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annotate src/cs/services/vibr/vibr_process.c @ 303:f76436d19a7a default tip

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!GPRS config: fix long-standing AT+COPS chance hanging bug There has been a long-standing bug in FreeCalypso going back years: sometimes in the AT command bring-up sequence of an ACI-only MS, the AT+COPS command would produce only a power scan followed by cessation of protocol stack activity (only L1 ADC traces), instead of the expected network search sequence. This behaviour was seen in different FC firmware versions going back to Citrine, and seemed to follow some law of chance, not reliably repeatable. This bug has been tracked down and found to be specific to !GPRS configuration, stemming from our TCS2/TCS3 hybrid and reconstruction of !GPRS support that was bitrotten in TCS3.2/LoCosto version. ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3 version and had to be pulled from TCS2 - but as it turns out, there is a new field in the MMR_REG_REQ primitive that needs to be set correctly, and that psa_mms.c module is the place where this initialization needed to be added.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 08 Jun 2023 08:23:37 +0000
parents e17bdedfbf2b
children
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1 /*
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2 * In this module we are going to implement the main process functions
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3 * for VIBR.
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4 */
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5
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6 #include "vibr/vibr_env.h"
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7 #include "vibr/vibr_func_i.h"
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8 #include "rv/rv_general.h"
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9 #include "rvf/rvf_api.h"
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10 #include "rvm/rvm_use_id_list.h"
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11 #include "main/sys_types.h"
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12 #include "buzzer/vibrator.h"
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13
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14 /* duration of "on" and "off" phases of each vibration cycle */
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15 #define ON_PHASE_MS 500
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16 #define OFF_PHASE_MS 500
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17
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18 void vibr_process_start_req(struct vibr_start_msg *msg)
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19 {
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20 vibr_env->vibr_level = msg->vibr_level;
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21 /* start the first pulse */
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22 HW_vibrator_on(vibr_env->vibr_level);
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23 vibr_env->on_state = TRUE;
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24 rvf_start_timer(VIBR_TIMER, RVF_MS_TO_TICKS(ON_PHASE_MS), FALSE);
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25 if (msg->num_pulses) {
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26 vibr_env->cont_mode = FALSE;
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27 vibr_env->remain_cycles = msg->num_pulses;
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28 } else
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29 vibr_env->cont_mode = TRUE;
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30 }
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31
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32 void vibr_process_stop_req(struct vibr_stop_msg *msg)
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33 {
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34 HW_vibrator_off();
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35 rvf_stop_timer(VIBR_TIMER);
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36 }
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37
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38 static void on_phase_end(void)
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39 {
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40 HW_vibrator_off();
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41 /* got more pulses? */
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42 if (!vibr_env->cont_mode) {
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43 vibr_env->remain_cycles--;
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44 if (!vibr_env->remain_cycles)
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45 return; /* pulse train finished */
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46 }
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47 /* time the "off" phase before next pulse */
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48 vibr_env->on_state = FALSE;
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49 rvf_start_timer(VIBR_TIMER, RVF_MS_TO_TICKS(OFF_PHASE_MS), FALSE);
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50 }
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51
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52 static void off_phase_end(void)
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53 {
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54 /* start the next pulse */
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55 HW_vibrator_on(vibr_env->vibr_level);
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56 vibr_env->on_state = TRUE;
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57 rvf_start_timer(VIBR_TIMER, RVF_MS_TO_TICKS(ON_PHASE_MS), FALSE);
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58 }
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59
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60 void vibr_handle_timer(void)
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61 {
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62 if (vibr_env->on_state)
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63 on_phase_end();
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64 else
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65 off_phase_end();
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66 }