Implement transparent printf support
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0727e1560a
commit
d39d2265e3
@ -1,3 +1,5 @@
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#define _GNU_SOURCE
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#include <stdio.h>
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#include "furi.h"
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#include "main.h"
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@ -7,14 +9,43 @@ void handle_uart_write(const void* data, size_t size, void* ctx) {
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HAL_UART_Transmit(&DEBUG_UART, (uint8_t*)data, (uint16_t)size, HAL_MAX_DELAY);
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}
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static ssize_t stdout_write(void *_cookie, const char *buf, size_t n) {
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FuriRecordSubscriber *log = pvTaskGetThreadLocalStoragePointer(NULL, 0);
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if (log == NULL) {
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log = furi_open("tty", false, false, NULL, NULL, NULL);
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vTaskSetThreadLocalStoragePointer(NULL, 0, log);
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}
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if (buf == 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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furi_write(log, buf, n);
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return n;
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}
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bool register_tty_uart() {
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if(!furi_create("tty", NULL, 0)) {
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return false;
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}
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if(furi_open("tty", false, false, handle_uart_write, NULL, NULL) == NULL) {
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return false;
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}
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FILE* fp = fopencookie(NULL, "w+", (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, _IONBF, 0);
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stdout = fp;
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return true;
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}
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}
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@ -68,6 +68,7 @@
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#define configQUEUE_REGISTRY_SIZE 8
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
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#define configUSE_COUNTING_SEMAPHORES 1
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#define configNUM_THREAD_LOCAL_STORAGE_POINTERS 1
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/* Co-routine definitions. */
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#define configUSE_CO_ROUTINES 0
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@ -68,6 +68,7 @@
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#define configQUEUE_REGISTRY_SIZE 8
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
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#define configUSE_COUNTING_SEMAPHORES 1
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#define configNUM_THREAD_LOCAL_STORAGE_POINTERS 1
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/* Co-routine definitions. */
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#define configUSE_CO_ROUTINES 0
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