FreeCalypso > hg > fc-tourmaline
annotate src/cs/drivers/drv_app/pwr/pwr_process.c @ 281:a75eefbf8be4
Phone boot with PWON: weed out short button presses
Every standard end user phone has a design provision, most naturally
implemented in firmware, whereby the PWON button effects a boot only
if it is held down long enough - short presses of this PWON button
are detected, assumed to be spurious and cause the fw to power back off
instead of proceeding with boot. The present change introduces this
standard function in FreeCalypso.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 24 Sep 2021 02:03:08 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /*****************************************************************************/ |
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2 /* */ |
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3 /* Name pwr_process.c */ |
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4 /* */ |
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5 /* Function this file contains the pwr_process function, used to */ |
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6 /* handle messages received in the SPI task mailbox. */ |
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7 /* */ |
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8 /* Version 0.1 */ |
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9 /* */ |
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10 /* Date Modification */ |
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11 /* ------------------------------------ */ |
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12 /* */ |
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13 /* Author Candice Bazanegue */ |
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14 /* */ |
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15 /* (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved */ |
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16 /*****************************************************************************/ |
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17 |
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18 #include "rv/rv_defined_swe.h" // for RVM_PWR_SWE |
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19 |
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20 #ifdef RVM_PWR_SWE |
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21 |
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22 #include "abb/abb.h" |
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23 #include "rvm/rvm_use_id_list.h" |
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24 #include "rvf/rvf_api.h" |
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25 #include "pwr/pwr_messages_i.h" |
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26 #include "spi/spi_env.h" |
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27 |
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28 |
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29 /******************************************************************************* |
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30 ** Function pwr_process |
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31 ** |
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32 ** Description It is called by the spi task core. |
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33 ** Messages can be related to ABB interrupt handling, or |
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34 ** battery charge management. |
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35 ** |
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36 *******************************************************************************/ |
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37 void pwr_process(T_RV_HDR * msg_ptr) |
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38 { |
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39 void *ptr = NULL; |
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40 |
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41 if (msg_ptr != NULL) |
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42 { |
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43 switch (msg_ptr->msg_id) |
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44 { |
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45 case PWR_SPI_INFO_BATTERY_EVT: |
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46 { |
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47 /* Battery voltage and charger current */ |
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48 if (SPI_GBL_INFO_PTR->is_adc_on == FALSE) |
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49 { |
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50 /* start the channels conversion */ |
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51 ABB_Write_Register_on_page(PAGE0, VBATREG, 0x0000); |
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52 } |
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53 |
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54 /* Callback function */ |
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55 if(((T_RV_HDR *)msg_ptr)->callback_func != NULL) |
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56 { |
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57 ((T_RV_HDR *)msg_ptr)->callback_func(ptr); |
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58 } |
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59 |
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60 rvf_free_buf ((void *) msg_ptr); |
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61 |
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62 break; |
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63 } |
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64 |
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65 default: |
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66 { |
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67 /* Unknow message has been received */ |
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68 rvf_send_trace("PWR_task : Received an unknown message",38, NULL_PARAM , |
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69 RV_TRACE_LEVEL_DEBUG_HIGH, PWR_USE_ID); |
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70 |
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71 rvf_free_buf ((void *) msg_ptr); |
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72 |
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73 break; |
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74 } |
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75 } // end of switch |
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76 } // end of if |
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77 return; |
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78 } |
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79 |
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80 #endif /* #ifdef RVM_PWR_SWE */ |
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81 |
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82 |
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83 |