FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/kpd/kpd_power_api.c @ 451:fd1d9063ad40
config mechanism: added ability to build D-Sample B&W UI configuration
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 13 Mar 2018 18:15:14 +0000 |
parents | 945cf7f506b2 |
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rev | line source |
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1 /** |
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2 * @file kpd_power_api.c |
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3 * |
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4 * Implementation of bridge function for PWR SWE interface. |
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5 * |
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6 * @author Laurent Sollier (l-sollier@ti.com) |
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7 * @version 0.1 |
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8 */ |
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9 |
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10 /* |
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11 * History: |
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12 * |
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13 * Date Author Modification |
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14 * ---------------------------------------- |
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15 * 11/02/2001 L Sollier Create |
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16 * |
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17 * |
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18 * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved |
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19 */ |
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20 |
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21 #include "kpd/kpd_power_api.h" |
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22 #include "kpd/kpd_messages_i.h" |
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23 #include "kpd/kpd_physical_key_def.h" |
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24 #include "kpd/kpd_env.h" |
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25 |
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26 #include "rvm/rvm_use_id_list.h" |
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27 |
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28 /* External declaration */ |
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29 extern T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk; |
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30 |
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31 /* This variable ius defined here but is used by the PWR SWE */ |
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32 T_KPD_KEYPAD Kp = {0}; |
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33 |
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34 |
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35 /** |
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36 * @name Functions implementation |
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37 * |
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38 */ |
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39 /*@{*/ |
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40 |
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41 |
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42 /** |
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43 * function: kpd_power_key_pressed |
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44 */ |
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45 T_RV_RET kpd_power_key_pressed(void) |
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46 { |
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47 T_RV_RET ret = RV_OK; |
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48 |
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49 T_RVF_MB_STATUS mb_status; |
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50 T_KPD_KEY_PRESSED_MSG* msg_key_pressed; |
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51 |
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52 /* Check if initialization has been correctly done */ |
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53 if ( (kpd_env_ctrl_blk == 0) || (kpd_env_ctrl_blk->swe_is_initialized == FALSE) ) |
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54 { |
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55 KPD_SEND_TRACE("KPD: Initialization is not yet done or failed", RV_TRACE_LEVEL_ERROR); |
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56 return RV_INTERNAL_ERR; |
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57 } |
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58 |
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59 /* Reserve memory for message */ |
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60 mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id, sizeof(T_KPD_KEY_PRESSED_MSG), (void **) &msg_key_pressed); |
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61 |
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62 if (mb_status == RVF_GREEN) /* Memory allocation success */ |
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63 { |
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64 /* Fill the message */ |
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65 msg_key_pressed->hdr.msg_id = KPD_KEY_PRESSED_MSG; |
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66 msg_key_pressed->value = KPD_SHORT_PRESS_PWR_KEY; |
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67 msg_key_pressed->key_to_process = TRUE; |
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68 |
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69 /* Send message to the keypad task */ |
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70 rvf_send_msg(kpd_env_ctrl_blk->addr_id, msg_key_pressed); |
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71 } |
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72 else |
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73 { |
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74 KPD_SEND_TRACE("KPD: Memory allocation error", RV_TRACE_LEVEL_ERROR); |
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75 if (mb_status == RVF_YELLOW) |
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76 rvf_free_buf(msg_key_pressed); |
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77 ret = RV_MEMORY_ERR; |
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78 } |
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79 |
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80 |
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81 return ret; |
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82 } |
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83 |
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84 |
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85 /*@}*/ |