turgu1 wrote:
To help you appreciate the usefulness of this new style, here is an example
from a real application for which this style permits to better comprehend the
intricacies of the directives present in it.
```
#pragma once
#include <cstdint>
#include "non_copyable.hpp"
#include "battery.hpp"
#include "eink.hpp"
#include "eink_10.hpp"
#include "eink_5v2.hpp"
#include "eink_6.hpp"
#include "eink_6flick.hpp"
#include "eink_6plus.hpp"
#include "eink_6plus_v2.hpp"
#include "eink_6v2.hpp"
#include "rtc_pcf85063.hpp"
#include "sd_card.hpp"
#if PCAL6416
#include "pcal6416.hpp"
#else
#include "mcp23017.hpp"
#endif
#if EXTENDED_CASE && (INKPLATE_6 || INKPLATE_10)
#include "press_keys.hpp"
#elif INKPLATE_6 || INKPLATE_10
#include "touch_keys.hpp"
#elif INKPLATE_6PLUS || INKPLATE_6PLUS_V2 || INKPLATE_6FLICK
#if INKPLATE_6FLICK
#include "touch_screen_cypress.hpp"
#else
#include "touch_screen_elan.hpp"
#endif
#include "front_light.hpp"
#endif
#if __INKPLATE_PLATFORM__
IOExpander io_expander_int(0x20);
Battery battery(io_expander_int);
SDCard sd_card(io_expander_int);
#if EXTENDED_CASE && (INKPLATE_6 || INKPLATE_10)
PressKeys press_keys(io_expander_int);
#elif INKPLATE_6 || INKPLATE_10
TouchKeys touch_keys(io_expander_int);
#elif INKPLATE_6PLUS || INKPLATE_6PLUS_V2 || INKPLATE_6FLICK
TouchScreen touch_screen(io_expander_int);
FrontLight front_light(io_expander_int);
#endif
#if INKPLATE_5V2
EInk5V2 e_ink(io_expander_int);
#elif INKPLATE_6
EInk6 e_ink(io_expander_int);
#elif INKPLATE_5V2
EInk5V2 e_ink(io_expander_int);
#elif INKPLATE_6V2
EInk6V2 e_ink(io_expander_int);
#elif INKPLATE_10
IOExpander io_expander_ext(0x22);
EInk10 e_ink(io_expander_int, io_expander_ext);
#elif INKPLATE_6PLUS
IOExpander io_expander_ext(0x22);
EInk6PLUS e_ink(io_expander_int, io_expander_ext);
#elif INKPLATE_6PLUS_V2
IOExpander io_expander_ext(0x21);
EInk6PLUSV2 e_ink(io_expander_int, io_expander_ext);
#elif INKPLATE_6FLICK
IOExpander io_expander_ext(0x21);
EInk6FLICK e_ink(io_expander_int, io_expander_ext);
#else
#error
\
"One of INKPLATE_6, INKPLATE_5V2, INKPLATE_6V2, INKPLATE_10,
INKPLATE_6PLUS, INKPLATE_6PLUS_V2, INKPLATE_6FLICK must be defined."
#endif
RTC rtc(0x51);
#else
extern IOExpander io_expander_int;
extern Battery battery;
extern SDCard sd_card;
#if EXTENDED_CASE
extern PressKeys press_keys;
#elif INKPLATE_6 || INKPLATE_10
extern TouchKeys touch_keys;
#elif INKPLATE_6PLUS || INKPLATE_6PLUS_V2 || INKPLATE_6FLICK
extern TouchScreen touch_screen;
extern FrontLight front_light;
#endif
#if INKPLATE_5V2
extern EInk5V2 e_ink;
#elif INKPLATE_6
extern EInk6 e_ink;
#elif INKPLATE_5V2
extern EInk5V2 e_ink;
#elif INKPLATE_6V2
extern EInk6V2 e_ink;
#elif INKPLATE_10
extern IOExpander io_expander_ext;
extern EInk10 e_ink;
#elif INKPLATE_6PLUS
extern IOExpander io_expander_ext;
extern EInk6PLUS e_ink;
#elif INKPLATE_6PLUS_V2
extern IOExpander io_expander_ext;
extern EInk6PLUSV2 e_ink;
#elif INKPLATE_6FLICK
extern IOExpander io_expander_ext;
extern EInk6FLICK e_ink;
#else
#error
\
"One of INKPLATE_6, INKPLATE_5V2, INKPLATE_6V2, INKPLATE_10,
INKPLATE_6PLUS, INKPLATE_6PLUS_V2, INKPLATE_6FLICK must be defined."
#endif
extern RTC rtc;
#endif
class InkPlatePlatform : NonCopyable {
private:
static constexpr char const *TAG = "InkPlatePlatform";
static InkPlatePlatform singleton;
InkPlatePlatform() {};
public:
static inline InkPlatePlatform &get_singleton() noexcept { return singleton; }
/**
* @brief Setup the InkPlate Devices
*
* This method initialize the SD-Card, the e-Ink display, battery status, and
the
* touchkeys/touchscreen capabilities.
* @param sd_card_init - true will initialize the sd_card, default is false
* @param touch_screen_handler - For INKPLATE_6PLUS only, pointer to the
touch_screen handler. As
* this handler is called from an interrupt function, it is very limited in
actions that can be
* taken there. In the handler code, better use a flag or a FreeRTOS queue to
get the processing
* done in an out of interrupt method or handler.
* @return true - All devices ready
* @return false - Some device not initialized properly
*/
#if INKPLATE_6PLUS || INKPLATE_6PLUS_V2 || INKPLATE_6FLICK
bool setup(bool sd_card_init = false,
TouchScreen::ISRHandlerPtr touch_screen_handler = nullptr);
#else
bool setup(bool sd_card_init = false);
#endif
bool light_sleep(uint32_t minutes_to_sleep, gpio_num_t gpio_num =
(gpio_num_t)0, int level = 1);
void deep_sleep(gpio_num_t gpio_num = (gpio_num_t)0, int level = 1);
};
#if __INKPLATE_PLATFORM__
InkPlatePlatform &inkplate_platform = InkPlatePlatform::get_singleton();
#else
extern InkPlatePlatform &inkplate_platform;
#endif
```
https://github.com/llvm/llvm-project/pull/186686
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