annotate Small_CPU/Src/batteryCharger.c @ 780:e40790a67165

Discovery<=>SmallCPU inferface update: The sensor data struct is extended to store the data of up to three (three visible O2 sensors). To avoid unnecessary payload on the SPI only the last update sensor data item is transfered. The sender receiver uses the sensor ID which is provided in parallel to identify the correct storage location.
author Ideenmodellierer
date Tue, 23 May 2023 21:50:19 +0200
parents b1e24513b83e
children d32901746950
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1 /**
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2 ******************************************************************************
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3 * @file batteryCharger.c
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4 * @author heinrichs weikamp gmbh
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5 * @date 09-Dec-2014
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6 * @version V0.0.1
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7 * @since 09-Dec-2014
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8 * @brief LTC4054 Battery Charger
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9 *
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10 @verbatim
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11 ==============================================================================
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12 ##### How to use #####
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13 ==============================================================================
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14
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15 The bq5105x provides one status output, CHG. This output is an open-drain NMOS device that is rated to 20 V.
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16 The open-drain FET connected to the CHG pin will be turned on whenever the output (BAT) of the charger is
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17 enabled. As a note, the output of the charger supply will not be enabled if the VRECT-REG does not converge to the
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18 no-load target voltage.
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19
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20 CHG F4 7 O Open-drain output � active when BAT is enabled. Float if not used.
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21
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22 @endverbatim
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23 ******************************************************************************
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24 * @attention
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25 *
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26 * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
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27 *
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28 ******************************************************************************
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29 */
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30 /* Includes ------------------------------------------------------------------*/
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31 #include "batteryCharger.h"
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32 #include "batteryGasGauge.h"
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33 #include "stm32f4xx_hal.h"
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34 #include "scheduler.h"
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35
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36
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37 /* Use This compile switch to select the new charger status control implementation */
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38 #define ENABLE_CHARGER_STATUS_V2
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39
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40 #define CHARGER_DEBOUNCE_SECONDS (6u) /* 6 seconds used to avoid problems with charger interrupts / disconnections */
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41
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42 static uint8_t battery_i_charge_status = 0;
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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
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48
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49 /* can be 0, 1 or 255
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50 * 0 is disconnected
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51 * 1 is charging
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52 * 255 is full
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53 */
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54 uint8_t get_charge_status(void)
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55 {
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56 return battery_i_charge_status;
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57 }
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58
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59 void set_charge_state(uint8_t newState)
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60 {
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61 #ifdef ENABLE_CHARGER_STATUS_V2
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62 if(newState < Charger_END)
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63 {
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64 batteryChargerState = newState;
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65 }
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66 #endif
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67 }
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68
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69 uint8_t get_charge_state(void)
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70 {
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71 return batteryChargerState;
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72 }
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73
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74 void init_battery_charger_status(void)
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75 {
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76 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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77 return;
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78 #endif
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79
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80 CHARGE_IN_GPIO_ENABLE();
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81 CHARGE_OUT_GPIO_ENABLE();
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82
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83 ReInit_battery_charger_status_pins();
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84 }
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85
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86 void ReInit_battery_charger_status_pins(void)
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87 {
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88 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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89 return;
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90 #endif
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91
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92 GPIO_InitTypeDef GPIO_InitStructure;
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93
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94 GPIO_InitStructure.Pin = CHARGE_IN_PIN;
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95 GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
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96 GPIO_InitStructure.Pull = GPIO_NOPULL;
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97 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
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98 HAL_GPIO_Init(CHARGE_IN_GPIO_PORT, &GPIO_InitStructure);
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99
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100 GPIO_InitStructure.Pin = CHARGE_OUT_PIN;
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101 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
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102 GPIO_InitStructure.Pull = GPIO_NOPULL;
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103 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
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104 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure);
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105 }
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106
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107
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108 void DeInit_battery_charger_status_pins(void)
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109 {
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110 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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111 return;
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112 #endif
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113 GPIO_InitTypeDef GPIO_InitStructure;
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114
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115
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116 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
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117 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
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118 GPIO_InitStructure.Pull = GPIO_NOPULL;
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119
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120 GPIO_InitStructure.Pin = CHARGE_IN_PIN;
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121 HAL_GPIO_Init(CHARGE_IN_GPIO_PORT, &GPIO_InitStructure);
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122
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123 GPIO_InitStructure.Pin = CHARGE_OUT_PIN;
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124 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure);
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125 }
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126
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127 /* static counter is used to avoid multiple counts of charge startings
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128 and after that it is used, starting at 127 to count for the charge full signal
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129
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130 there a short disconnections with the QI charger
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131 therefore the battery_charger_counter has a countdown instead of = 0.
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132
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133 battery_gas_gauge_set_charge_full and scheduleUpdateDeviceDataChargerFull are
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134 set after disconnection as the charging process continues as long as not disconnected
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135 to prevent the short disconnections the battery_charger_counter is used too including
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136 upcounting again while battery_i_charge_status == 255 and the connection is established
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137
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138 */
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139
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140 void battery_charger_get_status_and_contral_battery_gas_gauge(uint8_t cycleTimeBase)
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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
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146 #ifdef OSTC_ON_DISCOVERY_HARDWARE
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147 return;
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148 #endif
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149
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150 #ifdef ENABLE_CHARGER_STATUS_V2
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151
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152 if(batteryChargerState == Charger_ColdStart) /* wait for the first valid voltage meassurement */
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153 {
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154 if((global.lifeData.battery_voltage != BATTERY_DEFAULT_VOLTAGE) && (global.lifeData.battery_voltage < BATTERY_CHARGER_CONNECTED_VOLTAGE))
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155 {
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156 if(global.lifeData.battery_voltage > BATTERY_ENDOF_CHARGE_VOLTAGE) /* Voltage close to full state => maybe new battery inserted */
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157 {
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158 battery_gas_gauge_set_charge_full();
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159 }
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160 batteryChargerState = Charger_NotConnected;
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161 }
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162 }
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163 else
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164 { /* on disconnection or while disconnected */
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165 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN))
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166 {
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167 switch(batteryChargerState)
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168 {
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169 case Charger_WarmUp:
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170 case Charger_Active: global.dataSendToMaster.chargeStatus = CHARGER_lostConnection;
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171 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection;
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172 batteryChargerState = Charger_LostConnection;
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173 if(cycleTimeBase > CHARGER_DEBOUNCE_SECONDS) /* adapt connection lost detection to sleep mode */
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174 {
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175 battery_charger_counter = cycleTimeBase + 1;
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176 }
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177 else
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178 {
b1e24513b83e Bugfix Battery charge complete event:
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179 battery_charger_counter = CHARGER_DEBOUNCE_SECONDS;
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diff changeset
180 }
662
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181 break;
686
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182 case Charger_Finished: battery_charger_counter = 0;
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183 batteryChargerState = Charger_LostConnection;
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184 /* no break */
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185 case Charger_LostConnection: /* the charger stops charging when charge current is 1/10 */
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186 /* Basically it is OK to rate a charging as complete if a defined voltage is reached */
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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
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188 {
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189 notifyChargeComplete = 1;
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190 }
686
b1e24513b83e Bugfix Battery charge complete event:
Ideenmodellierer
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191 else
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diff changeset
192 {
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193 notifyChargeComplete = 0;
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194 }
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195 if(battery_charger_counter >= cycleTimeBase)
662
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196 {
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197 battery_charger_counter -= cycleTimeBase;
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198 }
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199 else
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200 {
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201 battery_charger_counter = 0;
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202 battery_i_charge_status = 0;
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203 global.dataSendToMaster.chargeStatus = CHARGER_off;
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204 global.deviceDataSendToMaster.chargeStatus = CHARGER_off;
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205
662
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206 if(notifyChargeComplete)
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207 {
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208 battery_gas_gauge_set_charge_full();
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209 scheduleUpdateDeviceDataChargerFull();
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210 notifyChargeComplete = 0;
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211 }
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212 batteryChargerState = Charger_NotConnected;
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213 }
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214 break;
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215 default: break;
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216 }
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217 }
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218 else
1b995079c045 PSCR Mode
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219 {
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220 /* connected */
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221 /* wait for disconnection to write and reset */
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222 switch(batteryChargerState)
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223 {
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224 case Charger_NotConnected: battery_i_charge_status = 1;
1b995079c045 PSCR Mode
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225 battery_charger_counter = 0;
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226 batteryChargerState = Charger_WarmUp;
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227 break;
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228 case Charger_LostConnection: batteryChargerState = Charger_Active;
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229 break;
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230 case Charger_WarmUp: battery_charger_counter += cycleTimeBase;
1b995079c045 PSCR Mode
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231 if(battery_charger_counter >= CHARGER_DEBOUNCE_SECONDS )
1b995079c045 PSCR Mode
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232 {
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233 battery_i_charge_status = 2;
1b995079c045 PSCR Mode
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234 scheduleUpdateDeviceDataChargerCharging();
1b995079c045 PSCR Mode
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235 batteryChargerState = Charger_Active;
1b995079c045 PSCR Mode
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236 }
1b995079c045 PSCR Mode
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237 /* no break */
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238 case Charger_Finished:
1b995079c045 PSCR Mode
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239 case Charger_Active: global.dataSendToMaster.chargeStatus = CHARGER_running;
1b995079c045 PSCR Mode
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240 global.deviceDataSendToMaster.chargeStatus = CHARGER_running;
643
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241
662
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242 /* drive the output pin high to determine the state of the charger */
1b995079c045 PSCR Mode
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243 GPIO_InitTypeDef GPIO_InitStructure;
1b995079c045 PSCR Mode
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244 GPIO_InitStructure.Pin = CHARGE_OUT_PIN;
1b995079c045 PSCR Mode
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245 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
1b995079c045 PSCR Mode
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246 GPIO_InitStructure.Pull = GPIO_NOPULL;
1b995079c045 PSCR Mode
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247 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
1b995079c045 PSCR Mode
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248 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure);
1b995079c045 PSCR Mode
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249 HAL_GPIO_WritePin(CHARGE_OUT_GPIO_PORT, CHARGE_OUT_PIN,GPIO_PIN_SET);
1b995079c045 PSCR Mode
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250 HAL_Delay(1);
1b995079c045 PSCR Mode
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251
1b995079c045 PSCR Mode
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252 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN)) /* high => charger stopped charging */
1b995079c045 PSCR Mode
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253 {
1b995079c045 PSCR Mode
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254 batteryChargerState = Charger_Finished;
1b995079c045 PSCR Mode
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255 global.dataSendToMaster.chargeStatus = CHARGER_complete;
1b995079c045 PSCR Mode
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diff changeset
256 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete;
1b995079c045 PSCR Mode
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257 battery_charger_counter = 30;
1b995079c045 PSCR Mode
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diff changeset
258 notifyChargeComplete = 1;
1b995079c045 PSCR Mode
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diff changeset
259 }
1b995079c045 PSCR Mode
heinrichs weikamp
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diff changeset
260 else
643
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
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diff changeset
261 {
668
079bb5b22c06 Rework charge cycle:
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262 if(global.lifeData.battery_charge > 100.0) /* still charging but indicator is set to full => decrease to 99% to keep count increasing */
079bb5b22c06 Rework charge cycle:
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diff changeset
263 {
079bb5b22c06 Rework charge cycle:
Ideenmodellierer
parents: 662
diff changeset
264 battery_gas_gauge_set(99.0);
079bb5b22c06 Rework charge cycle:
Ideenmodellierer
parents: 662
diff changeset
265 }
662
1b995079c045 PSCR Mode
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266 if(batteryChargerState == Charger_Finished) /* voltage dropped below the hysteresis again => charging restarted */
1b995079c045 PSCR Mode
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267 {
1b995079c045 PSCR Mode
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268 batteryChargerState = Charger_Active;
1b995079c045 PSCR Mode
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269 notifyChargeComplete = 0;
1b995079c045 PSCR Mode
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270 }
643
5149cd644fbc Reimplemented charger status generation (deactivated):
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diff changeset
271 }
5149cd644fbc Reimplemented charger status generation (deactivated):
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parents: 38
diff changeset
272
662
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273 /* restore high impedance to be able to detect disconnection */
1b995079c045 PSCR Mode
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274 GPIO_InitStructure.Pin = CHARGE_OUT_PIN;
1b995079c045 PSCR Mode
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275 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
1b995079c045 PSCR Mode
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276 GPIO_InitStructure.Pull = GPIO_NOPULL;
1b995079c045 PSCR Mode
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277 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
1b995079c045 PSCR Mode
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diff changeset
278 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure);
1b995079c045 PSCR Mode
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279 HAL_Delay(1);
1b995079c045 PSCR Mode
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280 break;
643
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
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diff changeset
281
662
1b995079c045 PSCR Mode
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282 default: /* wait for disconnection */
1b995079c045 PSCR Mode
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283 break;
1b995079c045 PSCR Mode
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284 }
643
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
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285 }
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
parents: 38
diff changeset
286 }
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
parents: 38
diff changeset
287 #else
38
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288 /* on disconnection or while disconnected */
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289 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN))
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290 {
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parents:
diff changeset
291 if(battery_charger_counter)
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heinrichsweikamp
parents:
diff changeset
292 {
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heinrichsweikamp
parents:
diff changeset
293 battery_charger_counter--;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
294 global.dataSendToMaster.chargeStatus = CHARGER_lostConnection;
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parents:
diff changeset
295 global.deviceDataSendToMaster.chargeStatus = CHARGER_lostConnection;
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parents:
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296 }
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297 /* max count down to 127+5 or 127+20 */
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298 if((battery_i_charge_status == 255) && battery_charger_counter < 127)
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299 {
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
300 // battery_gas_gauge_set_charge_full();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
301 // scheduleUpdateDeviceDataChargerFull();
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302 battery_charger_counter = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
303 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
304
5f11787b4f42 include in ostc4 repository
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parents:
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305 if(battery_charger_counter == 0)
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heinrichsweikamp
parents:
diff changeset
306 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
307 battery_i_charge_status = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
308 global.dataSendToMaster.chargeStatus = CHARGER_off;
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
309 global.deviceDataSendToMaster.chargeStatus = CHARGER_off;
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heinrichsweikamp
parents:
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310
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
311 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
312 return;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
313 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
314
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heinrichsweikamp
parents:
diff changeset
315 /* connected */
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
316
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heinrichsweikamp
parents:
diff changeset
317 /* wait for disconnection to write and reset */
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heinrichsweikamp
parents:
diff changeset
318 if(battery_i_charge_status == 255)
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heinrichsweikamp
parents:
diff changeset
319 {
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heinrichsweikamp
parents:
diff changeset
320 global.dataSendToMaster.chargeStatus = CHARGER_complete;
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parents:
diff changeset
321 global.deviceDataSendToMaster.chargeStatus = CHARGER_complete;
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parents:
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322
643
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
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diff changeset
323 if(((cycleTimeBase > 1) && (battery_charger_counter < 127+5)) || (battery_charger_counter < 127+20))
38
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heinrichsweikamp
parents:
diff changeset
324 battery_charger_counter++;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
325 return;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
326 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
327
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
328 if(battery_charger_counter == 0)
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parents:
diff changeset
329 battery_i_charge_status = 1;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
330
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
331 /* charger is connected and didn't signal full yet */
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parents:
diff changeset
332 global.dataSendToMaster.chargeStatus = CHARGER_running;
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heinrichsweikamp
parents:
diff changeset
333 global.deviceDataSendToMaster.chargeStatus = CHARGER_running;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
334
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heinrichsweikamp
parents:
diff changeset
335 GPIO_InitTypeDef GPIO_InitStructure;
643
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
parents: 38
diff changeset
336 GPIO_InitStructure.Pin = CHARGE_OUT_PIN;
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
parents: 38
diff changeset
337 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
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diff changeset
338 GPIO_InitStructure.Pull = GPIO_NOPULL;
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Ideenmodellierer
parents: 38
diff changeset
339 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
parents: 38
diff changeset
340 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure);
38
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
341 HAL_GPIO_WritePin(CHARGE_OUT_GPIO_PORT, CHARGE_OUT_PIN,GPIO_PIN_SET);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
342 HAL_Delay(1);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
343
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
344
5f11787b4f42 include in ostc4 repository
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diff changeset
345 if(battery_charger_counter < 120)
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diff changeset
346 {
643
5149cd644fbc Reimplemented charger status generation (deactivated):
Ideenmodellierer
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diff changeset
347 if(cycleTimeBase == 1)
38
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
348 battery_charger_counter++;
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heinrichsweikamp
parents:
diff changeset
349 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
350 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
351 battery_charger_counter += 30;
5f11787b4f42 include in ostc4 repository
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352 if(battery_charger_counter >= 127)
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heinrichsweikamp
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diff changeset
353 battery_charger_counter = 126;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
354 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
355 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
356 else
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heinrichsweikamp
parents:
diff changeset
357 if(battery_charger_counter < 127)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
358 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
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359 battery_charger_counter = 127;
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360 if(battery_i_charge_status < 2)
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361 {
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362 battery_i_charge_status = 2;
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363 scheduleUpdateDeviceDataChargerCharging();
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364 }
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365 }
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366
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367 if(battery_charger_counter >= 127)
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368 {
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369 if(HAL_GPIO_ReadPin(CHARGE_IN_GPIO_PORT,CHARGE_IN_PIN) || (get_voltage() >= 4.1f))
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370 {
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371 battery_charger_counter++;
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372 if(((cycleTimeBase > 1) && (battery_charger_counter > 127+5)) || (battery_charger_counter > 127+20))
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373 {
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374 battery_charger_counter = 127;
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375 if(get_voltage() >= 4.1f)
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376 {
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377 battery_i_charge_status = 255;
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378 battery_gas_gauge_set_charge_full();
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379 scheduleUpdateDeviceDataChargerFull();
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380 }
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381 }
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382 }
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383 else
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384 battery_charger_counter = 127;
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385 }
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386
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387 GPIO_InitStructure.Pin = CHARGE_OUT_PIN;
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388 GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
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389 GPIO_InitStructure.Pull = GPIO_NOPULL;
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390 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
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391 HAL_GPIO_Init(CHARGE_OUT_GPIO_PORT, &GPIO_InitStructure);
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392 #endif
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393 }
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394
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395 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/