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81 lines
2.0 KiB
Markdown
81 lines
2.0 KiB
Markdown
# STA Core library
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Collection of useful stuff.
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# Modules
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## Assert
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Assertion handling.
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Configuration:
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* `#define STA_ASSERT_ENABLE`: Enable module
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* `#define STA_ASSERT_DISABLE`: Forces module off when defined
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* `#define STA_HALT <func_name>`: Override function called after failed asserts
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* `DEBUG`: Automatically enables module when defined
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* `NDEBUG`: Forces module off when defined
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Both `sta::assert_failed` and `sta::assert_halt` provide weak definitions and
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can be overridden by the application. `sta::assert_halt` is only called
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via the **STA_HALT** macro which can also be provided by the application.
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The default implementation of `sta::assert_failed` uses **STA_DEBUG_PRINT** internally
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and will not generate any output if the **DEBUG_SERIAL** module is disabled.
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## Debug Serial
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Debug serial output macros.
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Configuration:
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* `#define STA_DEBUG_SERIAL_ENABLE`: Enable module
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* `#define STA_DEBUG_SERIAL_DISABLE`: Forces module off when defined
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* `DEBUG`: Automatically enables module when defined
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* `NDEBUG`: Forces module off when defined
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The `sta::DebugSerial` instance must be provided.
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## Endian
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Endian-ness conversion for multi-byte types.
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## Enum Flags
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Type for using enum values as combinable flags.
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## Lang
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Macros related to compiler features. Not actually part of the C/C++ language.
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## MCU
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Defines specific to different MCUs. Include the appropriate header from `sta/mcu`
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for the MCU used by the application in the `<sta/config.hpp>` header.
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## Printf
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Choose which `printf` implementation is used by STA libraries.
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Configuration:
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* `#define STA_PRINTF_USE_STDLIB`: Use the stdlib implementation
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* `#define STA_PRINTF_USE_MPALAND`: Use the implementation by Marco Paland (thread safe & reentrant)
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## HAL Delay
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HAL based delay functions.
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Configuration:
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* `#define STA_HAL_DELAY_ENABLE`: Enable module
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* `#define STA_HAL_DELAY_US_TIM <tim_handle>`: 1 MHz TIM instance used by `sta::delayUs`
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TIM time base must be started before using `sta::delayUs` by calling `sta::initHAL`.
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When using the startup system task this is handled automatically. |