Add support for the epd1in54b display

src/epd1in54b/command.rs

@@ -0,0 +1,41 @@
+//! SPI Commands for the Waveshare 1.54" red E-Ink Display
+use crate::traits;
+
+#[allow(dead_code)]
+#[allow(non_camel_case_types)]
+#[derive(Copy, Clone)]
+pub(crate) enum Command {
+    PANEL_SETTING = 0x00,
+
+    POWER_SETTING = 0x01,
+    POWER_OFF = 0x02,
+    POWER_ON = 0x04,
+    BOOSTER_SOFT_START = 0x06,
+    DATA_START_TRANSMISSION_1 = 0x10,
+    DISPLAY_REFRESH = 0x12,
+    DATA_START_TRANSMISSION_2 = 0x13,
+
+    LUT_FOR_VCOM = 0x20,
+    LUT_WHITE_TO_WHITE = 0x21,
+    LUT_BLACK_TO_WHITE = 0x22,
+    LUT_G0 = 0x23,
+    LUT_G1 = 0x24,
+    LUT_RED_VCOM = 0x25,
+    LUT_RED0 = 0x26,
+    LUT_RED1 = 0x27,
+
+    PLL_CONTROL = 0x30,
+    TEMPERATURE_SENSOR_COMMAND = 0x40,
+    TEMPERATURE_SENSOR_SELECTION = 0x41,
+    VCOM_AND_DATA_INTERVAL_SETTING = 0x50,
+    RESOLUTION_SETTING = 0x61,
+    VCM_DC_SETTING = 0x82,
+    POWER_SAVING = 0xE3,
+}
+
+impl traits::Command for Command {
+    /// Returns the address of the command
+    fn address(self) -> u8 {
+        self as u8
+    }
+}