pervasive auroa mb: document observed frame rates for flashless update (8668036a) · Commits · derf / multipass

src/driver/pervasive_aurora_mb.cc

+15 −2

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ void PervasiveAuroraMb::powerOn()
		gpio.write(PERVASIVE_AURORA_CS_PIN, 1);
		}

		// see also: EPD Extension Board Gen2 (EXT2)_v1.35/EPD_drivers/src/FPL_drivers/iTC_420_Mb_LUT.c
		void PervasiveAuroraMb::initialize(signed char temperature, bool flashless)
		{
		// "Input Temperature"
		@@ -64,8 +65,20 @@ void PervasiveAuroraMb::initialize(signed char temperature, bool flashless)
		spiWrite(0xe3, (const unsigned char[]){0x88}, 1);

		if (flashless) {
		// PLL
		spiWrite(0x30, (const unsigned char[]){0x3d}, 1);
		/*
		* PLL / Frame Rate (normally depends on temperature)
		* Approximate sendUpdate times depending on configuration:
		* 0x16 ( <10 °c) → 2393 ms
		* 0x2f (10 .. 22 °c) → 1140 ms
		* 0x3f (22 .. 30 °c) → 828 ms
		* 0x3d (30 .. 40 °c) → 605 ms
		* 0x3c ( >40 °c) → 493 ms
		* 0x3b ( unspecced ) → 381 ms
		* 0x3a ( unspecced ) → 270 ms
		* 0x39 ( unspecced ) → 158 ms
		* 0x38 ( unspecced ) → 158 ms
		*/
		spiWrite(0x30, (const unsigned char[]){0x16}, 1);

		// VCom DC
		spiWrite(0x82, (const unsigned char[]){0x0e}, 1);