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embed: introduce display_identify
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2
Makefile
2
Makefile
@ -93,6 +93,8 @@ cstyle: ## run code style check on low-level C code
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build: build_boardloader build_bootloader build_firmware build_prodtest build_unix ## build all
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build_embed: build_boardloader build_bootloader build_firmware # build boardloader, bootloader, firmware
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build_boardloader: ## build boardloader
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$(SCONS) CFLAGS="$(CFLAGS)" PRODUCTION="$(PRODUCTION)" $(BOARDLOADER_BUILD_DIR)/boardloader.bin
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@ -32,11 +32,26 @@
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#define DISPLAY_MEMORY_PIN 16
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#define CMD(X) (*((__IO uint8_t *)((uint32_t)(DISPLAY_MEMORY_BASE))) = (X))
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#define DATA(X) (*((__IO uint8_t *)((uint32_t)(DISPLAY_MEMORY_BASE | (1 << DISPLAY_MEMORY_PIN)))) = (X))
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#define ADDR (*((__IO uint8_t *)((uint32_t)(DISPLAY_MEMORY_BASE | (1 << DISPLAY_MEMORY_PIN)))))
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#define DATA(X) (ADDR) = (X)
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#define PIXELDATA(X) DATA((X) >> 8); DATA((X) & 0xFF)
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#define LED_PWM_TIM_PERIOD (10000)
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static uint32_t __attribute__((unused)) display_identify(void)
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{
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uint8_t c;
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uint32_t id = 0;
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CMD(0x04); // RDDID: Read Display ID
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c = ADDR; id |= (c << 24);
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c = ADDR; id |= (c << 16);
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c = ADDR; id |= (c << 8);
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c = ADDR; id |= c;
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return id;
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}
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static void __attribute__((unused)) display_sleep(void)
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{
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#if DISPLAY_ILI9341V || DISPLAY_ST7789V
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