Add Djinn. (qmk#17382)

* Add Djinn.

* Review comments.

* Further cleanup.

.gitignore

@@ -68,10 +68,12 @@ CMakeLists.txt
 .vscode/temp.sql
 tags
 
-# Ignore image files
+# Ignore image/font files
 *.gif
 *.jpg
 *.png
+*.ttf
+*.otf
 
 # Things Travis sees
 /.vs

keyboards/tzarc/djinn/config.h

@@ -0,0 +1,74 @@
+// Copyright 2018-2022 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+#include "config_common.h"
+
+// Encoders -- right-side is reversed
+#define ENCODERS_PAD_A \
+    { C14 }
+#define ENCODERS_PAD_B \
+    { C15 }
+#define ENCODERS_PAD_A_RIGHT \
+    { C15 }
+#define ENCODERS_PAD_B_RIGHT \
+    { C14 }
+
+#ifndef ENCODER_RESOLUTION
+#    define ENCODER_RESOLUTION 2
+#endif // ENCODER_RESOLUTION
+
+// Bootloader
+#define STM32_BOOTLOADER_DUAL_BANK TRUE
+#define STM32_BOOTLOADER_DUAL_BANK_GPIO B7
+
+// Peripheral power control pins
+#define LCD_POWER_ENABLE_PIN A6
+
+// Split configuration
+#define SPLIT_TRANSACTION_IDS_KB RPC_ID_SYNC_STATE_KB
+#define SPLIT_TRANSPORT_MIRROR
+#define SPLIT_LAYER_STATE_ENABLE
+#define SPLIT_LED_STATE_ENABLE
+#define SPLIT_MODS_ENABLE
+#define SPLIT_WPM_ENABLE
+
+// SPI Configuration
+#define SPI_DRIVER SPID3
+#define SPI_SCK_PIN C10
+#define SPI_SCK_PAL_MODE 6
+#define SPI_MOSI_PIN C12
+#define SPI_MOSI_PAL_MODE 6
+#define SPI_MISO_PIN C11
+#define SPI_MISO_PAL_MODE 6
+
+// LCD Configuration
+#define LCD_RST_PIN B3
+#define LCD_CS_PIN D2
+#define LCD_DC_PIN A15
+#ifndef LCD_ACTIVITY_TIMEOUT
+#    define LCD_ACTIVITY_TIMEOUT 30000
+#endif // LCD_ACTIVITY_TIMEOUT
+
+// Backlight driver (to control LCD backlight)
+#define BACKLIGHT_LEVELS 4
+#define BACKLIGHT_PWM_DRIVER PWMD17
+#define BACKLIGHT_PWM_CHANNEL 1
+#define BACKLIGHT_PAL_MODE 1
+
+// RGB configuration
+#define RGB_DI_PIN B2
+#define WS2812_EXTERNAL_PULLUP
+#define WS2812_PWM_DRIVER PWMD20
+#define WS2812_PWM_CHANNEL 1
+#define WS2812_PWM_PAL_MODE 3
+#define WS2812_DMA_STREAM STM32_DMA1_STREAM1
+#define WS2812_DMA_CHANNEL 1
+#define WS2812_DMAMUX_ID STM32_DMAMUX1_TIM20_UP
+
+// Audio configuration
+#define AUDIO_PIN A5
+#define AUDIO_PIN_ALT A4
+#define AUDIO_PIN_ALT_AS_NEGATIVE
+#ifndef STARTUP_SONG
+#    define STARTUP_SONG SONG(STARTUP_SOUND)
+#endif // STARTUP_SONG

keyboards/tzarc/djinn/djinn.c

@@ -0,0 +1,199 @@
+// Copyright 2018-2022 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <string.h>
+#include "quantum.h"
+#include <hal_pal.h>
+#include "djinn.h"
+#include "serial.h"
+#include "split_util.h"
+#include "qp.h"
+
+painter_device_t lcd;
+
+// clang-format off
+#ifdef SWAP_HANDS_ENABLE
+const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
+   { { 6,  6 }, { 5,  6 }, { 4,  6 }, { 3,  6 }, { 2,  6 }, { 1,  6 }, { 0,  6 } },
+   { { 6,  7 }, { 5,  7 }, { 4,  7 }, { 3,  7 }, { 2,  7 }, { 1,  7 }, { 0,  7 } },
+   { { 6,  8 }, { 5,  8 }, { 4,  8 }, { 3,  8 }, { 2,  8 }, { 1,  8 }, { 0,  8 } },
+   { { 6,  9 }, { 5,  9 }, { 4,  9 }, { 3,  9 }, { 2,  9 }, { 1,  9 }, { 0,  9 } },
+   { { 0,  0 }, { 0,  0 }, { 0,  0 }, { 6, 10 }, { 5, 10 }, { 4, 10 }, { 3, 10 } },
+   { { 0,  0 }, { 6, 11 }, { 5, 11 }, { 4, 11 }, { 3, 11 }, { 2, 11 }, { 1, 11 } },
+
+   { { 6,  0 }, { 5,  0 }, { 4,  0 }, { 3,  0 }, { 2,  0 }, { 1,  0 }, { 0,  0 } },
+   { { 6,  1 }, { 5,  1 }, { 4,  1 }, { 3,  1 }, { 2,  1 }, { 1,  1 }, { 0,  1 } },
+   { { 6,  2 }, { 5,  2 }, { 4,  2 }, { 3,  2 }, { 2,  2 }, { 1,  2 }, { 0,  2 } },
+   { { 6,  3 }, { 5,  3 }, { 4,  3 }, { 3,  3 }, { 2,  3 }, { 1,  3 }, { 0,  3 } },
+   { { 0,  0 }, { 0,  0 }, { 0,  0 }, { 6,  4 }, { 5,  4 }, { 4,  4 }, { 3,  4 } },
+   { { 0,  0 }, { 6,  5 }, { 5,  5 }, { 4,  5 }, { 3,  5 }, { 2,  5 }, { 1,  5 } },
+};
+#    ifdef ENCODER_MAP_ENABLE
+const uint8_t PROGMEM encoder_hand_swap_config[NUM_ENCODERS] = { 1, 0 };
+#    endif // ENCODER_MAP_ENABLE
+#endif // SWAP_HANDS_ENABLE
+// clang-format on
+
+void board_init(void) {
+    usbpd_init();
+}
+
+//----------------------------------------------------------
+// Initialisation
+
+void keyboard_post_init_kb(void) {
+    // Register keyboard state sync split transaction
+    transaction_register_rpc(RPC_ID_SYNC_STATE_KB, kb_state_sync_slave);
+
+    // Reset the initial shared data value between master and slave
+    memset(&kb_state, 0, sizeof(kb_state));
+
+    // Turn off increased current limits
+    setPinOutput(RGB_CURR_1500mA_OK_PIN);
+    writePinLow(RGB_CURR_1500mA_OK_PIN);
+    setPinOutput(RGB_CURR_3000mA_OK_PIN);
+    writePinLow(RGB_CURR_3000mA_OK_PIN);
+
+    // Turn on the RGB
+    setPinOutput(RGB_POWER_ENABLE_PIN);
+    writePinHigh(RGB_POWER_ENABLE_PIN);
+
+#ifdef EXTERNAL_FLASH_SPI_SLAVE_SELECT_PIN
+    setPinOutput(EXTERNAL_FLASH_SPI_SLAVE_SELECT_PIN);
+    writePinHigh(EXTERNAL_FLASH_SPI_SLAVE_SELECT_PIN);
+#endif // EXTERNAL_FLASH_SPI_SLAVE_SELECT_PIN
+
+    // Turn on the LCD
+    setPinOutput(LCD_POWER_ENABLE_PIN);
+    writePinHigh(LCD_POWER_ENABLE_PIN);
+
+    // Let the LCD get some power...
+    wait_ms(150);
+
+    // Initialise the LCD
+    lcd = qp_ili9341_make_spi_device(320, 240, LCD_CS_PIN, LCD_DC_PIN, LCD_RST_PIN, 4, 3);
+    qp_init(lcd, QP_ROTATION_0);
+
+    // Turn on the LCD and clear the display
+    kb_state.lcd_power = 1;
+    qp_power(lcd, true);
+    qp_rect(lcd, 0, 0, 239, 319, HSV_BLACK, true);
+
+    // Turn on the LCD backlight
+    backlight_enable();
+    backlight_level(BACKLIGHT_LEVELS);
+
+    // Allow for user post-init
+    keyboard_post_init_user();
+}
+
+//----------------------------------------------------------
+// RGB brightness scaling dependent on USBPD state
+
+#if defined(RGB_MATRIX_ENABLE)
+RGB rgb_matrix_hsv_to_rgb(HSV hsv) {
+    float scale;
+    switch (kb_state.current_setting) {
+        default:
+        case USBPD_500MA:
+            scale = 0.35f;
+            break;
+        case USBPD_1500MA:
+            scale = 0.75f;
+            break;
+        case USBPD_3000MA:
+            scale = 1.0f;
+            break;
+    }
+
+    hsv.v = (uint8_t)(hsv.v * scale);
+    return hsv_to_rgb(hsv);
+}
+#endif
+
+//----------------------------------------------------------
+// UI Placeholder, implemented in themes
+
+__attribute__((weak)) void draw_ui_user(void) {}
+
+//----------------------------------------------------------
+// Housekeeping
+
+void housekeeping_task_kb(void) {
+    // Update kb_state so we can send to slave
+    kb_state_update();
+
+    // Data sync from master to slave
+    kb_state_sync();
+
+    // Work out if we've changed our current limit, update the limiter circuit switches
+    static uint8_t current_setting = USBPD_500MA;
+    if (current_setting != kb_state.current_setting) {
+        current_setting = kb_state.current_setting;
+        switch (current_setting) {
+            default:
+            case USBPD_500MA:
+                writePinLow(RGB_CURR_1500mA_OK_PIN);
+                writePinLow(RGB_CURR_3000mA_OK_PIN);
+                break;
+            case USBPD_1500MA:
+                writePinHigh(RGB_CURR_1500mA_OK_PIN);
+                writePinLow(RGB_CURR_3000mA_OK_PIN);
+                break;
+            case USBPD_3000MA:
+                writePinHigh(RGB_CURR_1500mA_OK_PIN);
+                writePinHigh(RGB_CURR_3000mA_OK_PIN);
+                break;
+        }
+
+        // If we've changed the current limit, toggle rgb off and on if it was on, to force a brightness update on all LEDs
+        if (is_keyboard_master() && rgb_matrix_is_enabled()) {
+            rgb_matrix_disable_noeeprom();
+            rgb_matrix_enable_noeeprom();
+        }
+    }
+
+    // Turn on/off the LCD
+    static bool lcd_on = false;
+    if (lcd_on != (bool)kb_state.lcd_power) {
+        lcd_on = (bool)kb_state.lcd_power;
+        qp_power(lcd, lcd_on);
+    }
+
+    // Enable/disable RGB
+    if (lcd_on) {
+        // Turn on RGB
+        writePinHigh(RGB_POWER_ENABLE_PIN);
+        // Modify the RGB state if different to the LCD state
+        if (rgb_matrix_is_enabled() != lcd_on) {
+            // Wait for a small amount of time to allow the RGB capacitors to charge, before enabling RGB output
+            wait_ms(10);
+            // Enable RGB
+            rgb_matrix_enable_noeeprom();
+        }
+    } else {
+        // Turn off RGB
+        writePinLow(RGB_POWER_ENABLE_PIN);
+        // Disable the PWM output for the RGB
+        if (rgb_matrix_is_enabled() != lcd_on) {
+            rgb_matrix_disable_noeeprom();
+        }
+    }
+
+    // Match the backlight to the LCD state
+    if (is_keyboard_master() && is_backlight_enabled() != lcd_on) {
+        if (lcd_on)
+            backlight_enable();
+        else
+            backlight_disable();
+    }
+
+    // Draw the UI
+    if (kb_state.lcd_power) {
+        draw_ui_user();
+    }
+
+    // Go into low-scan interrupt-based mode if we haven't had any matrix activity in the last 250 milliseconds
+    if (last_input_activity_elapsed() > 250) {
+        matrix_wait_for_interrupt();
+    }
+}

keyboards/tzarc/djinn/djinn.h

@@ -0,0 +1,32 @@
+// Copyright 2018-2022 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+#include "quantum.h"
+#include "qp.h"
+
+//----------------------------------------------------------
+// General stuff
+
+extern painter_device_t lcd;
+
+void matrix_wait_for_interrupt(void);
+
+void        usbpd_update(void);
+const char* usbpd_str(usbpd_allowance_t allowance);
+
+//----------------------------------------------------------
+// Runtime data sync -- keyboard
+
+#pragma pack(push)
+#pragma pack(1)
+typedef struct kb_runtime_config {
+    unsigned          lcd_power : 1;
+    usbpd_allowance_t current_setting : 2;
+} kb_runtime_config;
+#pragma pack(pop)
+
+extern kb_runtime_config kb_state;
+
+void kb_state_update(void);
+void kb_state_sync(void);
+void kb_state_sync_slave(uint8_t m2s_size, const void* m2s_buffer, uint8_t s2m_size, void* s2m_buffer);