Mercurial > public > ostc4
annotate Small_CPU/Src/batteryCharger.c @ 656:3ccf13af4651
Added visualization of scrubber time:
The remaining scrubber timer may be displayed in minutes or percentage of maximum time (both countdown). The value is displayed in the lower left corner, the overview custom view in T7 display as well as in the O2 Monitor view of the T3 display.
| author | Ideenmodellierer |
|---|---|
| date | Sun, 25 Apr 2021 20:47:01 +0200 |
| parents | e58f81cb25a7 |
| children | 1b995079c045 |
| 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 |
| 38 | 40 #define CHARGE_IN_PIN GPIO_PIN_2 |
| 41 #define CHARGE_IN_GPIO_PORT GPIOC | |
| 42 #define CHARGE_IN_GPIO_ENABLE() __GPIOC_CLK_ENABLE() | |
| 43 | |
| 44 #define CHARGE_OUT_PIN GPIO_PIN_1 | |
| 45 #define CHARGE_OUT_GPIO_PORT GPIOC | |
| 46 #define CHARGE_OUT_GPIO_ENABLE() __GPIOC_CLK_ENABLE() | |
| 47 | |
| 645 | 48 #define CHARGER_DEBOUNCE_SECONDS (5u) /* 5 seconds used to avoid problems with charger interrupts / disconnections */ |
| 38 | 49 |
| 50 uint8_t battery_i_charge_status = 0; | |
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51 uint16_t battery_charger_counter = 0; |
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52 |
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53 #ifdef ENABLE_CHARGER_STATUS_V2 |
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54 typedef enum |
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55 { |
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56 Charger_NotConnected = 0, /* This is identified reading CHARGE_IN_PIN == HIGH */ |
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57 Charger_WarmUp, /* Charging started but counter did not yet reach a certain limit (used to debounce connect / disconnect events to avoid multiple increases of statistic charging cycle counter) */ |
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58 Charger_Active, /* Charging identified by CHARGE_IN_PIN == LOW for a certain time */ |
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59 Charger_Finished, |
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60 Charger_LostConnection /* Intermediate state to debounce disconnecting events (including charging error state like over temperature) */ |
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61 } chargerState_t; |
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62 |
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63 static chargerState_t batteryChargerState = Charger_NotConnected; |
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64 #endif |
| 38 | 65 |
| 66 /* can be 0, 1 or 255 | |
| 67 * 0 is disconnected | |
| 68 * 1 is charging | |
| 69 * 255 is full | |
| 70 */ | |
| 71 uint8_t get_charge_status(void) | |
| 72 { | |
| 73 return battery_i_charge_status; | |
| 74 } | |
| 75 | |
| 76 void init_battery_charger_status(void) | |
| 77 { | |
| 78 #ifdef OSTC_ON_DISCOVERY_HARDWARE | |
| 79 return; | |
| 80 #endif | |
| 81 | |
| 82 CHARGE_IN_GPIO_ENABLE(); | |
| 83 CHARGE_OUT_GPIO_ENABLE(); | |
| 84 | |
| 85 ReInit_battery_charger_status_pins(); | |
| 86 } | |
| 87 | |
| 88 void ReInit_battery_charger_status_pins(void) | |
| 89 { | |
| 90 #ifdef OSTC_ON_DISCOVERY_HARDWARE | |
| 91 return; | |
| 92 #endif | |
| 93 | |
| 94 GPIO_InitTypeDef GPIO_InitStructure; | |
| 95 | |
| 96 GPIO_InitStructure.Pin = CHARGE_IN_PIN; | |
| 97 GPIO_InitStructure.Mode = GPIO_MODE_INPUT; | |
| 98 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 99 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 100 HAL_GPIO_Init(CHARGE_IN_GPIO_PORT, &GPIO_InitStructure); | |
| 101 | |
| 102 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 103 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 104 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 105 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 106 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
| 107 } | |
| 108 | |
| 109 | |
| 110 void DeInit_battery_charger_status_pins(void) | |
| 111 { | |
| 112 #ifdef OSTC_ON_DISCOVERY_HARDWARE | |
| 113 return; | |
| 114 #endif | |
| 115 GPIO_InitTypeDef GPIO_InitStructure; | |
| 116 | |
| 117 | |
| 118 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 119 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 120 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 121 | |
| 122 GPIO_InitStructure.Pin = CHARGE_IN_PIN; | |
| 123 HAL_GPIO_Init(CHARGE_IN_GPIO_PORT, &GPIO_InitStructure); | |
| 124 | |
| 125 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 126 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
| 127 } | |
| 128 | |
| 129 /* static counter is used to avoid multiple counts of charge startings | |
| 130 and after that it is used, starting at 127 to count for the charge full signal | |
| 131 | |
| 132 there a short disconnections with the QI charger | |
| 133 therefore the battery_charger_counter has a countdown instead of = 0. | |
| 134 | |
| 135 battery_gas_gauge_set_charge_full and scheduleUpdateDeviceDataChargerFull are | |
| 136 set after disconnection as the charging process continues as long as not disconnected | |
| 137 to prevent the short disconnections the battery_charger_counter is used too including | |
| 138 upcounting again while battery_i_charge_status == 255 and the connection is established | |
| 139 | |
| 140 */ | |
| 141 | |
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142 void battery_charger_get_status_and_contral_battery_gas_gauge(uint8_t cycleTimeBase) |
| 38 | 143 { |
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144 #ifdef ENABLE_CHARGER_STATUS_V2 |
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145 static uint8_t notifyChargeComplete = 0; |
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146 #endif |
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147 |
| 38 | 148 #ifdef OSTC_ON_DISCOVERY_HARDWARE |
| 149 return; | |
| 150 #endif | |
| 151 | |
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152 #ifdef ENABLE_CHARGER_STATUS_V2 |
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153 /* on disconnection or while disconnected */ |
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154 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) |
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155 { |
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156 switch(batteryChargerState) |
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157 { |
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158 case Charger_Active: global.dataSendToMaster.chargeStatus = CHARGER_lostConnection; |
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159 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection; |
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160 batteryChargerState = Charger_LostConnection; |
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161 battery_charger_counter = CHARGER_DEBOUNCE_SECONDS; |
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162 |
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163 if(get_voltage() >= 4.1f) /* the charger stops charging when charge current is 1/10. */ |
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164 { /* Basically it is OK to rate a charging as complete if a defined voltage is reached */ |
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165 batteryChargerState = Charger_Finished; |
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166 global.dataSendToMaster.chargeStatus = CHARGER_complete; |
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167 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete; |
| 645 | 168 battery_charger_counter = 15; |
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169 notifyChargeComplete = 1; |
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170 } |
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171 break; |
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172 case Charger_WarmUp: |
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173 case Charger_Finished: |
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174 case Charger_LostConnection: if(battery_charger_counter >= cycleTimeBase) |
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175 { |
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176 battery_charger_counter -= cycleTimeBase; |
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177 global.dataSendToMaster.chargeStatus = CHARGER_lostConnection; |
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178 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection; |
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179 batteryChargerState = Charger_LostConnection; |
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180 } |
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181 else |
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182 { |
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183 battery_charger_counter = 0; |
| 645 | 184 battery_i_charge_status = 0; |
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185 global.dataSendToMaster.chargeStatus = CHARGER_off; |
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186 global.deviceDataSendToMaster.chargeStatus = CHARGER_off; |
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187 |
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188 if(notifyChargeComplete) |
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189 { |
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190 battery_gas_gauge_set_charge_full(); |
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191 scheduleUpdateDeviceDataChargerFull(); |
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192 notifyChargeComplete = 0; |
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193 } |
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194 batteryChargerState = Charger_NotConnected; |
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195 } |
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196 break; |
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197 default: break; |
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198 } |
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199 } |
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200 else |
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201 { |
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202 /* connected */ |
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203 /* wait for disconnection to write and reset */ |
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204 switch(batteryChargerState) |
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205 { |
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206 case Charger_NotConnected: battery_i_charge_status = 1; |
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207 battery_charger_counter = 0; |
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208 batteryChargerState = Charger_WarmUp; |
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209 break; |
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210 case Charger_LostConnection: batteryChargerState = Charger_Active; |
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211 break; |
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212 case Charger_WarmUp: battery_charger_counter += cycleTimeBase; |
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213 if(battery_charger_counter >= CHARGER_DEBOUNCE_SECONDS ) |
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214 { |
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215 battery_i_charge_status = 2; |
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216 scheduleUpdateDeviceDataChargerCharging(); |
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217 batteryChargerState = Charger_Active; |
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218 } |
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219 /* no break */ |
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220 case Charger_Finished: |
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221 case Charger_Active: global.dataSendToMaster.chargeStatus = CHARGER_running; |
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222 global.deviceDataSendToMaster.chargeStatus = CHARGER_running; |
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223 |
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224 /* drive the output pin high to determine the state of the charger */ |
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225 GPIO_InitTypeDef GPIO_InitStructure; |
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226 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; |
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227 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; |
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228 GPIO_InitStructure.Pull = GPIO_NOPULL; |
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229 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; |
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230 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); |
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231 HAL_GPIO_WritePin(CHARGE_OUT_GPIO_PORT, CHARGE_OUT_PIN,GPIO_PIN_SET); |
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232 HAL_Delay(1); |
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233 |
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234 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) /* high => charger stopped charging */ |
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235 { |
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236 batteryChargerState = Charger_Finished; |
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237 global.dataSendToMaster.chargeStatus = CHARGER_complete; |
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238 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete; |
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239 battery_charger_counter = 30; |
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240 notifyChargeComplete = 1; |
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241 } |
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242 else |
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243 { |
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244 if(batteryChargerState == Charger_Finished) /* voltage dropped below the hysteresis again => charging restarted */ |
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245 { |
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246 batteryChargerState = Charger_Active; |
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247 notifyChargeComplete = 0; |
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248 } |
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249 } |
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250 |
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251 /* restore high impedance to be able to detect disconnection */ |
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252 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; |
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253 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; |
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254 GPIO_InitStructure.Pull = GPIO_NOPULL; |
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255 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; |
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256 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); |
| 645 | 257 HAL_Delay(1); |
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258 break; |
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259 |
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260 default: /* wait for disconnection */ |
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261 break; |
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262 } |
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263 } |
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264 #else |
| 38 | 265 /* on disconnection or while disconnected */ |
| 266 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) | |
| 267 { | |
| 268 if(battery_charger_counter) | |
| 269 { | |
| 270 battery_charger_counter--; | |
| 271 global.dataSendToMaster.chargeStatus = CHARGER_lostConnection; | |
| 272 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection; | |
| 273 } | |
| 274 /* max count down to 127+5 or 127+20 */ | |
| 275 if((battery_i_charge_status == 255) && battery_charger_counter < 127) | |
| 276 { | |
| 277 // battery_gas_gauge_set_charge_full(); | |
| 278 // scheduleUpdateDeviceDataChargerFull(); | |
| 279 battery_charger_counter = 0; | |
| 280 } | |
| 281 | |
| 282 if(battery_charger_counter == 0) | |
| 283 { | |
| 284 battery_i_charge_status = 0; | |
| 285 global.dataSendToMaster.chargeStatus = CHARGER_off; | |
| 286 global.deviceDataSendToMaster.chargeStatus = CHARGER_off; | |
| 287 | |
| 288 } | |
| 289 return; | |
| 290 } | |
| 291 | |
| 292 /* connected */ | |
| 293 | |
| 294 /* wait for disconnection to write and reset */ | |
| 295 if(battery_i_charge_status == 255) | |
| 296 { | |
| 297 global.dataSendToMaster.chargeStatus = CHARGER_complete; | |
| 298 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete; | |
| 299 | |
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300 if(((cycleTimeBase > 1) && (battery_charger_counter < 127+5)) || (battery_charger_counter < 127+20)) |
| 38 | 301 battery_charger_counter++; |
| 302 return; | |
| 303 } | |
| 304 | |
| 305 if(battery_charger_counter == 0) | |
| 306 battery_i_charge_status = 1; | |
| 307 | |
| 308 /* charger is connected and didn't signal full yet */ | |
| 309 global.dataSendToMaster.chargeStatus = CHARGER_running; | |
| 310 global.deviceDataSendToMaster.chargeStatus = CHARGER_running; | |
| 311 | |
| 312 GPIO_InitTypeDef GPIO_InitStructure; | |
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313 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; |
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314 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; |
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315 GPIO_InitStructure.Pull = GPIO_NOPULL; |
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316 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; |
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317 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); |
| 38 | 318 HAL_GPIO_WritePin(CHARGE_OUT_GPIO_PORT, CHARGE_OUT_PIN,GPIO_PIN_SET); |
| 319 HAL_Delay(1); | |
| 320 | |
| 321 | |
| 322 if(battery_charger_counter < 120) | |
| 323 { | |
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324 if(cycleTimeBase == 1) |
| 38 | 325 battery_charger_counter++; |
| 326 else | |
| 327 { | |
| 328 battery_charger_counter += 30; | |
| 329 if(battery_charger_counter >= 127) | |
| 330 battery_charger_counter = 126; | |
| 331 } | |
| 332 } | |
| 333 else | |
| 334 if(battery_charger_counter < 127) | |
| 335 { | |
| 336 battery_charger_counter = 127; | |
| 337 if(battery_i_charge_status < 2) | |
| 338 { | |
| 339 battery_i_charge_status = 2; | |
| 340 scheduleUpdateDeviceDataChargerCharging(); | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 if(battery_charger_counter >= 127) | |
| 345 { | |
| 346 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN) || (get_voltage() >= 4.1f)) | |
| 347 { | |
| 348 battery_charger_counter++; | |
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349 if(((cycleTimeBase > 1) && (battery_charger_counter > 127+5)) || (battery_charger_counter > 127+20)) |
| 38 | 350 { |
| 351 battery_charger_counter = 127; | |
| 352 if(get_voltage() >= 4.1f) | |
| 353 { | |
| 354 battery_i_charge_status = 255; | |
| 355 battery_gas_gauge_set_charge_full(); | |
| 356 scheduleUpdateDeviceDataChargerFull(); | |
| 357 } | |
| 358 } | |
| 359 } | |
| 360 else | |
| 361 battery_charger_counter = 127; | |
| 362 } | |
| 363 | |
| 364 GPIO_InitStructure.Pin = CHARGE_OUT_PIN; | |
| 365 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; | |
| 366 GPIO_InitStructure.Pull = GPIO_NOPULL; | |
| 367 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 368 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure); | |
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369 #endif |
| 38 | 370 } |
| 371 | |
| 372 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |