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annotate src/cs/services/fcbm/fcbm_display_ctrl.c @ 268:f2e52cab0a73

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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents 35474f3a1782
children
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1 /*
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2 * In this module we are going to implement our functions
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3 * for controlling display on/off state during charging boot mode.
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4 */
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5
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6 #include "rv/rv_general.h"
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7 #include "rvf/rvf_api.h"
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8 #include "rvm/rvm_use_id_list.h"
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9 #include "fcbm/fcbm_func_i.h"
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10 #include "fcbm/fcbm_timer_i.h"
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11 #include "fcbm/fcbm_life_cycle.h"
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12 #include "kpd/kpd_api.h"
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13 #include "r2d/r2d_blrr_api.h"
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14
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15 void fcbm_display_off_timer(void)
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16 {
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17 if (fcbm_life_cycle_state != FCBM_STATE_ACTIVE) {
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18 rvf_send_trace("FCBM display off timer in wrong state", 37,
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19 fcbm_life_cycle_state, RV_TRACE_LEVEL_WARNING,
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20 FCBM_USE_ID);
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21 return;
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22 }
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23 blrr_display_ctrl(BLRR_DISPLAY_OFF);
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24 }
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25
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26 void fcbm_process_kpd_msg(T_KPD_KEY_EVENT_MSG *msg)
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27 {
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28 if (fcbm_life_cycle_state != FCBM_STATE_ACTIVE) {
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29 rvf_send_trace("FCBM keypad message in wrong state", 34,
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30 fcbm_life_cycle_state, RV_TRACE_LEVEL_WARNING,
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31 FCBM_USE_ID);
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32 return;
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33 }
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34 switch (msg->key_info.state) {
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35 case KPD_KEY_PRESSED:
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36 rvf_stop_timer(FCBM_TIMER_DSPL_OFF);
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37 blrr_display_ctrl(BLRR_DISPLAY_CHG_BOOT);
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38 return;
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39 case KPD_KEY_RELEASED:
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40 rvf_start_timer(FCBM_TIMER_DSPL_OFF,
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41 RVF_SECS_TO_TICKS(FCBM_DISPLAY_SECS), FALSE);
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42 return;
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43 }
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44 }