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‎README.md‎

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@@ -15,6 +15,51 @@ Ada_Drivers_Library provides support for various devices in the ARM Cortex-M
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and RISC-V architectures. Some devices are only partially supported. Go to the
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[boards directory](boards/) for a list of supported hardware.
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## Board list
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| Arch | Board |
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| ------ | --------------------- |
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| ARM | [STM32F407_Discovery] |
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| ARM | [STM32F429_Discovery] |
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| ARM | [STM32F469_Discovery] |
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| ARM | [STM32F4XX_M] |
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| ARM | [STM32_F4VE] |
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| ARM | [STM32F746_Discovery] |
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| ARM | [STM32F769_Discovery] |
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| ARM | [STM32_H405] |
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| ARM | [NUCLEO_F446ZE] |
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| ARM | [Crazyflie] |
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| ARM | [Feather_STM32F405] |
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| ARM | [OpenMV2] |
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| ARM | [MicroBit] |
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| ARM | [NRF52_DK] |
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| RISC-V | [HiFive1] |
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| RISC-V | [HiFive1_rev_B] |
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| RISC-V | [Unleashed] |
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| | [Native] |
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<!-- Examples: -->
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[HiFive1]: examples/HiFive1/README.md
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[HiFive1_rev_B]: examples/HiFive1_rev_B/README.md
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[MicroBit]: examples/MicroBit/README.md
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[NRF52_DK]: examples/NRF52_DK/README.md
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[OpenMV2]: examples/OpenMV2/README.md
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[STM32F429_Discovery]: examples/STM32F429_Discovery/README.md
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[STM32F469_Discovery]: examples/STM32F469_Discovery/README.md
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[STM32F407_Discovery]: examples/STM32F4_DISCO/README.md
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[STM32_F4VE]: examples/stm32_f4ve/README.md
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[STM32F4XX_M]: examples/stm32f4xx_m/README.md
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[STM32F746_Discovery]: examples/STM32F746_Discovery/README.md
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[STM32F769_Discovery]: examples/STM32F769_Discovery/README.md
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<!-- Undocumented: -->
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[STM32_H405]: examples/stm32_h405/
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[NUCLEO_F446ZE]: examples/nucleo_f446ze/
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[Feather_STM32F405]: examples/feather_stm32f405
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[Crazyflie]: boards/crazyflie/
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[Unleashed]: examples/Unleashed
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[Native]: boards/native
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# 3. Getting started
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To start using the Ada_Drivers_Library, please go to the [examples

‎arch/ARM/STM32/drivers/fsmc/README.md‎

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# Flexible static memory controller (FSMC)
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This component of STM32F40x/41x processors allows for the management
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of static memory, flash memory, and PC Cards. Unlike the FMC in more
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advanced MCU models, dynamic memory is not supported. Each type of
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memory has its address bank. The controller offers flexible settings
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for various operating modes. For instance, extended modes can have
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different delays set for read and write operations. It is recommended
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to refer to the STM32 Reference Manual (RM0090) for a detailed description
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of possible modes and corresponding settings.
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* [Datasheet](https://www.st.com/resource/en/reference_manual/dm00031020-stm32f405-415-stm32f407-417-stm32f427-437-and-stm32f429-439-advanced-arm-based-32-bit-mcus-stmicroelectronics.pdf) - STM32 Reference Manual (RM0090), FSMC chapter.
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* [Configuration example](../../../../../boards/stm32_f4ve/src/display_ili9341.adb) - display_ili9341.adb:
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## Example
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Configuring Bank_1 for ILI9341 LCD controller:
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* half word (16 bit access)
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* with write enabled
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* distinct read and write timings
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```ada
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STM32.FSMC.Configure
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(Bank_1 =>
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(1 => -- TFT is connected to sub-bank 1
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(Is_Set => True,
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Value =>
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(Write_Enable => True,
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Bus_Width => STM32.FSMC.Half_Word,
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Memory_Type => STM32.FSMC.SRAM,
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Bus_Turn => 15, -- 90ns
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Data_Setup => 57, -- 342ns
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Address_Setup => 0,
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Extended =>
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(STM32.FSMC.Mode_A,
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Write_Bus_Turn => 3, -- 18ns
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Write_Data_Setup => 2, -- 12ns
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Write_Address_Setup => 0),
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others => <>)),
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others => <>));
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```

‎components/src/screen/ili9341/README.md‎

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# ILI9341
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TFT LCD Single Chip Driver 240RGBx320 Resolution and 262K color.
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It has parallel and serial interfaces for MCU. It's also able to
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receive data over RGB interface.
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The STM32F429 Discovery board utilizes an RGB interface and stores
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graphic data in the main memory. The STM32 F4VE board uses a parallel
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interface and employs ILI9341 memory, which significantly slows down
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drawing but conserves main memory. When using the parallel interface,
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ILI9341 registers are mapped to the MCU's address space through the
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memory controller (FSMC), simplifying and speeding up the drawing.
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* [Datasheet](http://www.datasheet-pdf.info/attach/1/3707537954.pdf)
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* [Example for RGB interface](../../../../examples/STM32F429_Discovery/draw_stm32f429disco.gpr) for STM32F429 Discovery
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* [Example for parallel interface](../../../../examples/stm32_f4ve/lcd) for STM32 F4VE board

‎components/src/touch_panel/xpt2046/README.md‎

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# XPT2046
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The XPT2046 is a 4-wire resistive touch screen controller that incorporates
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a 12-bit 125 kHz sampling SAR type A/D converter. Many cheap LCD displays
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contain this controller. Typically, it is connected via SPI.
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To align the touch point with the display coordinates, it might be
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necessary to calibrate the touch screen. The XPT2046 sensor provides
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raw values within the range of 0 to 4095. If you identify the raw
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values associated with the screen edges, you can perform touch
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panel calibration by invoking the Calibrate procedure.
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```ada
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subtype Sensor_Value is HAL.UInt16 range 0 .. 2 ** 12 - 1;
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procedure Calibrate
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(This : in out XPT2046_Device'Class;
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Min_X : Sensor_Value;
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Max_X : Sensor_Value;
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Min_Y : Sensor_Value;
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Max_Y : Sensor_Value);
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```
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* [Datasheet](https://www.datasheet-pdf.info/attach/1/3898350023.pdf)
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* [Example for STM32 F4VE board](../../../../examples/stm32_f4ve/lcd)

‎examples/stm32_f4ve/draw/README.md‎

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# Draw on the screen
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This example is a modified version of the draw example for
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STM32F429 Discovery. Unlike the original, it does not use
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the Framebuffer interface. Touch the screen to draw. The
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thickness of points and lines during drawing depends on
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the pressure applied and what you touch on the screen.
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Press the K-UP button for a demo of drawing primitives.
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For this demo, you need an LCD with a touch panel, which
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is usually sold as part of the STM32 F4VE board kit.

‎examples/stm32_f4ve/lcd/README.md‎

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# LCD demo
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This example demonstrates working with the LCD using the
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HAL.Bitmap.Bitmap_Buffer interface.
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Colorful rectangles are displayed on the screen, and their
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colors change based on the X and Y coordinates.
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For this demo, you need an LCD, which is usually sold as
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part of the STM32 F4VE board kit.

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