Mercurial > public > ostc4
annotate Small_CPU/Src/batteryCharger.c @ 752:4f19336a3f21
Dev Bugfix: Alignment problem in lifedata structure:
Since the introduction of the 64 bit DigO2 sensor ID the potential risk of a misalignment is present in the lifedata structure. E.g. If a new 8bit variable is added in front of the data structure containing the 64bit value. To avoid this in future the sensor data structure which may contain the 64bit value has been moved to the top of the structure (first element)
| author | Ideenmodellierer |
|---|---|
| date | Tue, 07 Mar 2023 19:51:30 +0100 |
| parents | b1e24513b83e |
| children | d32901746950 |
| rev | line source |
|---|---|
| 38 | 1 /** |
| 2 ****************************************************************************** | |
| 3 * @file batteryCharger.c | |
| 4 * @author heinrichs weikamp gmbh | |
| 5 * @date 09-Dec-2014 | |
| 6 * @version V0.0.1 | |
| 7 * @since 09-Dec-2014 | |
| 8 * @brief LTC4054 Battery Charger | |
| 9 * | |
| 10 @verbatim | |
| 11 ============================================================================== | |
| 12 ##### How to use ##### | |
| 13 ============================================================================== | |
| 14 | |
| 15 The bq5105x provides one status output, CHG. This output is an open-drain NMOS device that is rated to 20 V. | |
| 16 The open-drain FET connected to the CHG pin will be turned on whenever the output (BAT) of the charger is | |
| 17 enabled. As a note, the output of the charger supply will not be enabled if the VRECT-REG does not converge to the | |
| 18 no-load target voltage. | |
| 19 | |
| 644 | 20 CHG F4 7 O Open-drain output � active when BAT is enabled. Float if not used. |
| 38 | 21 |
| 22 @endverbatim | |
| 23 ****************************************************************************** | |
| 24 * @attention | |
| 25 * | |
| 26 * <h2><center>© COPYRIGHT(c) 2015 heinrichs weikamp</center></h2> | |
| 27 * | |
| 28 ****************************************************************************** | |
| 29 */ | |
| 30 /* Includes ------------------------------------------------------------------*/ | |
| 31 #include "batteryCharger.h" | |
| 32 #include "batteryGasGauge.h" | |
| 33 #include "stm32f4xx_hal.h" | |
| 34 #include "scheduler.h" | |
| 35 | |
| 36 | |
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37 /* Use This compile switch to select the new charger status control implementation */ |
| 644 | 38 #define ENABLE_CHARGER_STATUS_V2 |
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39 |
| 662 | 40 #define CHARGER_DEBOUNCE_SECONDS (6u) /* 6 seconds used to avoid problems with charger interrupts / disconnections */ |
| 38 | 41 |
| 668 | 42 static uint8_t battery_i_charge_status = 0; |
| 43 static uint16_t battery_charger_counter = 0; | |
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44 |
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45 #ifdef ENABLE_CHARGER_STATUS_V2 |
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46 static chargerState_t batteryChargerState = Charger_NotConnected; |
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47 #endif |
| 38 | 48 |
| 49 /* can be 0, 1 or 255 | |
| 50 * 0 is disconnected | |
| 51 * 1 is charging | |
| 52 * 255 is full | |
| 53 */ | |
| 54 uint8_t get_charge_status(void) | |
| 55 { | |
| 56 return battery_i_charge_status; | |
| 57 } | |
| 58 | |
| 662 | 59 void set_charge_state(uint8_t newState) |
| 60 { | |
| 61 #ifdef ENABLE_CHARGER_STATUS_V2 | |
| 62 if(newState < Charger_END) | |
| 63 { | |
| 64 batteryChargerState = newState; | |
| 65 } | |
| 66 #endif | |
| 67 } | |
| 68 | |
| 69 uint8_t get_charge_state(void) | |
| 70 { | |
| 71 return batteryChargerState; | |
| 72 } | |
| 73 | |
| 38 | 74 void init_battery_charger_status(void) |
| 75 { | |
| 76 #ifdef OSTC_ON_DISCOVERY_HARDWARE | |
| 77 return; | |
| 78 #endif | |
| 79 | |
| 80 CHARGE_IN_GPIO_ENABLE(); | |
| 81 CHARGE_OUT_GPIO_ENABLE(); | |
| 82 | |
| 83 ReInit_battery_charger_status_pins(); | |
| 84 } | |
| 85 | |
| 86 void ReInit_battery_charger_status_pins(void) | |
| 87 { | |
| 88 #ifdef OSTC_ON_DISCOVERY_HARDWARE | |
| 89 return; | |
| 90 #endif | |
| 91 | |
| 92 GPIO_InitTypeDef GPIO_InitStructure; | |
| 93 | |
| 94 GPIO_InitStructure.Pin = CHARGE_IN_PIN; | |
| 95 GPIO_InitStructure.Mode = GPIO_MODE_INPUT; | |
| 96 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 97 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 98 HAL_GPIO_Init(CHARGE_IN_GPIO_PORT, &GPIO_InitStructure); | |
| 99 | |
| 100 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 101 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 102 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 103 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 104 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
| 105 } | |
| 106 | |
| 107 | |
| 108 void DeInit_battery_charger_status_pins(void) | |
| 109 { | |
| 110 #ifdef OSTC_ON_DISCOVERY_HARDWARE | |
| 111 return; | |
| 112 #endif | |
| 113 GPIO_InitTypeDef GPIO_InitStructure; | |
| 114 | |
| 115 | |
| 116 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 117 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 118 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 119 | |
| 120 GPIO_InitStructure.Pin = CHARGE_IN_PIN; | |
| 121 HAL_GPIO_Init(CHARGE_IN_GPIO_PORT, &GPIO_InitStructure); | |
| 122 | |
| 123 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 124 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
| 125 } | |
| 126 | |
| 127 /* static counter is used to avoid multiple counts of charge startings | |
| 128 and after that it is used, starting at 127 to count for the charge full signal | |
| 129 | |
| 130 there a short disconnections with the QI charger | |
| 131 therefore the battery_charger_counter has a countdown instead of = 0. | |
| 132 | |
| 133 battery_gas_gauge_set_charge_full and scheduleUpdateDeviceDataChargerFull are | |
| 134 set after disconnection as the charging process continues as long as not disconnected | |
| 135 to prevent the short disconnections the battery_charger_counter is used too including | |
| 136 upcounting again while battery_i_charge_status == 255 and the connection is established | |
| 137 | |
| 138 */ | |
| 139 | |
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140 void battery_charger_get_status_and_contral_battery_gas_gauge(uint8_t cycleTimeBase) |
| 38 | 141 { |
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142 #ifdef ENABLE_CHARGER_STATUS_V2 |
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143 static uint8_t notifyChargeComplete = 0; |
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144 #endif |
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145 |
| 38 | 146 #ifdef OSTC_ON_DISCOVERY_HARDWARE |
| 147 return; | |
| 148 #endif | |
| 149 | |
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150 #ifdef ENABLE_CHARGER_STATUS_V2 |
| 662 | 151 |
| 152 if(batteryChargerState == Charger_ColdStart) /* wait for the first valid voltage meassurement */ | |
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153 { |
| 686 | 154 if((global.lifeData.battery_voltage != BATTERY_DEFAULT_VOLTAGE) && (global.lifeData.battery_voltage < BATTERY_CHARGER_CONNECTED_VOLTAGE)) |
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155 { |
| 662 | 156 if(global.lifeData.battery_voltage > BATTERY_ENDOF_CHARGE_VOLTAGE) /* Voltage close to full state => maybe new battery inserted */ |
| 157 { | |
| 158 battery_gas_gauge_set_charge_full(); | |
| 159 } | |
| 160 batteryChargerState = Charger_NotConnected; | |
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161 } |
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162 } |
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163 else |
| 662 | 164 { /* on disconnection or while disconnected */ |
| 165 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) | |
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166 { |
| 662 | 167 switch(batteryChargerState) |
| 168 { | |
| 686 | 169 case Charger_WarmUp: |
| 662 | 170 case Charger_Active: global.dataSendToMaster.chargeStatus = CHARGER_lostConnection; |
| 171 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection; | |
| 172 batteryChargerState = Charger_LostConnection; | |
| 686 | 173 if(cycleTimeBase > CHARGER_DEBOUNCE_SECONDS) /* adapt connection lost detection to sleep mode */ |
| 174 { | |
| 175 battery_charger_counter = cycleTimeBase + 1; | |
| 176 } | |
| 177 else | |
| 178 { | |
| 179 battery_charger_counter = CHARGER_DEBOUNCE_SECONDS; | |
| 180 } | |
| 662 | 181 break; |
| 686 | 182 case Charger_Finished: battery_charger_counter = 0; |
| 183 batteryChargerState = Charger_LostConnection; | |
| 184 /* no break */ | |
| 668 | 185 case Charger_LostConnection: /* the charger stops charging when charge current is 1/10 */ |
| 186 /* Basically it is OK to rate a charging as complete if a defined voltage is reached */ | |
| 686 | 187 if(((battery_gas_gauge_isChargeValueValid() == 0) || (global.lifeData.battery_charge < 90)) && (get_voltage() >= BATTERY_ENDOF_CHARGE_VOLTAGE) && (get_voltage() < BATTERY_CHARGER_CONNECTED_VOLTAGE)) |
| 662 | 188 { |
| 189 notifyChargeComplete = 1; | |
| 190 } | |
| 686 | 191 else |
| 192 { | |
| 193 notifyChargeComplete = 0; | |
| 194 } | |
| 195 if(battery_charger_counter >= cycleTimeBase) | |
| 662 | 196 { |
| 197 battery_charger_counter -= cycleTimeBase; | |
| 198 } | |
| 199 else | |
| 200 { | |
| 201 battery_charger_counter = 0; | |
| 202 battery_i_charge_status = 0; | |
| 203 global.dataSendToMaster.chargeStatus = CHARGER_off; | |
| 204 global.deviceDataSendToMaster.chargeStatus = CHARGER_off; | |
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205 |
| 662 | 206 if(notifyChargeComplete) |
| 207 { | |
| 208 battery_gas_gauge_set_charge_full(); | |
| 209 scheduleUpdateDeviceDataChargerFull(); | |
| 210 notifyChargeComplete = 0; | |
| 211 } | |
| 212 batteryChargerState = Charger_NotConnected; | |
| 213 } | |
| 214 break; | |
| 215 default: break; | |
| 216 } | |
| 217 } | |
| 218 else | |
| 219 { | |
| 220 /* connected */ | |
| 221 /* wait for disconnection to write and reset */ | |
| 222 switch(batteryChargerState) | |
| 223 { | |
| 224 case Charger_NotConnected: battery_i_charge_status = 1; | |
| 225 battery_charger_counter = 0; | |
| 226 batteryChargerState = Charger_WarmUp; | |
| 227 break; | |
| 228 case Charger_LostConnection: batteryChargerState = Charger_Active; | |
| 229 break; | |
| 230 case Charger_WarmUp: battery_charger_counter += cycleTimeBase; | |
| 231 if(battery_charger_counter >= CHARGER_DEBOUNCE_SECONDS ) | |
| 232 { | |
| 233 battery_i_charge_status = 2; | |
| 234 scheduleUpdateDeviceDataChargerCharging(); | |
| 235 batteryChargerState = Charger_Active; | |
| 236 } | |
| 237 /* no break */ | |
| 238 case Charger_Finished: | |
| 239 case Charger_Active: global.dataSendToMaster.chargeStatus = CHARGER_running; | |
| 240 global.deviceDataSendToMaster.chargeStatus = CHARGER_running; | |
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241 |
| 662 | 242 /* drive the output pin high to determine the state of the charger */ |
| 243 GPIO_InitTypeDef GPIO_InitStructure; | |
| 244 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 245 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; | |
| 246 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 247 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 248 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
| 249 HAL_GPIO_WritePin(CHARGE_OUT_GPIO_PORT, CHARGE_OUT_PIN,GPIO_PIN_SET); | |
| 250 HAL_Delay(1); | |
| 251 | |
| 252 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) /* high => charger stopped charging */ | |
| 253 { | |
| 254 batteryChargerState = Charger_Finished; | |
| 255 global.dataSendToMaster.chargeStatus = CHARGER_complete; | |
| 256 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete; | |
| 257 battery_charger_counter = 30; | |
| 258 notifyChargeComplete = 1; | |
| 259 } | |
| 260 else | |
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261 { |
| 668 | 262 if(global.lifeData.battery_charge > 100.0) /* still charging but indicator is set to full => decrease to 99% to keep count increasing */ |
| 263 { | |
| 264 battery_gas_gauge_set(99.0); | |
| 265 } | |
| 662 | 266 if(batteryChargerState == Charger_Finished) /* voltage dropped below the hysteresis again => charging restarted */ |
| 267 { | |
| 268 batteryChargerState = Charger_Active; | |
| 269 notifyChargeComplete = 0; | |
| 270 } | |
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271 } |
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272 |
| 662 | 273 /* restore high impedance to be able to detect disconnection */ |
| 274 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 275 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 276 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 277 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 278 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
| 279 HAL_Delay(1); | |
| 280 break; | |
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281 |
| 662 | 282 default: /* wait for disconnection */ |
| 283 break; | |
| 284 } | |
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285 } |
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286 } |
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287 #else |
| 38 | 288 /* on disconnection or while disconnected */ |
| 289 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) | |
| 290 { | |
| 291 if(battery_charger_counter) | |
| 292 { | |
| 293 battery_charger_counter--; | |
| 294 global.dataSendToMaster.chargeStatus = CHARGER_lostConnection; | |
| 295 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection; | |
| 296 } | |
| 297 /* max count down to 127+5 or 127+20 */ | |
| 298 if((battery_i_charge_status == 255) && battery_charger_counter < 127) | |
| 299 { | |
| 300 // battery_gas_gauge_set_charge_full(); | |
| 301 // scheduleUpdateDeviceDataChargerFull(); | |
| 302 battery_charger_counter = 0; | |
| 303 } | |
| 304 | |
| 305 if(battery_charger_counter == 0) | |
| 306 { | |
| 307 battery_i_charge_status = 0; | |
| 308 global.dataSendToMaster.chargeStatus = CHARGER_off; | |
| 309 global.deviceDataSendToMaster.chargeStatus = CHARGER_off; | |
| 310 | |
| 311 } | |
| 312 return; | |
| 313 } | |
| 314 | |
| 315 /* connected */ | |
| 316 | |
| 317 /* wait for disconnection to write and reset */ | |
| 318 if(battery_i_charge_status == 255) | |
| 319 { | |
| 320 global.dataSendToMaster.chargeStatus = CHARGER_complete; | |
| 321 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete; | |
| 322 | |
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323 if(((cycleTimeBase > 1) && (battery_charger_counter < 127+5)) || (battery_charger_counter < 127+20)) |
| 38 | 324 battery_charger_counter++; |
| 325 return; | |
| 326 } | |
| 327 | |
| 328 if(battery_charger_counter == 0) | |
| 329 battery_i_charge_status = 1; | |
| 330 | |
| 331 /* charger is connected and didn't signal full yet */ | |
| 332 global.dataSendToMaster.chargeStatus = CHARGER_running; | |
| 333 global.deviceDataSendToMaster.chargeStatus = CHARGER_running; | |
| 334 | |
| 335 GPIO_InitTypeDef GPIO_InitStructure; | |
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336 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; |
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337 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; |
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338 GPIO_InitStructure.Pull = GPIO_NOPULL; |
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339 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; |
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340 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); |
| 38 | 341 HAL_GPIO_WritePin(CHARGE_OUT_GPIO_PORT, CHARGE_OUT_PIN,GPIO_PIN_SET); |
| 342 HAL_Delay(1); | |
| 343 | |
| 344 | |
| 345 if(battery_charger_counter < 120) | |
| 346 { | |
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347 if(cycleTimeBase == 1) |
| 38 | 348 battery_charger_counter++; |
| 349 else | |
| 350 { | |
| 351 battery_charger_counter += 30; | |
| 352 if(battery_charger_counter >= 127) | |
| 353 battery_charger_counter = 126; | |
| 354 } | |
| 355 } | |
| 356 else | |
| 357 if(battery_charger_counter < 127) | |
| 358 { | |
| 359 battery_charger_counter = 127; | |
| 360 if(battery_i_charge_status < 2) | |
| 361 { | |
| 362 battery_i_charge_status = 2; | |
| 363 scheduleUpdateDeviceDataChargerCharging(); | |
| 364 } | |
| 365 } | |
| 366 | |
| 367 if(battery_charger_counter >= 127) | |
| 368 { | |
| 369 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN) || (get_voltage() >= 4.1f)) | |
| 370 { | |
| 371 battery_charger_counter++; | |
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372 if(((cycleTimeBase > 1) && (battery_charger_counter > 127+5)) || (battery_charger_counter > 127+20)) |
| 38 | 373 { |
| 374 battery_charger_counter = 127; | |
| 375 if(get_voltage() >= 4.1f) | |
| 376 { | |
| 377 battery_i_charge_status = 255; | |
| 378 battery_gas_gauge_set_charge_full(); | |
| 379 scheduleUpdateDeviceDataChargerFull(); | |
| 380 } | |
| 381 } | |
| 382 } | |
| 383 else | |
| 384 battery_charger_counter = 127; | |
| 385 } | |
| 386 | |
| 387 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 388 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 389 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 390 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 391 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
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392 #endif |
| 38 | 393 } |
| 394 | |
| 395 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |