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@ -2,10 +2,12 @@ |
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// Created by MightyPork on 2017/11/25.
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//
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#include <stm32f072xb.h> |
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#include "comm/messages.h" |
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#include "unit_base.h" |
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#include "utils/avrlibc.h" |
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#include "platform/irq_dispatcher.h" |
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#include "comm/messages.h" |
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#include "unit_din.h" |
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#include "tasks/task_msg.h" |
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/** Private data structure */ |
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struct priv { |
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@ -13,7 +15,11 @@ struct priv { |
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uint16_t pins; // pin mask
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uint16_t pulldown; // pull-downs (default is pull-up)
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uint16_t pullup; // pull-ups
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uint16_t trig_rise; |
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uint16_t trig_fall; |
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uint16_t trig_holdoff; // ms
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uint16_t holdoff_countdowns[16]; |
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GPIO_TypeDef *port; |
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}; |
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@ -32,7 +38,11 @@ static void DI_loadBinary(Unit *unit, PayloadParser *pp) |
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priv->pulldown = pp_u16(pp); |
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priv->pullup = pp_u16(pp); |
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dbg("load bin, pulldown = %X", priv->pulldown); |
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if (version >= 1) { |
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priv->trig_rise = pp_u16(pp); |
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priv->trig_fall = pp_u16(pp); |
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priv->trig_holdoff = pp_u16(pp); |
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} |
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} |
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/** Write to a binary buffer for storing in Flash */ |
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@ -40,12 +50,15 @@ static void DI_writeBinary(Unit *unit, PayloadBuilder *pb) |
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{ |
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struct priv *priv = unit->data; |
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pb_u8(pb, 0); // version
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pb_u8(pb, 1); // version
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pb_char(pb, priv->port_name); |
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pb_u16(pb, priv->pins); |
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pb_u16(pb, priv->pulldown); |
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pb_u16(pb, priv->pullup); |
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pb_u16(pb, priv->trig_rise); |
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pb_u16(pb, priv->trig_fall); |
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pb_u16(pb, priv->trig_holdoff); |
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} |
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// ------------------------------------------------------------------------
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@ -68,6 +81,15 @@ static error_t DI_loadIni(Unit *unit, const char *key, const char *value) |
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else if (streq(key, "pull-down")) { |
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priv->pulldown = parse_pinmask(value, &suc); |
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} |
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else if (streq(key, "trig-rise")) { |
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priv->trig_rise = parse_pinmask(value, &suc); |
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} |
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else if (streq(key, "trig-fall")) { |
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priv->trig_fall = parse_pinmask(value, &suc); |
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} |
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else if (streq(key, "trig-hold-off")) { |
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priv->trig_holdoff = (uint16_t) avr_atoi(value); |
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} |
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else { |
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return E_BAD_KEY; |
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} |
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@ -93,6 +115,15 @@ static void DI_writeIni(Unit *unit, IniWriter *iw) |
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iw_comment(iw, "Pins with pull-down"); |
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iw_entry(iw, "pull-down", "%s", pinmask2str(priv->pulldown, unit_tmp512)); |
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iw_comment(iw, "Trigger pins activated by rising edge"); |
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iw_entry(iw, "trig-rise", "%s", pinmask2str(priv->trig_rise, unit_tmp512)); |
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iw_comment(iw, "Trigger pins activated by falling edge"); |
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iw_entry(iw, "trig-fall", "%s", pinmask2str(priv->trig_fall, unit_tmp512)); |
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iw_comment(iw, "Trigger hold-off time (ms)"); |
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iw_entry(iw, "trig-hold-off", "%d", (int)priv->trig_holdoff); |
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#if PLAT_NO_FLOATING_INPUTS |
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iw_comment(iw, "NOTE: Pins use pull-up by default.\r\n"); |
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#endif |
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@ -112,9 +143,60 @@ static error_t DI_preInit(Unit *unit) |
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priv->pulldown = 0x0000; |
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priv->pullup = 0x0000; |
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priv->trig_rise = 0x0000; |
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priv->trig_fall = 0x0000; |
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priv->trig_holdoff = 20; |
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return E_SUCCESS; |
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} |
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static void ID_SendTriggerReportToMaster(Job *job) |
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{ |
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Unit *unit = job->data1; |
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PayloadBuilder pb = pb_start(unit_tmp512, UNIT_TMP_LEN, NULL); |
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pb_u8(&pb, unit->callsign); |
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pb_u8(&pb, 0x00); // report type "Trigger"
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pb_u16(&pb, (uint16_t) job->d32_2); // packed, 1 on the triggering pin
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pb_u16(&pb, (uint16_t) job->d32_3); //
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assert_param(pb.ok); |
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com_send_pb(MSG_UNIT_REPORT, &pb); |
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} |
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static void DI_handleExti(void *arg) |
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{ |
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Unit *unit = arg; |
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struct priv *priv = unit->data; |
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uint16_t snapshot = (uint16_t) priv->port->IDR; |
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uint16_t trigger_map = 0; |
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uint16_t mask = 1; |
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for (int i = 0; i < 16; i++, mask <<= 1) { |
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if ((priv->trig_rise|priv->trig_fall) & mask) { |
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if (LL_EXTI_ReadFlag_0_31(LL_EXTI_LINES[i])) { |
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if (priv->holdoff_countdowns[i] == 0) { |
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trigger_map |= 1<<i; |
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priv->holdoff_countdowns[i] = priv->trig_holdoff; |
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} |
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LL_EXTI_ClearFlag_0_31(LL_EXTI_LINES[i]); |
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} |
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} |
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} |
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// FIXME the job is not correctly handled, somehow. queue fills but is not collected
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if (trigger_map != 0) { |
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Job j = { |
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.data1 = unit, |
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.d32_2 = pinmask_pack(trigger_map, priv->pins), |
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.d32_3 = snapshot, |
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.cb = ID_SendTriggerReportToMaster |
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}; |
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scheduleJob(&j); |
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} |
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} |
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/** Finalize unit set-up */ |
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static error_t DI_init(Unit *unit) |
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{ |
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@ -150,9 +232,29 @@ static error_t DI_init(Unit *unit) |
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if (priv->pulldown & mask) pull = LL_GPIO_PULL_DOWN; |
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if (priv->pullup & mask) pull = LL_GPIO_PULL_UP; |
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LL_GPIO_SetPinPull(priv->port, ll_pin, pull); |
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if ((priv->trig_rise|priv->trig_fall) & mask) { |
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LL_EXTI_EnableIT_0_31(LL_EXTI_LINES[i]); |
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if (priv->trig_rise & mask) { |
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LL_EXTI_EnableRisingTrig_0_31(LL_EXTI_LINES[i]); |
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} |
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if (priv->trig_fall & mask) { |
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LL_EXTI_EnableFallingTrig_0_31(LL_EXTI_LINES[i]); |
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} |
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LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTS[priv->port_name-'A'], LL_SYSCFG_EXTI_LINES[i]); |
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irqd_attach(EXTIS[i], DI_handleExti, unit); |
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} |
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} |
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} |
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// request ticks if we have triggers
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if (priv->trig_rise|priv->trig_fall) { |
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unit->tick_interval = 1; |
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} |
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return E_SUCCESS; |
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} |
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@ -160,8 +262,23 @@ static error_t DI_init(Unit *unit) |
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/** Tear down the unit */ |
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static void DI_deInit(Unit *unit) |
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{ |
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struct priv *priv = unit->data; |
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// pins are de-inited during teardown
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if (unit->status == E_SUCCESS) { |
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// Detach EXTI handlers and disable interrupts
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if (priv->trig_rise | priv->trig_fall) { |
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uint16_t mask = 1; |
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for (int i = 0; i < 16; i++, mask <<= 1) { |
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if ((priv->trig_rise | priv->trig_fall) & mask) { |
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LL_EXTI_DisableIT_0_31(LL_EXTI_LINES[i]); |
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irqd_detach(EXTIS[i], DI_handleExti); |
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} |
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} |
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} |
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} |
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// Release all resources
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rsc_teardown(unit); |
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@ -203,6 +320,22 @@ static error_t DI_handleRequest(Unit *unit, TF_ID frame_id, uint8_t command, Pay |
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} |
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} |
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/**
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* Decrement all the hold-off timers on tick |
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* |
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* @param unit |
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*/ |
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static void DI_updateTick(Unit *unit) |
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{ |
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struct priv *priv = unit->data; |
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for (int i = 0; i < 16; i++) { |
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if (priv->holdoff_countdowns[i] > 0) { |
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priv->holdoff_countdowns[i]--; |
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} |
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} |
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} |
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// ------------------------------------------------------------------------
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/** Unit template */ |
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@ -220,4 +353,5 @@ const UnitDriver UNIT_DIN = { |
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.deInit = DI_deInit, |
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// Function
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.handleRequest = DI_handleRequest, |
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.updateTick = DI_updateTick, |
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}; |
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