abstracting display, touch and sd

board_config.h

@@ -0,0 +1,126 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+#include "pico/stdlib.h"
+
+// Forward declare display and touch types (actual enums in respective headers)
+// Display options: DISPLAY_TYPE_ST7796, DISPLAY_TYPE_ST7789, DISPLAY_TYPE_EPAPER
+// Touch options: TOUCH_TYPE_FT6336U, TOUCH_TYPE_NONE
+
+// Board-specific pin definitions and configurations
+
+#if defined(PICO_BOARD_ADAFRUIT_FEATHER_RP2350)
+    // Adafruit Feather RP2350 pinout
+    #define BOARD_NAME "Adafruit Feather RP2350"
+    
+    // Display configuration
+    #define DISPLAY_WIDTH 480
+    #define DISPLAY_HEIGHT 320
+    #define DISPLAY_TYPE_SELECTED 0  // DISPLAY_TYPE_ST7796
+    
+    // Touch configuration
+    #define TOUCH_TYPE_SELECTED 0  // TOUCH_TYPE_FT6336U
+    #define TOUCH_SWAP_XY true
+    #define TOUCH_INVERT_X true
+    #define TOUCH_INVERT_Y false
+    
+    // SPI pins for display
+    #define DISPLAY_SPI_PORT spi1
+    #define DISPLAY_SCK_PIN  18
+    #define DISPLAY_MOSI_PIN 19
+    #define DISPLAY_MISO_PIN 20
+    #define DISPLAY_CS_PIN   17
+    #define DISPLAY_DC_PIN   16
+    #define DISPLAY_RST_PIN  15
+    #define DISPLAY_BL_PIN   14
+    #define DISPLAY_BUSY_PIN 13  // For e-paper displays
+    
+    // I2C pins for touch
+    #define TOUCH_I2C_PORT i2c0
+    #define TOUCH_SDA_PIN  4
+    #define TOUCH_SCL_PIN  5
+    #define TOUCH_INT_PIN  6
+    #define TOUCH_RST_PIN  7
+    
+    // SD card pins (shared SPI with display)
+    #define SD_SPI_PORT    spi1
+    #define SD_CS_PIN      10
+    
+#elif defined(PICO_BOARD) && (PICO_BOARD == pico2 || PICO_BOARD == pico2_w)
+    // Raspberry Pi Pico 2 / Pico 2 W pinout
+    #define BOARD_NAME "Raspberry Pi Pico 2"
+    
+    // Display configuration
+    #define DISPLAY_WIDTH 480
+    #define DISPLAY_HEIGHT 320
+    #define DISPLAY_TYPE_SELECTED 0  // DISPLAY_TYPE_ST7796
+    
+    // Touch configuration
+    #define TOUCH_TYPE_SELECTED 0  // TOUCH_TYPE_FT6336U
+    #define TOUCH_SWAP_XY true
+    #define TOUCH_INVERT_X true
+    #define TOUCH_INVERT_Y false
+    
+    // SPI pins for display (using SPI0)
+    #define DISPLAY_SPI_PORT spi0
+    #define DISPLAY_SCK_PIN  2   // GP2
+    #define DISPLAY_MOSI_PIN 3   // GP3
+    #define DISPLAY_MISO_PIN 4   // GP4
+    #define DISPLAY_CS_PIN   5   // GP5
+    #define DISPLAY_DC_PIN   6   // GP6
+    #define DISPLAY_RST_PIN  7   // GP7
+    #define DISPLAY_BL_PIN   8   // GP8
+    #define DISPLAY_BUSY_PIN 9   // GP9 - For e-paper displays
+    
+    // I2C pins for touch (using I2C0)
+    #define TOUCH_I2C_PORT i2c0
+    #define TOUCH_SDA_PIN  12  // GP12
+    #define TOUCH_SCL_PIN  13  // GP13
+    #define TOUCH_INT_PIN  14  // GP14
+    #define TOUCH_RST_PIN  15  // GP15
+    
+    // SD card pins (separate SPI1)
+    #define SD_SPI_PORT    spi1
+    #define SD_CS_PIN      17  // GP17
+    
+#else
+    #warning "Unknown board! Using default Pico 2 pinout"
+    #define BOARD_NAME "Unknown Board (Pico 2 defaults)"
+    
+    // Display configuration
+    #define DISPLAY_WIDTH 480
+    #define DISPLAY_HEIGHT 320
+    #define DISPLAY_TYPE_SELECTED 0  // DISPLAY_TYPE_ST7796
+    
+    // Touch configuration
+    #define TOUCH_TYPE_SELECTED 0  // TOUCH_TYPE_FT6336U
+    #define TOUCH_SWAP_XY true
+    #define TOUCH_INVERT_X true
+    #define TOUCH_INVERT_Y false
+    
+    // Default to Pico 2 pinout
+    #define DISPLAY_SPI_PORT spi0
+    #define DISPLAY_SCK_PIN  2
+    #define DISPLAY_MOSI_PIN 3
+    #define DISPLAY_MISO_PIN 4
+    #define DISPLAY_CS_PIN   5
+    #define DISPLAY_DC_PIN   6
+    #define DISPLAY_RST_PIN  7
+    #define DISPLAY_BL_PIN   8
+    #define DISPLAY_BUSY_PIN 9   // For e-paper displays
+    
+    #define TOUCH_I2C_PORT i2c0
+    #define TOUCH_SDA_PIN  12
+    #define TOUCH_SCL_PIN  13
+    #define TOUCH_INT_PIN  14
+    #define TOUCH_RST_PIN  15
+    
+    #define SD_SPI_PORT    spi1
+    #define SD_CS_PIN      17
+#endif
+
+// Common configuration
+#define SPI_BAUDRATE (32 * 1000 * 1000)  // 32 MHz for display
+#define I2C_BAUDRATE (400 * 1000)        // 400 kHz for touch
+
+#endif // BOARD_CONFIG_H