Initial bring up, screens, config

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KemoNine 2019-06-01 21:47:10 -04:00
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commit c5f2e7b142
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#include <FreeRTOS_SAMD21.h>
#include <semphr.h>
#include <Adafruit_NeoPixel.h>
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include <Fonts/FreeMonoBold9pt7b.h>
#include <Fonts/FreeMonoBold18pt7b.h>
#include <Fonts/FreeMono12pt7b.h>
//FreeMono18pt7b.h
//FreeMono24pt7b.h
//FreeMono9pt7b.h
//FreeMonoBold12pt7b.h
//FreeMonoBold18pt7b.h
//FreeMonoBold24pt7b.h
//FreeMonoBold9pt7b.h
// Various tunables
#define ERROR_LED_PIN 13
#define ERROR_LED_LIGHTUP_STATE HIGH
#define PIXEL_PIN 40 // pin of pixel
#define PIXEL_MAX_BRIGHTNESS 48 // 255 max
#define PIXEL_MIN_BRIGHTNESS 4 // 0 min
#define BREATHE_DELAY 5 // milliseconds
#define BUTTON_UP 6 // MUST be an interrupt pin
#define BUTTON_DOWN 5 // MUST be an interrupt pin
#define BUTTON_OK 7 // MUST be an interrupt pin
// TFT pins
#define TFT_DC 9
#define TFT_CS 10
#define TFT_MOSI 13
#define TFT_CLK 12
#define TFT_RST 8
#define TFT_MISO 11
// Init hardware used in tasks
Adafruit_NeoPixel pixel(1, PIXEL_PIN, NEO_GRB + NEO_KHZ800);
// Adafruit 2.2 TFT -- 320x240 resolution, up to 18-bit (262,144) color
// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
// If using the breakout, change pins as desired
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);
// Button Semaphores
SemaphoreHandle_t sem_btn_up;
SemaphoreHandle_t sem_btn_down;
SemaphoreHandle_t sem_btn_ok;
// define two tasks for Blink & AnalogRead
void TaskBlink( void *pvParameters );
void InterruptHandlerButtonUp();
void InterruptHandlerButtonDown();
void InterruptHandlerButtonOk();
void TaskLCD(void *pvParameters);
// UI screens
void screenClear();
void screenSoilStemma();
void screenSoilCatnip();
void screenWaterLevelETape();
// Color conversion (RGB888 -> RGB565 used by Adafruit GFX)
uint16_t RGB565(uint8_t r, uint8_t g, uint8_t b) {
return ((r & 0b11111000) << 8) | ((g & 0b11111100) << 3) | (b >> 3);
}
// the setup function runs once when you press reset or power the board
void setup() {
vNopDelayMS(1000); // prevents usb driver crash on startup, do not omit this
// Set the led the rtos will blink when we have a fatal rtos error
// RTOS also Needs to know if high/low is the state that turns on the led.
// Error Blink Codes:
// 3 blinks - Fatal Rtos Error, something bad happened. Think really hard about what you just changed.
// 2 blinks - Malloc Failed, Happens when you couldnt create a rtos object.
// Probably ran out of heap.
// 1 blink - Stack overflow, Task needs more bytes defined for its stack!
// Use the taskMonitor thread to help gauge how much more you need
vSetErrorLed(ERROR_LED_PIN, ERROR_LED_LIGHTUP_STATE);
// initialize serial communication at 9600 bits per second:
//Serial.begin(9600);
//while (!Serial) {
// ; // wait for serial port to connect. Needed for native USB, on LEONARDO, MICRO, YUN, and other 32u4 based boards.
//}
pixel.begin();
pixel.clear();
pixel.setBrightness(PIXEL_MAX_BRIGHTNESS);
pixel.setPixelColor(0, pixel.Color(0, 0, 255));
pixel.show();
tft.begin();
tft.setRotation(3);
screenClear();
tft.setFont(&FreeMonoBold18pt7b);
tft.setCursor(tft.width() / 2 - 138, tft.height() / 2 + 10);
tft.println("Press Up/Down");
pinMode(BUTTON_UP, INPUT_PULLUP);
pinMode(BUTTON_DOWN, INPUT_PULLUP);
pinMode(BUTTON_OK, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(BUTTON_UP), InterruptHandlerButtonUp, RISING);
attachInterrupt(digitalPinToInterrupt(BUTTON_DOWN), InterruptHandlerButtonDown, RISING);
attachInterrupt(digitalPinToInterrupt(BUTTON_OK), InterruptHandlerButtonOk, RISING);
sem_btn_up = xSemaphoreCreateBinary();
sem_btn_down = xSemaphoreCreateBinary();
sem_btn_ok = xSemaphoreCreateBinary();
// Now set up two tasks to run independently.
xTaskCreate(
TaskBlink
, (const portCHAR *)"Blink" // A name just for humans
, 128 // This stack size can be checked & adjusted by reading the Stack Highwater
, NULL
, 0 // Priority, with 3 (configMAX_PRIORITIES - 1) being the highest, and 0 being the lowest.
, NULL );
xTaskCreate(
TaskLCD
, (const portCHAR *)"LCD" // A name just for humans
, 128 // This stack size can be checked & adjusted by reading the Stack Highwater
, NULL
, 2 // Priority, with 3 (configMAX_PRIORITIES - 1) being the highest, and 0 being the lowest.
, NULL );
// Now the task scheduler, which takes over control of scheduling individual tasks, is automatically started.
vTaskStartScheduler();
}
void loop() {
// Empty. Things are done in Tasks.
}
/*--------------------------------------------------*/
/*---------------------- Tasks ---------------------*/
/*--------------------------------------------------*/
void TaskBlink(void *pvParameters) {
(void) pvParameters;
while (1) {
pixel.setPixelColor(0, pixel.Color(0, 255, 0)); // Pulse heartbeat green -- reset in case another task interrupts w/ a different color
for (int i = PIXEL_MIN_BRIGHTNESS ; i < PIXEL_MAX_BRIGHTNESS ; i++) {
pixel.setBrightness(i);
pixel.show();
vTaskDelay( 50 / portTICK_PERIOD_MS );
}
for (int i = PIXEL_MAX_BRIGHTNESS ; i > PIXEL_MIN_BRIGHTNESS ; i--) {
pixel.setBrightness(i);
pixel.show();
vTaskDelay( 50 / portTICK_PERIOD_MS );
}
}
}
void TaskLCD(void *pvParameters) {
(void) pvParameters;
void (*screens[3])() = {screenSoilStemma, screenSoilCatnip, screenWaterLevelETape};
int current = 0;
while (1) {
if (xSemaphoreTake(sem_btn_up, 50 / portTICK_PERIOD_MS) == pdPASS) {
screenClear();
tft.fillRect(tft.width() - 50, 0, 50, 20, RGB565(0, 0, 0));
tft.setFont(&FreeMonoBold9pt7b);
tft.setCursor(tft.width() - 50, 15);
tft.print("Up");
current++;
if (current >= sizeof(screens) / sizeof(screens[0])) {
current = 0;
}
screens[current]();
}
if (xSemaphoreTake(sem_btn_down, 50 / portTICK_PERIOD_MS) == pdPASS) {
screenClear();
tft.fillRect(tft.width() - 50, 0, 50, 20, RGB565(0, 0, 0));
tft.setFont(&FreeMonoBold9pt7b);
tft.setCursor(tft.width() - 50, 15);
tft.print("Down");
current--;
if (current < 0) {
current = sizeof(screens) / sizeof(screens[0]) - 1;
}
screens[current]();
}
if (xSemaphoreTake(sem_btn_ok, 50 / portTICK_PERIOD_MS) == pdPASS) {
tft.fillRect(tft.width() - 50, 0, 50, 20, RGB565(0, 0, 0));
tft.setFont(&FreeMonoBold9pt7b);
tft.setCursor(tft.width() - 50, 15);
tft.print("OK");
}
}
}
void InterruptHandlerButtonUp() {
xSemaphoreGiveFromISR(sem_btn_up, NULL);
}
void InterruptHandlerButtonDown() {
xSemaphoreGiveFromISR(sem_btn_down, NULL);
}
void InterruptHandlerButtonOk() {
xSemaphoreGiveFromISR(sem_btn_ok, NULL);
}
void screenClear() {
tft.setCursor(0, 0);
tft.fillScreen(RGB565(0, 0, 0));
}
void screenSoilStemma() {
tft.setFont(&FreeMonoBold18pt7b);
tft.setCursor(0, 25);
tft.println("Soil");
tft.setFont(&FreeMono12pt7b);
tft.println("Adafruit STEMMA");
tft.println("Soil Sensor");
tft.println("i2c address: 0x36");
tft.println("seesaw address: 0x36");
tft.println("");
tft.setFont(&FreeMonoBold9pt7b);
tft.println("--Press OK To Read Value--");
tft.println("");
tft.println("Value: [value]");
}
void screenSoilCatnip() {
tft.setFont(&FreeMonoBold18pt7b);
tft.setCursor(0, 25);
tft.println("Soil");
tft.setFont(&FreeMono12pt7b);
tft.println("Catnip Soil Sensor");
tft.println("i2c address: 0x20");
tft.println("");
tft.setFont(&FreeMonoBold9pt7b);
tft.println("--Press OK To Read Value--");
tft.println("");
tft.println("Capacitance: [value]");
tft.println("Temperature: [value]");
tft.println("Light: [value]");
}
void screenWaterLevelETape() {
tft.setFont(&FreeMonoBold18pt7b);
tft.setCursor(0, 25);
tft.println("Water Level");
tft.setFont(&FreeMono12pt7b);
tft.println("Milone eTape");
tft.println("Analog Pin #0");
tft.println("");
tft.setFont(&FreeMonoBold9pt7b);
tft.println("--Press OK To Read Value--");
tft.println("");
tft.println("Value: [value]");
}