out screens

CMakeLists.txt

@@ -17,6 +17,8 @@ include_directories(include)
 add_executable(clock 
 	src/main.cpp 
 	src/Gate.cpp
+	src/DisplayHandler.cpp
+	src/EncoderHandler.cpp
 )
 
 # Enable USB output (useful for later printf debugging)

include/DisplayHandler.h

@@ -0,0 +1,37 @@
+// DisplayHandler.h
+#ifndef DisplayHandler_h
+#define DisplayHandler_h
+
+#include <cstdint>
+#include <string>
+#include <array>
+#include "Gate.h"
+
+
+class DisplayHandler {
+  private:
+		char buffer[32];
+		uint8_t currentScreen;
+		std::string screens[7];
+		std::array<std::string, 4> out_pages = {"Exit", "Mod", "Width", "Prob"};
+		bool onOutScreen = 0;
+    void renderMainPage();
+    void renderOutPage();
+
+
+  public:
+    DisplayHandler(Gate* outputs[]);
+		Gate** outputs;
+		bool updateScreen;
+		int8_t cursorPosition;
+		uint8_t mainMaxCursorPosition;
+		uint8_t outMaxCursorPosition;
+		int8_t currentOut;
+		bool cursorClick;
+    void setup();
+    void render();
+    void handleClick();
+		void moveCursor(bool dir = 1);
+};
+
+#endif

include/EncoderHandler.h

@@ -0,0 +1,28 @@
+// EncoderHandler.h
+#ifndef EncoderHandler_h
+#define EncoderHandler_h
+
+#include <cstdint>
+#include <string>
+#include "pico/multicore.h"
+#include "DisplayHandler.h"
+
+
+class EncoderHandler {
+  private:
+
+
+  public:
+    EncoderHandler(DisplayHandler* display_handler);
+
+		DisplayHandler* display_handler;
+		uint8_t encoder_pos;
+		bool button_pressed;
+		uint16_t clk_last_state;
+
+		void setup();
+    static void gpio_callback(uint gpio, uint32_t events);
+		void moveCursor(bool dir = 1);
+};
+
+#endif

include/Gate.h

@@ -12,21 +12,22 @@ class Gate {
 		int16_t cycle;
 		uint32_t dur;
     uint32_t len;
-		uint8_t width;
-		uint8_t divideMode;
 		uint16_t div;
-		uint16_t modifier;
-		std::string divString;
-		uint8_t p;
 
   public:
     Gate(uint8_t pin);
 		uint8_t pin;
+		uint8_t editing;
+		int8_t modifierSelectionIndex;
+		uint8_t divideMode;
+		uint16_t modifier;
+		uint8_t width;
+		uint8_t p;
 
     void turnOn();
     void turnOff();
     void setLen(uint32_t currentPeriod);
-    void setDiv(uint16_t newDiv, uint8_t divide = 1);
+    void setDiv(uint8_t modifier_selection_index);
     void setWidth(uint16_t newWidth);
     void setP(uint16_t prob);
 

include/globals.h

@@ -3,6 +3,8 @@
 
 #include "pico/stdlib.h"
 #include <cstdint>
+#include <array>
+#include <string>
 
 static constexpr uint8_t OUT_1_PIN = 0;
 static constexpr uint8_t OUT_2_PIN = 2;
@@ -25,6 +27,15 @@ extern volatile uint8_t BPM;
 static constexpr uint32_t MINUTE_US = 60000000;
 static constexpr uint8_t PPQN = 96;
 
+static uint32_t MASTER_TICK = 0;
+
+// Modifiers in UI order
+static std::array<uint8_t, 10> MODIFIERS = {8, 4, 2, 0, 1, 2, 3, 4, 8, 16};
+// Modifier type; 0 = multiplicaton, 1 = division; matched with MODIFIERS
+static std::array<uint8_t, 10> MOD_TYPES = {0, 0, 0, 0, 1, 1, 1, 1, 1, 1};
+// Modifier string
+static std::array<std::string, 10> MODIFIER_STRINGS = {"x8", "x4", "x2", "x0", "/1", "/2", "/3", "/4", "/8", "/16"};
+
 inline uint32_t millis() {
     return to_ms_since_boot(get_absolute_time());
 }

src/DisplayHandler.cpp

@@ -0,0 +1,229 @@
+// DisplayHandler.cpp
+#include "pico/stdlib.h"
+#include "DisplayHandler.h"
+#include "globals.h"
+#include <string>
+#include <cstdlib>
+
+#include "hardware/i2c.h"
+#include "pico-ssd1306/ssd1306.h"
+#include "pico-ssd1306/shapeRenderer/ShapeRenderer.h"
+#include "pico-ssd1306/textRenderer/TextRenderer.h"
+
+//TODO:
+// the pulses are not even... they occur independently of eachother.
+
+pico_ssd1306::SSD1306* display = nullptr;
+extern void update_BPM(bool up);
+
+
+DisplayHandler::DisplayHandler(Gate* outputs[]) {
+	this->outputs = outputs;
+	currentScreen = 0;
+	currentOut = -1;
+	updateScreen = 1;
+	cursorPosition = 0;
+	mainMaxCursorPosition = 8;
+	outMaxCursorPosition = std::size(out_pages) - 1;
+	cursorClick = 0;
+}
+
+
+void DisplayHandler::setup() {
+	i2c_init(i2c1, 400 * 1000);
+
+	gpio_set_function(SCREEN_SDA_PIN, GPIO_FUNC_I2C);
+	gpio_set_function(SCREEN_SCL_PIN, GPIO_FUNC_I2C);
+
+	gpio_pull_up(SCREEN_SDA_PIN);
+	gpio_pull_up(SCREEN_SCL_PIN);
+
+	display = new pico_ssd1306::SSD1306(i2c1, 0x3C, pico_ssd1306::Size::W128xH64);
+	display->setOrientation(0);
+}
+
+
+void DisplayHandler::moveCursor(bool dir) {
+	if (onOutScreen) {
+		if (cursorClick == 0) {
+			if (dir == 1) {
+				cursorPosition++;
+				currentScreen++;
+			} else {
+				cursorPosition--;
+				currentScreen--;
+			}
+
+			if (cursorPosition > outMaxCursorPosition) {
+				cursorPosition = 0;
+				currentScreen = 0;
+			}
+
+			if (cursorPosition < 0) {
+				cursorPosition = outMaxCursorPosition;
+				currentScreen = outMaxCursorPosition;
+			}
+		} else { // click = 1
+			if (currentScreen == 1) { // mod screen
+				outputs[currentOut]->editing = 1;
+				if (dir == 1) {
+					outputs[currentOut]->modifierSelectionIndex++;
+				} else {
+					outputs[currentOut]->modifierSelectionIndex--;
+				}
+
+				if (outputs[currentOut]->modifierSelectionIndex < 0) {
+					outputs[currentOut]->modifierSelectionIndex = 0;
+				}
+				
+				if (outputs[currentOut]->modifierSelectionIndex > std::size(MOD_TYPES) - 1) {
+					outputs[currentOut]->modifierSelectionIndex = std::size(MOD_TYPES) - 1;
+				}
+				
+			}
+
+		}
+
+	} else {
+		if (cursorPosition == 0 && cursorClick == 1) { // Engage BPM on Main Screen
+			update_BPM(dir);
+		} else {
+			if (dir == 1) {
+				cursorPosition++;
+			} else {
+				cursorPosition--;
+			}
+
+			if (cursorPosition > mainMaxCursorPosition) {
+				cursorPosition = 0;
+			}
+
+			if (cursorPosition < 0) {
+				cursorPosition = mainMaxCursorPosition;
+			}
+		}
+	}
+
+	updateScreen = 1;
+}
+
+
+void DisplayHandler::handleClick() {
+		cursorClick ^= true;
+
+		if (onOutScreen) {
+			if (currentScreen == 0) { // exit screen
+				cursorPosition = currentOut;
+				currentOut = -1;
+				currentScreen = 0;
+				onOutScreen = 0;
+			}
+
+			if (currentScreen == 1 && outputs[currentOut]->editing == 1) {
+				outputs[currentOut]->setDiv(outputs[currentOut]->modifierSelectionIndex);
+				cursorClick = 0;
+				outputs[currentOut]->editing = 0;
+			}
+		} else {
+
+			if (currentScreen == 0) { // on main screen
+				if (cursorPosition == 0) { // Change BPM
+
+				} else if (cursorPosition > 0 && cursorPosition < 9) { // go to out screen
+					currentOut = cursorPosition - 1;
+					cursorPosition = 1;
+					currentScreen = 1;
+					onOutScreen = 1;
+					cursorClick = 0;
+				}
+
+			}
+		}
+
+		updateScreen = 1;
+}
+
+
+void DisplayHandler::render() {
+	if (updateScreen) {
+		display->clear();
+
+		if (currentScreen == 0 && currentOut == -1) { // main screen
+			renderMainPage();
+		} else if (currentOut != -1) {
+			renderOutPage();
+		}
+
+		display->sendBuffer();
+
+		updateScreen = 0;
+	}
+}
+
+
+void DisplayHandler::renderMainPage() {
+	std::string bpm_string = "BPM: " + std::to_string(BPM);
+
+	if (cursorPosition == 0) {
+		if (cursorClick == 1) {
+			pico_ssd1306::fillRect(display, 0, 0, 100, 18);
+			pico_ssd1306::drawText(display, font_12x16, bpm_string.c_str(), 1, 2, pico_ssd1306::WriteMode::SUBTRACT);
+
+		} else {
+			pico_ssd1306::drawRect(display, 0, 0, 100, 18, pico_ssd1306::WriteMode::ADD);
+			pico_ssd1306::drawText(display, font_12x16, bpm_string.c_str(), 1, 2);
+
+		}
+	} else {
+		pico_ssd1306::drawText(display, font_12x16, bpm_string.c_str(), 1, 2);
+
+	}
+
+	uint8_t cursor_x = 2;
+	uint8_t cursor_y = 25;
+
+	for (uint8_t i = 1; i < 9; i++) {
+		if (i == 5) {
+			cursor_x = 2;
+			cursor_y += 20;
+		}
+
+		if (cursorPosition == i) {
+			pico_ssd1306::drawRect(display, cursor_x - 2, cursor_y - 4, cursor_x + 14, cursor_y + 16, pico_ssd1306::WriteMode::ADD);
+
+		}
+		pico_ssd1306::drawText(display, font_12x16, std::to_string(i).c_str(), cursor_x, cursor_y);
+		cursor_x += 30;
+
+	}
+}
+
+
+void DisplayHandler::renderOutPage() {
+	std::string title = std::to_string(currentOut) + "| " + out_pages[currentScreen];
+	pico_ssd1306::drawText(display, font_12x16, title.c_str(), 1, 2);
+
+	std::string param_string;
+
+	if (currentScreen == 0) { // exit screen
+		param_string = "<--";
+
+	} else if (currentScreen == 1) { // modifier screen
+		uint8_t modifier_selection_index = outputs[currentOut]->modifierSelectionIndex;
+		param_string = MODIFIER_STRINGS[modifier_selection_index];
+
+	} else if (currentScreen == 2) { // Width screen
+		param_string = std::to_string(outputs[currentOut]->width) + "%";
+
+	} else if (currentScreen == 3) { // Probability screen
+		param_string = std::to_string(outputs[currentOut]->p) + "%";
+	}
+
+	if (cursorClick) {
+		pico_ssd1306::fillRect(display, 1, 42, 50, 60);
+		pico_ssd1306::drawText(display, font_12x16, param_string.c_str(), 1, 45, pico_ssd1306::WriteMode::SUBTRACT);
+	} else {
+		pico_ssd1306::drawText(display, font_12x16, param_string.c_str(), 1, 45);
+	}
+
+}

src/EncoderHandler.cpp

@@ -0,0 +1,71 @@
+// EncoderHandler.cpp
+#include "pico/stdlib.h"
+#include "EncoderHandler.h"
+#include "DisplayHandler.h"
+#include "globals.h"
+#include <string>
+#include <cstdlib>
+
+
+static EncoderHandler* self = nullptr;
+
+
+EncoderHandler::EncoderHandler(DisplayHandler* display_handler) {
+		this->display_handler = display_handler;
+		self = this;
+		encoder_pos = 0;
+		button_pressed = 0;
+}
+
+
+void EncoderHandler::gpio_callback(uint gpio, uint32_t events) {
+	static uint64_t last_sw_time = 0;
+	static uint64_t last_rotate_time = 0;
+	uint64_t now = to_us_since_boot(get_absolute_time());
+
+	if (gpio == ENCODER_SW_PIN) { // handle button press
+		if (now - last_sw_time > 200000) {
+			self->display_handler->handleClick();
+			last_sw_time = now;
+		}
+	} else if (gpio == ENCODER_CLK_PIN) { // handle encoder turn
+
+		if (now - last_rotate_time < 5000) return;
+
+		if (events & GPIO_IRQ_EDGE_FALL) {
+			if (gpio_get(ENCODER_CLK_PIN) == 0) {
+
+				uint16_t dt_state = gpio_get(ENCODER_DT_PIN);
+
+				if (dt_state) {
+					self->display_handler->moveCursor();
+				} else {
+					self->display_handler->moveCursor(0);
+				}
+			}
+
+			last_rotate_time = now;
+		}
+	}
+}
+
+
+void EncoderHandler::setup() {
+	gpio_init(ENCODER_SW_PIN);
+	gpio_set_dir(ENCODER_SW_PIN, GPIO_IN);
+	gpio_pull_up(ENCODER_SW_PIN);
+
+	gpio_init(ENCODER_CLK_PIN);
+	gpio_set_dir(ENCODER_CLK_PIN, GPIO_IN);
+	gpio_pull_up(ENCODER_CLK_PIN);
+
+	gpio_init(ENCODER_DT_PIN);
+	gpio_set_dir(ENCODER_DT_PIN, GPIO_IN);
+	gpio_pull_up(ENCODER_DT_PIN);
+
+	clk_last_state = gpio_get(ENCODER_CLK_PIN);
+
+	gpio_set_irq_enabled_with_callback(20, GPIO_IRQ_EDGE_RISE | GPIO_IRQ_EDGE_FALL, true, &EncoderHandler::gpio_callback);
+	gpio_set_irq_enabled(21, GPIO_IRQ_EDGE_RISE | GPIO_IRQ_EDGE_FALL, true);
+	gpio_set_irq_enabled(22, GPIO_IRQ_EDGE_FALL, true);
+}

src/Gate.cpp

@@ -9,11 +9,12 @@ Gate::Gate(uint8_t pin) {
   this->pin = pin;
   state = 0;
 
-	divideMode = 1; // 1 divison | 0 multiplication
-	modifier = 1; // divide mode modifier (4x, /32, etc)
-	div = 1; // cycles needed before a pulse based on divide mode and modifier
+	modifierSelectionIndex = 3;
+	editing = 0;
+	divideMode = 0; // 1 divison | 0 multiplication
+	modifier = 0; // divide mode modifier (4x, /32, etc)
+	div = 0; // cycles needed before a pulse based on divide mode and modifier
 	cycle = 0; // how many cycles have passed since last pulse
-	divString = ""; // string for screen .. probably does not belong here
 
 	dur = 0; // how long pulse is on
 	width = 50; // pulse width
@@ -30,16 +31,24 @@ void Gate::setLen(uint32_t currentPeriod) {
 	len = (uint32_t)((double)currentPeriod * (width / 100.0) / 1000.0);
 }
 
-void Gate::setDiv(uint16_t modifier, uint8_t divide) {
-	if (divide == 1) {
+void Gate::setDiv(uint8_t modifier_selecton_index) {
+	printf("HOW ABOUT HERE\n");
+
+	uint8_t modifier = MODIFIERS[modifier_selecton_index];
+	uint8_t mod_type = MOD_TYPES[modifier_selecton_index];
+	if (mod_type == 1) {
 		div = PPQN * modifier;
-		divString = "/" + std::to_string(modifier);
 	} else {
 		div = PPQN / modifier;
-		divString = "x" + std::to_string(modifier);
 	}
-	divideMode = divide;
+	divideMode = mod_type;
 	this->modifier = modifier;
+
+	if (this->modifier == 0) {
+		turnOff();
+	}
+
+	setWidth(this->width);
 };
 
 void Gate::setWidth(uint16_t newWidth) {

src/main.cpp

@@ -1,17 +1,15 @@
 #include <cstdint>
 #include <cstdio>
 #include <stdio.h>
-#include "hardware/i2c.h"
 #include "hardware/structs/rosc.h"
 #include "pico/multicore.h"
 #include "pico/stdlib.h"
 #include "pico/time.h"
 
-#include "pico-ssd1306/ssd1306.h"
-#include "pico-ssd1306/textRenderer/TextRenderer.h"
-
 #include "globals.h"
 #include "Gate.h"
+#include "DisplayHandler.h"
+#include "EncoderHandler.h"
 
 struct repeating_timer bpm_timer = {0};
 
@@ -30,17 +28,16 @@ Gate out6(OUT_6_PIN);
 Gate out7(OUT_7_PIN);
 Gate out8(OUT_8_PIN);
 
-volatile bool updateScreen = 1;
-pico_ssd1306::SSD1306* display = nullptr;
+static Gate* outputs[] = {&out1, &out2, &out3, &out4, &out5, &out6, &out7, &out8};
 
-volatile uint8_t encoder_pos = 0;
-volatile bool button_pressed = 0;
-volatile uint16_t clk_last_state;
+static DisplayHandler display_handler(outputs);
+static EncoderHandler encoder_handler(&display_handler);
 
 
 bool timer_callback(struct repeating_timer *t) {
 	if (PLAY == 1) {
 		beatToggle = true;
+		MASTER_TICK += 1;
 	}
 	return true;
 }
@@ -69,117 +66,67 @@ void update_BPM(bool up) {
 }
 
 
-void gpio_callback(uint gpio, uint32_t events) {
-	if (gpio == ENCODER_SW_PIN) { // handle button press
-
-	} else if (gpio == ENCODER_CLK_PIN || gpio == ENCODER_DT_PIN) { // handle encoder turn
-		uint16_t clk_state = gpio_get(ENCODER_CLK_PIN);
-		uint16_t dt_state = gpio_get(ENCODER_DT_PIN);
-
-		if (clk_state != clk_last_state && clk_state == 1)
-			if (dt_state != clk_state) {
-				encoder_pos++; // Clockwise
-				update_BPM(1);
-			} else {
-				encoder_pos--; // Counter-clockwise
-				update_BPM(0);
-			}
-
-		updateScreen = 1;
-
-		clk_last_state = clk_state;
-	}
-}
-
-
-void setup_encoder() {
-	gpio_init(ENCODER_SW_PIN);
-	gpio_set_dir(ENCODER_SW_PIN, GPIO_IN);
-	gpio_pull_up(ENCODER_SW_PIN);
-
-	gpio_init(ENCODER_CLK_PIN);
-	gpio_set_dir(ENCODER_CLK_PIN, GPIO_IN);
-	gpio_pull_up(ENCODER_CLK_PIN);
-
-	gpio_init(ENCODER_DT_PIN);
-	gpio_set_dir(ENCODER_DT_PIN, GPIO_IN);
-	gpio_pull_up(ENCODER_DT_PIN);
-
-	clk_last_state = gpio_get(ENCODER_CLK_PIN);
-
-	gpio_set_irq_enabled_with_callback(20, GPIO_IRQ_EDGE_RISE | GPIO_IRQ_EDGE_FALL, true, &gpio_callback);
-	gpio_set_irq_enabled(21, GPIO_IRQ_EDGE_RISE | GPIO_IRQ_EDGE_FALL, true);
-	gpio_set_irq_enabled(22, GPIO_IRQ_EDGE_FALL, true);
-}
-
-
-void setup_screen() {
-	i2c_init(i2c1, 400 * 1000);
-
-	gpio_set_function(SCREEN_SDA_PIN, GPIO_FUNC_I2C);
-	gpio_set_function(SCREEN_SCL_PIN, GPIO_FUNC_I2C);
-
-	gpio_pull_up(SCREEN_SDA_PIN);
-	gpio_pull_up(SCREEN_SCL_PIN);
-
-	display = new pico_ssd1306::SSD1306(i2c1, 0x3C, pico_ssd1306::Size::W128xH64);
-	display->setOrientation(0);
-}
-
-
 void core1_entry() {
 	multicore_fifo_pop_blocking();
 
 	char buffer[32];
 
 	while (true) {
-		if (updateScreen) {
-			display->clear();
-
-			snprintf(buffer, sizeof(buffer), "BPM: %u", BPM);
-			pico_ssd1306::drawText(display, font_12x16, buffer, 0, 0);
-
-			display->sendBuffer();
-
-			updateScreen = 0;
-		}
+		display_handler.render();
 	}
 }
 
 
 void setup_outs() {
-	Gate* my_outputs[] = {&out1, &out2, &out3, &out4, &out5, &out6, &out7, &out8};
 
-	for (auto g : my_outputs) {
+	for (auto g : outputs) {
 			gpio_init(g->pin);
 			gpio_set_dir(g->pin, GPIO_OUT);
 			g->setLen(period_us);
 	}
 
   // manual setup
-  out1.setDiv(8, 0);
-  out1.setWidth(50);
+  out1.setDiv(1);
+  // out1.setWidth(50);
+  //
+  // out2.setDiv(4, 0);
+  // out2.setWidth(50);
+  //
+  // out3.setDiv(2, 0);
+  // out3.setWidth(50);
+  //
+  // out4.setDiv(1);
+  // out4.setWidth(50);
+  //
+  // out5.setDiv(2);
+  // out5.setWidth(50);
+  //
+  // out6.setDiv(4);
+  // out6.setWidth(50);
+  //
+  // out7.setDiv(8);
+  // out7.setWidth(50);
+  //
+  // out8.setDiv(16);
+  // out8.setWidth(50);
+}
 
-  out2.setDiv(4, 0);
-  out2.setWidth(50);
 
-  out3.setDiv(2, 0);
-  out3.setWidth(50);
+void handle_outs() {
+  if (beatToggle) {
+		for (Gate* g: outputs) {
+			if (g->modifier != 0) {
+				g->turnOn();
+			}
+		}
 
-  out4.setDiv(1);
-  out4.setWidth(50);
-
-  out5.setDiv(2);
-  out5.setWidth(50);
-
-  out6.setDiv(4);
-  out6.setWidth(50);
-
-  out7.setDiv(8);
-  out7.setWidth(50);
-
-  out8.setDiv(16);
-  out8.setWidth(50);
+    beatToggle = false;
+  }
+		for (Gate* g: outputs) {
+			if (g->modifier != 0) {
+				g->turnOff();
+			}
+		}
 }
 
 
@@ -187,37 +134,17 @@ int main() {
 	stdio_init_all();
 	srand(rosc_hw->randombit);
 
-	setup_screen();
+	display_handler.setup();
 	multicore_launch_core1(core1_entry);
 	multicore_fifo_push_blocking(1);
 
-	setup_encoder();
+	encoder_handler.setup();
+
 	setup_outs();
 
 	update_period();
 
 	while (true) {
-  if (beatToggle) {
-    out1.turnOn();
-    out2.turnOn();
-    out3.turnOn();
-    out4.turnOn();
-    out5.turnOn();
-    out6.turnOn();
-    out7.turnOn();
-    out8.turnOn();
-
-    beatToggle = false;
+		handle_outs();
 	}
-
-    out1.turnOff();
-    out2.turnOff();
-    out3.turnOff();
-    out4.turnOff();
-    out5.turnOff();
-    out6.turnOff();
-    out7.turnOff();
-    out8.turnOff();
-	}
-
 }