abstracting display, touch and sd

lib/st7789/st7789.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2021 Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * 
+ * ST7789 TFT LCD Display Driver
+ */
+
+#ifndef _PICO_ST7789_H_
+#define _PICO_ST7789_H_
+
+#include "hardware/spi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct st7789_config {
+    spi_inst_t* spi;
+    uint gpio_din;
+    uint gpio_clk;
+    int gpio_cs;
+    uint gpio_dc;
+    uint gpio_rst;
+    uint gpio_bl;
+};
+
+void st7789_init(const struct st7789_config *config, uint16_t width, uint16_t height);
+void st7789_fill(uint16_t color);
+void st7789_put(uint16_t color);
+void st7789_set_cursor(uint16_t x, uint16_t y);
+void st7789_write(const uint16_t *data, size_t len);
+void st7789_vertical_scroll(uint16_t row);
+void st7789_draw_pixel(uint16_t x, uint16_t y, uint16_t color);
+void st7789_draw_rect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t color);
+void st7789_fill_rect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t color);
+void st7789_draw_circle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color);
+void st7789_fill_circle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color);
+void st7789_draw_line(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif