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Rev 1210 | Rev 1211 | ||
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Line 6... | Line 6... | ||
6 | volatile unsigned char twi_state = 0; |
6 | volatile unsigned char twi_state = 0; |
7 | unsigned char motor = 0; |
7 | unsigned char motor = 0; |
8 | unsigned char motorread = 0,MissingMotor = 0; |
8 | unsigned char motorread = 0,MissingMotor = 0; |
9 | unsigned char motor_rx[16],motor_rx2[16]; |
9 | unsigned char motor_rx[16],motor_rx2[16]; |
10 | unsigned char MotorPresent[MAX_MOTORS]; |
10 | unsigned char MotorPresent[MAX_MOTORS]; |
- | 11 | unsigned char MotorError[MAX_MOTORS]; |
|
Line 11... | Line 12... | ||
11 | 12 | ||
12 | //############################################################################ |
13 | //############################################################################ |
13 | //Initzialisieren der I2C (TWI) Schnittstelle |
14 | //Initzialisieren der I2C (TWI) Schnittstelle |
14 | void i2c_init(void) |
15 | void i2c_init(void) |
Line 93... | Line 94... | ||
93 | 94 | ||
94 | //############################################################################ |
95 | //############################################################################ |
95 | SIGNAL (TWI_vect) |
96 | SIGNAL (TWI_vect) |
96 | //############################################################################ |
97 | //############################################################################ |
97 | { |
98 | { |
98 | static unsigned char missing_motor,cnt_motor; |
99 | static unsigned char missing_motor; |
99 | switch(twi_state++) |
100 | switch(twi_state++) |
100 | { |
101 | { |
101 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
102 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
102 | // Writing the Data |
103 | // Writing the Data |
Line 113... | Line 114... | ||
113 | break; |
114 | break; |
114 | case 1: |
115 | case 1: |
115 | i2c_write_byte(Motor[motor++]); |
116 | i2c_write_byte(Motor[motor++]); |
116 | break; |
117 | break; |
117 | case 2: |
118 | case 2: |
118 | if(TWSR == 0x30) { if(!missing_motor) missing_motor = motor; } |
119 | if(TWSR == 0x30) { if(!missing_motor) missing_motor = motor; if(++MotorError[motor-1] == 0) MotorError[motor-1] = 255;} |
119 | i2c_stop(); |
120 | i2c_stop(); |
120 | I2CTimeout = 10; |
121 | I2CTimeout = 10; |
121 | twi_state = 0; |
122 | twi_state = 0; |
122 | i2c_start(); |
123 | i2c_start(); |
123 | break; |
124 | break; |
124 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
125 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
125 | // Reading Data |
126 | // Reading Data |
126 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
127 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
127 | case 3: |
128 | case 3: |
128 | //Transmit 1st byte for reading |
129 | //Transmit 1st byte for reading |
129 | - | ||
130 | if(TWSR != 0x40) // Error? |
130 | if(TWSR != 0x40) // Error? |
131 | { |
131 | { |
132 | MotorPresent[motorread] = 0; |
132 | MotorPresent[motorread] = 0; |
133 | motorread++; |
133 | motorread++; |
134 | if(motorread >= MAX_MOTORS) motorread = 0; |
134 | if(motorread >= MAX_MOTORS) motorread = 0; |
135 | i2c_stop(); |
135 | i2c_stop(); |
136 | twi_state = 0; |
136 | twi_state = 0; |
137 | } |
137 | } |
138 | else |
138 | else |
139 | { |
139 | { |
140 | MotorPresent[motorread] = ('1' - '-') + motorread; |
140 | MotorPresent[motorread] = ('1' - '-') + motorread; |
- | 141 | I2C_ReceiveByte(); |
|
141 | } |
142 | } |
142 | MissingMotor = missing_motor; |
143 | MissingMotor = missing_motor; |
143 | I2C_ReceiveByte(); |
144 | missing_motor = 0; |
144 | break; |
145 | break; |
145 | case 4: //Read 1st byte and transmit 2nd Byte |
146 | case 4: //Read 1st byte and transmit 2nd Byte |
146 | motor_rx[motorread] = TWDR; |
147 | motor_rx[motorread] = TWDR; |
147 | I2C_ReceiveLastByte(); //nack |
148 | I2C_ReceiveLastByte(); //nack |
148 | break; |
149 | break; |
149 | case 5: |
150 | case 5: |
150 | //Read 2nd byte |
151 | //Read 2nd byte |
151 | motor_rx2[motorread++] = TWDR; |
152 | motor_rx2[motorread++] = TWDR; |
- | 153 | if(motorread >= MAX_MOTORS) motorread = 0; |
|
152 | i2c_stop(); |
154 | i2c_stop(); |
153 | twi_state = 0; |
155 | twi_state = 0; |
154 | missing_motor = 0; |
- | |
155 | break; |
156 | break; |
- | 157 | ||
156 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
158 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
157 | // writing Gyro-Offset |
159 | // writing Gyro-Offset |
158 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
160 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
159 | case 8: |
161 | case 8: |
160 | i2c_write_byte(0x98); // Address of the DAC |
162 | i2c_write_byte(0x98); // Address of the DAC |
Line 210... | Line 212... | ||
210 | default: twi_state = 0; |
212 | default: twi_state = 0; |
211 | break; |
213 | break; |
212 | } |
214 | } |
213 | TWCR |= 0x80; |
215 | TWCR |= 0x80; |
214 | } |
216 | } |
215 | /* |
- | |
216 | //############################################################################ |
- | |
217 | SIGNAL (TWI_vect) |
- | |
218 | //############################################################################ |
- | |
219 | { |
- | |
220 | switch (twi_state++) |
- | |
221 | { |
- | |
222 | case 0: |
- | |
223 | i2c_write_byte(0x52+(motor*2)); |
- | |
224 | break; |
- | |
225 | case 1: |
- | |
226 | switch(motor++) |
- | |
227 | { |
- | |
228 | case 0: |
- | |
229 | i2c_write_byte(Motor_Vorne); |
- | |
230 | break; |
- | |
231 | case 1: |
- | |
232 | i2c_write_byte(Motor_Hinten); |
- | |
233 | break; |
- | |
234 | case 2: |
- | |
235 | i2c_write_byte(Motor_Rechts); |
- | |
236 | break; |
- | |
237 | case 3: |
- | |
238 | i2c_write_byte(Motor_Links); |
- | |
239 | break; |
- | |
240 | } |
- | |
241 | break; |
- | |
242 | case 2: |
- | |
243 | i2c_stop(); |
- | |
244 | if (motor<4) twi_state = 0; |
- | |
245 | else motor = 0; |
- | |
246 | i2c_start(); |
- | |
247 | break; |
- | |
248 | |
- | |
249 | //Liest Daten von Motor |
- | |
250 | case 3: |
- | |
251 | i2c_write_byte(0x53+(motorread*2)); |
- | |
252 | break; |
- | |
253 | case 4: |
- | |
254 | switch(motorread) |
- | |
255 | { |
- | |
256 | case 0: |
- | |
257 | i2c_write_byte(Motor_Vorne); |
- | |
258 | break; |
- | |
259 | case 1: |
- | |
260 | i2c_write_byte(Motor_Hinten); |
- | |
261 | break; |
- | |
262 | case 2: |
- | |
263 | i2c_write_byte(Motor_Rechts); |
- | |
264 | break; |
- | |
265 | case 3: |
- | |
266 | i2c_write_byte(Motor_Links); |
- | |
267 | break; |
- | |
268 | } |
- | |
269 | break; |
- | |
270 | case 5: //1 Byte vom Motor lesen |
- | |
271 | motor_rx[motorread] = TWDR; |
- | |
272 | - | ||
273 | case 6: |
- | |
274 | switch(motorread) |
- | |
275 | { |
- | |
276 | case 0: |
- | |
277 | i2c_write_byte(Motor_Vorne); |
- | |
278 | break; |
- | |
279 | case 1: |
- | |
280 | i2c_write_byte(Motor_Hinten); |
- | |
281 | break; |
- | |
282 | case 2: |
- | |
283 | i2c_write_byte(Motor_Rechts); |
- | |
284 | break; |
- | |
285 | case 3: |
- | |
286 | i2c_write_byte(Motor_Links); |
- | |
287 | break; |
- | |
288 | } |
- | |
289 | break; |
- | |
290 | case 7: //2 Byte vom Motor lesen |
- | |
291 | motor_rx[motorread+4] = TWDR; |
- | |
292 | motorread++; |
- | |
293 | if (motorread>3) motorread=0; |
- | |
294 | i2c_stop(); |
- | |
295 | I2CTimeout = 10; |
- | |
296 | twi_state = 0; |
- | |
297 | break; |
- | |
298 | case 8: // Gyro-Offset |
- | |
299 | i2c_write_byte(0x98); // Address of the DAC |
- | |
300 | break; |
- | |
301 | case 9: |
- | |
302 | i2c_write_byte(0x10); // Update Channel A |
- | |
303 | break; |
- | |
304 | case 10: |
- | |
305 | i2c_write_byte(AnalogOffsetNick); // Value |
- | |
306 | break; |
- | |
307 | case 11: |
- | |
308 | i2c_write_byte(0x80); // Value |
- | |
309 | break; |
- | |
310 | case 12: |
- | |
311 | i2c_stop(); |
- | |
312 | I2CTimeout = 10; |
- | |
313 | i2c_start(); |
- | |
314 | break; |
- | |
315 | case 13: |
- | |
316 | i2c_write_byte(0x98); // Address of the DAC |
- | |
317 | break; |
- | |
318 | case 14: |
- | |
319 | i2c_write_byte(0x12); // Update Channel B |
- | |
320 | break; |
- | |
321 | case 15: |
- | |
322 | i2c_write_byte(AnalogOffsetRoll); // Value |
- | |
323 | break; |
- | |
324 | case 16: |
- | |
325 | i2c_write_byte(0x80); // Value |
- | |
326 | break; |
- | |
327 | case 17: |
- | |
328 | i2c_stop(); |
- | |
329 | I2CTimeout = 10; |
- | |
330 | i2c_start(); |
- | |
331 | break; |
- | |
332 | case 18: |
- | |
333 | i2c_write_byte(0x98); // Address of the DAC |
- | |
334 | break; |
- | |
335 | case 19: |
- | |
336 | i2c_write_byte(0x14); // Update Channel C |
- | |
337 | break; |
- | |
338 | case 20: |
- | |
339 | i2c_write_byte(AnalogOffsetGier); // Value |
- | |
340 | break; |
- | |
341 | case 21: |
- | |
342 | i2c_write_byte(0x80); // Value |
- | |
343 | break; |
- | |
344 | case 22: |
- | |
345 | i2c_stop(); |
- | |
346 | I2CTimeout = 10; |
- | |
347 | twi_state = 0; |
- | |
348 | break; |
- | |
349 | } |
- | |
350 | TWCR |= 0x80; |
- | |
351 | } |
- | |
352 | */ |
- | |
353 | 217 |