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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| 
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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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| 
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| extern UART_HandleTypeDef DEBUG_UART;
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| 
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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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| 
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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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| 
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| static FuriStdglue* furi_stdglue = NULL;
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| 
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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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| 
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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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| 
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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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| 
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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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