Nimmt einen Empfangenen Rahmen entgegen. |
216 |
201 |
217 Kopiert die empfangenen Daten in den Receive-Buffer. |
202 Kopiert die empfangenen Daten in den Receive-Buffer. |
218 */ |
203 */ |
219 |
204 |
238 |
223 |
239 void ecdev_link_state(ec_device_t *device, /**< EtherCAT-Gerät */ |
224 void ecdev_link_state(ec_device_t *device, /**< EtherCAT-Gerät */ |
240 uint8_t state /**< Verbindungszustand */ |
225 uint8_t state /**< Verbindungszustand */ |
241 ) |
226 ) |
242 { |
227 { |
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228 if (unlikely(!device)) { |
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229 EC_WARN("ecdev_link_state: no device!\n"); |
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230 return; |
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231 } |
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232 |
243 if (likely(state != device->link_state)) { |
233 if (likely(state != device->link_state)) { |
244 device->link_state = state; |
234 device->link_state = state; |
245 EC_INFO("Link state changed to %s.\n", (state ? "UP" : "DOWN")); |
235 EC_INFO("Link state changed to %s.\n", (state ? "UP" : "DOWN")); |
246 } |
236 } |
247 } |
237 } |
248 |
238 |
249 /*****************************************************************************/ |
239 /*****************************************************************************/ |
250 |
240 |
251 EXPORT_SYMBOL(ecdev_is_ec); |
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252 EXPORT_SYMBOL(ecdev_receive); |
241 EXPORT_SYMBOL(ecdev_receive); |
253 EXPORT_SYMBOL(ecdev_link_state); |
242 EXPORT_SYMBOL(ecdev_link_state); |
254 |
243 |
255 /*****************************************************************************/ |
244 /*****************************************************************************/ |
256 |
245 |