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155 * |
155 * |
156 * \see ecrt_master_state(). |
156 * \see ecrt_master_state(). |
157 */ |
157 */ |
158 typedef struct { |
158 typedef struct { |
159 unsigned int slaves_responding; /**< Number of slaves in the bus. */ |
159 unsigned int slaves_responding; /**< Number of slaves in the bus. */ |
160 uint8_t slave_states; /**< Application-layer states of all slaves. |
160 unsigned int al_states : 4; /**< Application-layer states of all slaves. |
161 The states are coded in the lower 4 bits. If a bit |
161 The states are coded in the lower 4 bits. |
162 is set, it means that at least one slave in the |
162 If a bit is set, it means that at least one |
163 bus is in the corresponding state: |
163 slave in the bus is in the corresponding |
164 - Bit 0: \a INIT |
164 state: |
165 - Bit 1: \a PREOP |
165 - Bit 0: \a INIT |
166 - Bit 2: \a SAFEOP |
166 - Bit 1: \a PREOP |
167 - Bit 3: \a OP */ |
167 - Bit 2: \a SAFEOP |
168 uint8_t link_up; /**< \a true, if the network link is up. */ |
168 - Bit 3: \a OP */ |
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169 unsigned int link_up : 1; /**< \a true, if the network link is up. */ |
169 } ec_master_state_t; |
170 } ec_master_state_t; |
170 |
171 |
171 /*****************************************************************************/ |
172 /*****************************************************************************/ |
172 |
173 |
173 /** Slave configuration state. |
174 /** Slave configuration state. |
175 * This is used as an output parameter of ecrt_slave_config_state(). |
176 * This is used as an output parameter of ecrt_slave_config_state(). |
176 * |
177 * |
177 * \see ecrt_slave_config_state(). |
178 * \see ecrt_slave_config_state(). |
178 */ |
179 */ |
179 typedef struct { |
180 typedef struct { |
180 uint8_t slave_state; /**< The application-layer state of the slave. |
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181 - 1: \a INIT |
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182 - 2: \a PREOP |
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183 - 4: \a SAFEOP |
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184 - 8: \a OP |
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185 |
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186 Note that each state is coded in a different |
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187 bit! */ |
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188 unsigned int online : 1; /**< The slave is online. */ |
181 unsigned int online : 1; /**< The slave is online. */ |
189 unsigned int operational : 1; /**< The slave was brought into \a OP state |
182 unsigned int operational : 1; /**< The slave was brought into \a OP state |
190 using the specified configuration. */ |
183 using the specified configuration. */ |
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184 unsigned int al_state : 4; /**< The application-layer state of the slave. |
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185 - 1: \a INIT |
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186 - 2: \a PREOP |
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187 - 4: \a SAFEOP |
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188 - 8: \a OP |
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189 |
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190 Note that each state is coded in a different |
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191 bit! */ |
191 } ec_slave_config_state_t; |
192 } ec_slave_config_state_t; |
192 |
193 |
193 /*****************************************************************************/ |
194 /*****************************************************************************/ |
194 |
195 |
195 /** Domain working counter interpretation. |
196 /** Domain working counter interpretation. |