Hal refactored (#99)

Boards/LilygoTdeck/Source/InitHardware.cpp

@@ -0,0 +1,45 @@
+#include "TactilityCore.h"
+#include "hal/TdeckDisplayConstants.h"
+#include <driver/spi_common.h>
+#include <soc/gpio_num.h>
+#include <driver/ledc.h>
+
+#define TAG "tdeck"
+
+// SPI
+#define TDECK_SPI_HOST SPI2_HOST
+#define TDECK_SPI_PIN_SCLK GPIO_NUM_40
+#define TDECK_SPI_PIN_MOSI GPIO_NUM_41
+#define TDECK_SPI_PIN_MISO GPIO_NUM_38
+#define TDECK_SPI_TRANSFER_SIZE_LIMIT (TDECK_LCD_HORIZONTAL_RESOLUTION * TDECK_LCD_SPI_TRANSFER_HEIGHT * (TDECK_LCD_BITS_PER_PIXEL / 8))
+
+#define TDECK_LCD_BACKLIGHT_LEDC_TIMER LEDC_TIMER_0
+#define TDECK_LCD_BACKLIGHT_LEDC_MODE LEDC_LOW_SPEED_MODE
+#define TDECK_LCD_BACKLIGHT_LEDC_CHANNEL LEDC_CHANNEL_0
+#define TDECK_LCD_BACKLIGHT_LEDC_DUTY_RES LEDC_TIMER_8_BIT
+#define TDECK_LCD_BACKLIGHT_LEDC_FREQUENCY (4000)
+
+
+static bool init_spi() {
+    spi_bus_config_t bus_config = {
+        .mosi_io_num = TDECK_SPI_PIN_MOSI,
+        .miso_io_num = TDECK_SPI_PIN_MISO,
+        .sclk_io_num = TDECK_SPI_PIN_SCLK,
+        .quadwp_io_num = -1, // Quad SPI LCD driver is not yet supported
+        .quadhd_io_num = -1, // Quad SPI LCD driver is not yet supported
+        .max_transfer_sz = TDECK_SPI_TRANSFER_SIZE_LIMIT,
+    };
+
+    return spi_bus_initialize(TDECK_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO) == ESP_OK;
+}
+
+bool tdeck_init_hardware() {
+    TT_LOG_I(TAG, "Init SPI");
+
+    if (!init_spi()) {
+        TT_LOG_E(TAG, "Init SPI failed");
+        return false;
+    }
+
+    return true;
+}