migrate

fw/stm8s/common/inc/lcd12864.h

@@ -0,0 +1,69 @@
+#ifndef LCD12864_H
+#define LCD12864_H
+
+#include "stdint.h"
+#include "stdbool.h"
+#include "stm8s.h"
+
+/*
+ * Initialize LCD12864.
+ *
+ * Pinout:
+ * SCK  -> PC5 [spi]
+ * MOSI -> PC6 [spi]
+ * MISO -> PC7 [spi]
+ * CS   -> PC4
+ * RES  -> PA2 //PC3
+ * DC   -> PD2
+ */
+
+#define LCD12864_TRANSACTION_START         \
+    SPI_CR1 = SPI_CR1_MSTR | SPI_CR1_BR(0) | SPI_CR1_SPE; \
+    PC_ODR &= ~PIN4;
+#define LCD12864_TRANSACTION_END           \
+    while ((SPI_SR & SPI_SR_BSY)) \
+        ;                         \
+    PC_ODR |= PIN4;               \
+    SPI_CR1 &= ~SPI_CR1_SPE;
+#define LCD12864_MODE_COMMAND PD_ODR &= ~PIN2;
+#define LCD12864_MODE_DATA PD_ODR |= PIN2;
+
+#define LCD12864_NORMALDISPLAY 0xA7
+#define LCD12864_INVERTDISPLAY 0xA6
+#define LCD12864_CLEARON 0xA5
+#define LCD12864_CLEAROFF 0xA4
+#define LCD12864_RESET 0xE2
+
+#define LCD12864_LCDWIDTH 128
+#define LCD12864_LCDHEIGHT 64
+#define LCD12864_PIX_START 0
+
+struct LCD12864_SEGMENT
+{
+    uint8_t fontWidth;
+    uint8_t fontHeight;
+    uint8_t fontSpacing;
+    uint8_t rows;
+    uint8_t cols;
+    uint8_t width;
+    uint8_t height;
+    uint8_t *buffer;
+    uint16_t bufferDepth;
+    uint8_t page0;
+    uint8_t clearChar;
+};
+
+bool lcd12864_init(bool reset);
+void lcd12864_invert_display(bool i);
+void lcd12864_clear_display(bool i);
+struct LCD12864_SEGMENT *lcd12864_new_segment(uint8_t page0, uint8_t fontWidth, uint8_t fontHeight, uint8_t fontSpacing, uint8_t rows, uint8_t clearChar);
+bool lcd12864_free_segment(struct LCD12864_SEGMENT *segment);
+bool lcd12864_clear_segment(struct LCD12864_SEGMENT *segment);
+bool lcd12864_display_segment(struct LCD12864_SEGMENT *segment);
+
+void lcd12864_clear(uint8_t d);
+
+void lcd12864_command1(uint8_t c);
+void lcd12864_command_list(const uint8_t *c, uint8_t n);
+
+#endif /* LCD12864_H */