Fixes and new apps (#30)

- M5 Unit Modules library + M5 Unit Test app - Minor fixes for TodoList, TwoEleven, Snake, Brainfuck and Breakout - Fixed SerialConsole to use the uart controller as it was broken in one of the many updates - Fixed keyboard input in TwoEleven, Breakout, Magic8Ball and Snake - Bluetooth Media Keys app, supports pressing physical keys to trigger the corresponding buttonmatrix button - Epub Reader app
2026-06-07 23:56:32 +10:00
parent 1f959c8bbf
commit dbf850c434
127 changed files with 11156 additions and 174 deletions
@@ -0,0 +1,93 @@
+#include <UnitMidi.h>
+#include <tactility/drivers/uart_controller.h>
+#include <esp_log.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+
+static constexpr auto* TAG            = "UnitMidi";
+static constexpr uint32_t BAUD        = 31250;
+static constexpr uint32_t SEND_TIMEOUT_MS = 20;
+
+bool UnitMidi::begin(Device* dev) {
+    if (!dev) return false;
+    UartConfig cfg = {
+        BAUD,
+        UART_CONTROLLER_DATA_8_BITS,
+        UART_CONTROLLER_PARITY_DISABLE,
+        UART_CONTROLLER_STOP_BITS_1,
+    };
+    if (uart_controller_set_config(dev, &cfg) != ERROR_NONE) {
+        ESP_LOGW(TAG, "uart_controller_set_config failed");
+        return false;
+    }
+    if (uart_controller_open(dev) != ERROR_NONE) {
+        ESP_LOGW(TAG, "uart_controller_open failed");
+        return false;
+    }
+    dev_   = dev;
+    ready_ = true;
+    // Give SAM2695 time to power up, then reset to known state
+    vTaskDelay(pdMS_TO_TICKS(100));
+    reset();
+    ESP_LOGI(TAG, "UnitMidi ready at %" PRIu32 " bps", BAUD);
+    return true;
+}
+
+void UnitMidi::end() {
+    if (dev_ && ready_) {
+        allNotesOff(0xFF);
+        uart_controller_close(dev_);
+    }
+    ready_ = false;
+    dev_   = nullptr;
+}
+
+void UnitMidi::send(const uint8_t* data, size_t len) {
+    if (!ready_ || !dev_) return;
+    uart_controller_write_bytes(dev_, data, len, pdMS_TO_TICKS(SEND_TIMEOUT_MS));
+}
+
+void UnitMidi::reset() {
+    uint8_t msg[] = { 0xFF };
+    send(msg, 1);
+}
+
+void UnitMidi::noteOn(uint8_t channel, uint8_t note, uint8_t velocity) {
+    uint8_t msg[] = { (uint8_t)(0x90 | (channel & 0x0F)), (uint8_t)(note & 0x7F), (uint8_t)(velocity & 0x7F) };
+    send(msg, 3);
+}
+
+void UnitMidi::noteOff(uint8_t channel, uint8_t note) {
+    uint8_t msg[] = { (uint8_t)(0x80 | (channel & 0x0F)), (uint8_t)(note & 0x7F), 0x00 };
+    send(msg, 3);
+}
+
+void UnitMidi::programChange(uint8_t channel, uint8_t program) {
+    uint8_t msg[] = { (uint8_t)(0xC0 | (channel & 0x0F)), (uint8_t)(program & 0x7F) };
+    send(msg, 2);
+}
+
+void UnitMidi::controlChange(uint8_t channel, uint8_t controller, uint8_t value) {
+    uint8_t msg[] = { (uint8_t)(0xB0 | (channel & 0x0F)), (uint8_t)(controller & 0x7F), (uint8_t)(value & 0x7F) };
+    send(msg, 3);
+}
+
+void UnitMidi::pitchBend(uint8_t channel, int16_t value) {
+    // value range -8192..+8191 → offset by 8192, split into 7-bit LSB/MSB
+    uint16_t v = (uint16_t)(value + 8192);
+    uint8_t msg[] = {
+        (uint8_t)(0xE0 | (channel & 0x0F)),
+        (uint8_t)(v & 0x7F),
+        (uint8_t)((v >> 7) & 0x7F),
+    };
+    send(msg, 3);
+}
+
+void UnitMidi::allNotesOff(uint8_t channel) {
+    if (channel == 0xFF) {
+        for (uint8_t ch = 0; ch < 16; ch++)
+            controlChange(ch, 123, 0);
+    } else {
+        controlChange(channel, 123, 0);
+    }
+}