125 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "stdglue.h"
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#include "check.h"
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#include "memmgr.h"
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#include <main.h>
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#include <cmsis_os2.h>
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#include <stdio.h>
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#include <string.h>
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#include <m-dict.h>
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extern UART_HandleTypeDef DEBUG_UART;
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DICT_DEF2(
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    FuriStdglueCallbackDict,
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    uint32_t,
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    M_DEFAULT_OPLIST,
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    FuriStdglueWriteCallback,
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    M_PTR_OPLIST)
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typedef struct {
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    osMutexId_t mutex;
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    FuriStdglueCallbackDict_t global_outputs;
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    FuriStdglueCallbackDict_t thread_outputs;
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} FuriStdglue;
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static FuriStdglue* furi_stdglue = NULL;
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static ssize_t stdout_write(void* _cookie, const char* data, size_t size) {
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    furi_assert(furi_stdglue);
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    osKernelState_t state = osKernelGetState();
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    osThreadId_t thread_id = osThreadGetId();
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    if(state == osKernelRunning && thread_id &&
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       osMutexAcquire(furi_stdglue->mutex, osWaitForever) == osOK) {
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        // We are in the thread context
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        // Handle global callbacks
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        FuriStdglueCallbackDict_it_t it;
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        for(FuriStdglueCallbackDict_it(it, furi_stdglue->global_outputs);
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            !FuriStdglueCallbackDict_end_p(it);
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            FuriStdglueCallbackDict_next(it)) {
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            osThreadId_t it_thread = (osThreadId_t)FuriStdglueCallbackDict_ref(it)->key;
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            FuriStdglueWriteCallback it_callback = FuriStdglueCallbackDict_ref(it)->value;
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            if(thread_id != it_thread) {
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                it_callback(_cookie, data, size);
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            }
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        }
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        // Handle thread callbacks
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        FuriStdglueWriteCallback* callback_ptr =
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            FuriStdglueCallbackDict_get(furi_stdglue->thread_outputs, (uint32_t)thread_id);
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        if(callback_ptr) {
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            (*callback_ptr)(_cookie, data, size);
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        }
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        furi_check(osMutexRelease(furi_stdglue->mutex) == osOK);
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    }
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    // Flush
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    if(data == 0) {
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        /*
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         * This means that we should flush internal buffers.  Since we
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         * don't we just return.  (Remember, "handle" == -1 means that all
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         * handles should be flushed.)
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         */
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        return 0;
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    }
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    // Debug uart
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    HAL_UART_Transmit(&DEBUG_UART, (uint8_t*)data, (uint16_t)size, HAL_MAX_DELAY);
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    // All data consumed
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    return size;
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}
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void furi_stdglue_init() {
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    furi_stdglue = furi_alloc(sizeof(FuriStdglue));
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    // Init outputs structures
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    furi_stdglue->mutex = osMutexNew(NULL);
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    furi_check(furi_stdglue->mutex);
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    FuriStdglueCallbackDict_init(furi_stdglue->global_outputs);
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    FuriStdglueCallbackDict_init(furi_stdglue->thread_outputs);
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    // Prepare and set stdout descriptor
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    FILE* fp = fopencookie(
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        NULL,
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        "w",
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        (cookie_io_functions_t){
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            .read = NULL,
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            .write = stdout_write,
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            .seek = NULL,
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            .close = NULL,
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        });
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    setvbuf(fp, NULL, _IOLBF, 0);
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    stdout = fp;
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}
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bool furi_stdglue_set_global_stdout_callback(FuriStdglueWriteCallback callback) {
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    furi_assert(furi_stdglue);
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    osThreadId_t thread_id = osThreadGetId();
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    if(thread_id) {
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        furi_check(osMutexAcquire(furi_stdglue->mutex, osWaitForever) == osOK);
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        if(callback) {
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            FuriStdglueCallbackDict_set_at(
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                furi_stdglue->global_outputs, (uint32_t)thread_id, callback);
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        } else {
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            FuriStdglueCallbackDict_erase(furi_stdglue->global_outputs, (uint32_t)thread_id);
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        }
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        furi_check(osMutexRelease(furi_stdglue->mutex) == osOK);
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        return true;
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    } else {
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        return false;
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    }
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}
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bool furi_stdglue_set_thread_stdout_callback(FuriStdglueWriteCallback callback) {
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    furi_assert(furi_stdglue);
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    osThreadId_t thread_id = osThreadGetId();
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    if(thread_id) {
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        furi_check(osMutexAcquire(furi_stdglue->mutex, osWaitForever) == osOK);
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        if(callback) {
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            FuriStdglueCallbackDict_set_at(
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                furi_stdglue->thread_outputs, (uint32_t)thread_id, callback);
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        } else {
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            FuriStdglueCallbackDict_erase(furi_stdglue->thread_outputs, (uint32_t)thread_id);
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        }
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        furi_check(osMutexRelease(furi_stdglue->mutex) == osOK);
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        return true;
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    } else {
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        return false;
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    }
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}
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