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InfiniTime/src/DisplayApp/DisplayApp.cpp

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#include "DisplayApp.h"
#include <FreeRTOS.h>
#include <task.h>
#include <libraries/log/nrf_log.h>
#include <boards.h>
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#include <nrf_font.h>
#include <hal/nrf_rtc.h>
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#include "Components/Gfx/Gfx.h"
#include <queue.h>
using namespace Pinetime::Applications;
DisplayApp::DisplayApp(Pinetime::Controllers::Battery &batteryController, Pinetime::Controllers::Ble &bleController) :
batteryController{batteryController},
bleController{bleController} {
msgQueue = xQueueCreate(queueSize, itemSize);
}
void DisplayApp::Start() {
if (pdPASS != xTaskCreate(DisplayApp::Process, "DisplayApp", 256, this, 0, &taskHandle))
APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
}
void DisplayApp::Process(void *instance) {
auto* app = static_cast<DisplayApp*>(instance);
NRF_LOG_INFO("DisplayApp task started!");
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app->InitHw();
while (1) {
app->Refresh();
}
}
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void DisplayApp::InitHw() {
nrf_gpio_cfg_output(14);
nrf_gpio_cfg_output(22);
nrf_gpio_cfg_output(23);
nrf_gpio_pin_clear(14);
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nrf_gpio_pin_clear(22);
nrf_gpio_pin_clear(23);
Drivers::SpiMaster::Parameters params;
params.bitOrder = Drivers::SpiMaster::BitOrder::Msb_Lsb;
params.mode = Drivers::SpiMaster::Modes::Mode3;
params.Frequency = Drivers::SpiMaster::Frequencies::Freq8Mhz;
params.pinCSN = 25;
params.pinMISO = 4;
params.pinMOSI = 3;
params.pinSCK = 2;
spi.Init(Drivers::SpiMaster::SpiModule::SPI0, params);
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lcd.reset(new Drivers::St7789(spi, 18));
gfx.reset(new Components::Gfx(*lcd.get()));
gfx->ClearScreen();
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uint8_t x = 7;
gfx->DrawChar(&largeFont , '0', &x, 78, 0xffff);
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x = 61;
gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
x = 94;
gfx->DrawChar(&largeFont, ':', &x, 78, 0xffff);
x = 127;
gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
x = 181;
gfx->DrawChar(&largeFont, '0', &x, 78, 0xffff);
gfx->DrawString(10, 0, 0x0000, "BLE", &smallFont, false);
gfx->DrawString(20, 180, 0xffff, "FRIDAY 27 DEC 2019", &smallFont, false);
}
void DisplayApp::Refresh() {
TickType_t queueTimeout;
switch(state) {
case States::Idle:
IdleState();
queueTimeout = portMAX_DELAY;
break;
case States::Running:
RunningState();
queueTimeout = 1000;
break;
}
Messages msg;
if(xQueueReceive( msgQueue, &msg, queueTimeout)) {
switch(msg) {
case Messages::GoToSleep:
nrf_gpio_pin_set(23);
vTaskDelay(100);
nrf_gpio_pin_set(22);
vTaskDelay(100);
nrf_gpio_pin_set(14);
state = States::Idle;
break;
case Messages::GoToRunning:
nrf_gpio_pin_clear(23);
nrf_gpio_pin_clear(22);
nrf_gpio_pin_clear(14);
state = States::Running;
break;
}
}
}
void DisplayApp::Minutes(uint8_t m) {
// TODO yeah, I know, race condition...
minutes = m;
}
void DisplayApp::Hours(uint8_t h) {
// TODO yeah, I know, race condition too...
hours = h;
}
void DisplayApp::SetTime(uint8_t minutes, uint8_t hours) {
deltaSeconds = nrf_rtc_counter_get(portNRF_RTC_REG) / 1000;
this->minutes = minutes;
this->hours = hours;
}
void DisplayApp::RunningState() {
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uint32_t systick_counter = nrf_rtc_counter_get(portNRF_RTC_REG);
char batteryChar[11];
uint16_t newBatteryValue = batteryController.PercentRemaining();
newBatteryValue = (newBatteryValue>100) ? 100 : newBatteryValue;
newBatteryValue = (newBatteryValue<0) ? 0 : newBatteryValue;
if(newBatteryValue != battery) {
battery = newBatteryValue;
sprintf(batteryChar, "BAT: %d%%", battery);
gfx->DrawString((240-108), 0, 0xffff, batteryChar, &smallFont, false);
}
bool newIsBleConnected = bleController.IsConnected();
if(newIsBleConnected != bleConnected) {
bleConnected = newIsBleConnected;
uint16_t color = (bleConnected) ? 0xffff : 0x0000;
gfx->DrawString(10, 0, color, "BLE", &smallFont, false);
}
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auto raw = systick_counter / 1000;
auto currentDeltaSeconds = raw - deltaSeconds;
auto deltaMinutes = (currentDeltaSeconds / 60);
auto currentMinutes = minutes + deltaMinutes;
auto deltaHours = currentMinutes / 60;
currentMinutes -= (deltaHours * 60);
//
// TODO make this better!
// minutes = raw / 60;
// seconds = raw - (minutes*60);
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auto currentHours = hours + deltaHours;
char minutesChar[3];
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sprintf(minutesChar, "%02d", currentMinutes);
char hoursChar[3];
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sprintf(hoursChar, "%02d", currentHours);
uint8_t x = 7;
if(hoursChar[0] != currentChar[0]) {
gfx->DrawChar(&largeFont, hoursChar[0], &x, 78, 0xffff);
currentChar[0] = hoursChar[0];
}
x = 61;
if(hoursChar[1] != currentChar[1]) {
gfx->DrawChar(&largeFont, hoursChar[1], &x, 78, 0xffff);
currentChar[1] = hoursChar[1];
}
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x = 127;
if(minutesChar[0] != currentChar[2]) {
gfx->DrawChar(&largeFont, minutesChar[0], &x, 78, 0xffff);
currentChar[2] = minutesChar[0];
}
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x = 181;
if(minutesChar[1] != currentChar[3]) {
gfx->DrawChar(&largeFont, minutesChar[1], &x, 78, 0xffff);
currentChar[3] = minutesChar[1];
}
}
void DisplayApp::IdleState() {
}
void DisplayApp::PushMessage(DisplayApp::Messages msg) {
BaseType_t xHigherPriorityTaskWoken;
xHigherPriorityTaskWoken = pdFALSE;
xQueueSendFromISR( msgQueue, &msg, &xHigherPriorityTaskWoken );
/* Now the buffer is empty we can switch context if necessary. */
if(xHigherPriorityTaskWoken) {
/* Actual macro used here is port specific. */
// TODO : should I do something here?
}
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}