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annotate src/cs/drivers/drv_app/kpd/kpd_power_api.c @ 27:cb3f6fe694e1 default tip

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README: document SE K2x0 addition
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 21 Dec 2023 21:44:43 +0000
parents 92470e5d0b9e
children
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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 /*@}*/