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Adapt NBGL to support LNS+ & LNX, and use NBGL for LNS+ & LNX
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
| #ifndef HAVE_SE_TOUCH | ||
| /** @page nbgl_mainpage New BOLOS Graphic API | ||
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| @section mainpage_intro Introduction | ||
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| This documentation describes the different interfaces of <b>NBGL</b>, the library that | ||
| is targeted to be integrated in Stax product. | ||
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| <b>NBGL Engine</b> is responsible for constructing screens and handling Touchscreen input. | ||
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| @section mainpage_overall_archi Overall architecture | ||
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| <b>NBGL Engine</b> is a library to be integrated in SDK. | ||
| It is intended to replace existing BAGL/FLOW Graphical Engine (used on Nanos/Blue products) | ||
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| \image{inline} html NBGLArchi.png "caption" height=600 | ||
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| @section nbgl_drawing_api Screen drawing APIs | ||
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| @subsection nbgl_app_use_case_api_1 Application Use-cases API | ||
| This is the most preferred API level to write an embedded Application. | ||
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| The @subpage nbgl_app_use_case_nanos page contains all information necessary to understand | ||
| and use \b NBGL Application Use cases API | ||
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| @subsection nbgl_flow_level_api_1 Flow API | ||
| The @subpage nbgl_flow page contains all information necessary to understand | ||
| and use \b NBGL Flow API, managing a scenario flow, made of one or several steps | ||
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| @subsection nbgl_step_level_api_1 Step API | ||
| The @subpage nbgl_step page contains all information necessary to understand | ||
| and use \b NBGL Step API, managing the page(s) of a scenario step | ||
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| @subsection nbgl_mid_level_api_1 Complex objects (layout) API | ||
| The @subpage nbgl_layout page contains all information necessary to understand | ||
| and use \b NBGL Mid-Level API, using complex objects | ||
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| @subsection nbgl_low_level_api_1 Low-Level API | ||
| The @subpage nbgl_obj page contains all information necessary to understand | ||
| and use \b NBGL Low-Level API | ||
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| @section nbgl_screen_objs Screen and objects management | ||
| The @subpage nbgl_screens_and_objs page contains all information necessary to understand | ||
| how \b NBGL manages the screens stack and the dynamically allocated objects | ||
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| @section nbgl_touch_api Touchscreen events management | ||
| The @subpage nbgl_touchscreen page contains all information necessary to understand | ||
| how \b NBGL manages the touchscreen events and how to receive and process these events. | ||
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| @section nbgl_building Compilation options | ||
| In order to reduce the footprint (RAM+Flash), some features are only activated if some building options are defined. | ||
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| Define | Meaning | Default state | ||
| ------------- | ------------- | ------------- | ||
| \b NBGL_PAGE | Activate High-Level API | Active in SDK, not in OS | ||
| \b NBGL_USE_CASE | Activate Use Case API | Active in SDK, not in OS | ||
| \b NBGL_KEYBOARD | Activate Keyboard object | Active in OS, not in SDK | ||
| \b NBGL_KEYPAD | Activate Keypad object | Active in OS, not in SDK | ||
| \b NBGL_QRCODE | Activate QRCode object | Active in OS, not in SDK | ||
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| Applications are free to define \b NBGL_KEYBOARD, \b NBGL_KEYPAD or \b NBGL_QRCODE in their own Makefile if they need to use these | ||
| "rare" objects. | ||
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| */ | ||
| #endif // HAVE_SE_TOUCH |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,104 @@ | ||
| #ifdef NBGL_STEP | ||
| /** @page nbgl_flow Flow API | ||
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| @section nbgl_flow_intro Introduction | ||
| This chapter describes briefly the Flow API of Advanced BOLOS Graphic Library. | ||
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| This layer offers a way to handle multi-steps flows in typical scenarios of Nanos OS or Apps, like a transaction, a navigation in a menu. | ||
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| A full description of the way to create and interact with a flow can be found in this document | ||
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| @section nbgl_flow_concepts Concepts | ||
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| This layer uses the step API described in @ref nbgl_step, but for list of steps. The navigation between steps is entirely managed | ||
| by the flow engine. | ||
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| @subsection nbgl_flow_example Example | ||
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| \image{inline} html layout_nanos_flow1.png "caption" height=200 | ||
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| In this example, a flow made of 4 steps (each on one page) is built. The navigation is possible between these steps (no loop), and the | ||
| last step can be selected (double button press). | ||
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| @section nbgl_flow_operations Operations | ||
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| @subsection create_flow Draw a flow | ||
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| The configuration of a flow is provided in a single function call, through @ref nbgl_flowDraw() which will: | ||
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| - draw the first step | ||
| - Refresh after first step drawing | ||
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| The arguments of @ref nbgl_flowDraw() are: | ||
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| - An array of step descriptions (see below) | ||
| - The index of the step to start with in step descriptions array | ||
| - A boolean indicating whether the flow shall be modal or not | ||
| - A boolean indicating whether the flow is circular or not (loop) | ||
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| @code | ||
| static char string_buffer[128]; | ||
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| static void onPrepareOSversion(void); | ||
| static void onPrepareMCUversion(void); | ||
| static void onPrepareBootloaderversion(void); | ||
| static void onBack(void); | ||
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| static nbgl_flow_t flowContext; | ||
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| static const nbgl_stepDesc_t flowSteps[] = { | ||
| { | ||
| .text = "\bSecure Element", | ||
| .subText = string_buffer, | ||
| .init = onPrepareOSversion | ||
| }, | ||
| { | ||
| .text = "\bMicrocontroller", | ||
| .subText = string_buffer, | ||
| .init = onPrepareMCUversion | ||
| }, | ||
| { | ||
| .text = "\bBootloader", | ||
| .subText = string_buffer, | ||
| .init = onPrepareBootloaderversion | ||
| }, | ||
| { | ||
| .text = "\bBack", | ||
| .callback = onBack, | ||
| .icon = &C_icon_back | ||
| } | ||
| }; | ||
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| static void onPrepareOSversion(void) { | ||
| os_version((unsigned char*)string_buffer, 32); | ||
| } | ||
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| static void onPrepareMCUversion(void) { | ||
| os_seph_version((unsigned char*)string_buffer, 32); | ||
| } | ||
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| static void onPrepareBootloaderversion(void) { | ||
| os_bootloader_version((unsigned char*)string_buffer, 32); | ||
| } | ||
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| static void onBack(void) { | ||
| nbgl_flowRelease(flowContext); | ||
| // go to parent flow | ||
| } | ||
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| void displayInfo() { | ||
| // use string_buffer as temporary buffer | ||
| memset(string_buffer, 0, 128); | ||
| flowContext = nbgl_flowDraw(flowSteps, 4, 0, false, false); | ||
| } | ||
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| @endcode | ||
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| @subsection page_release Releasing a predefined page | ||
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| Before leaving a screen built with a layout, it must be released with a call to @ref nbgl_flowRelease(). It will free the allocated | ||
| objects. | ||
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| */ | ||
| #endif // NBGL_STEP |
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