forked from test34/can_wizard
31 lines
932 B
C
31 lines
932 B
C
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#include "xvprintf.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include "stdbool.h"
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#include "esp_log.h"
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RingbufHandle_t can_messages;
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void init_tx_ringbuf() {
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can_messages = xRingbufferCreate(1028, RINGBUF_TYPE_NOSPLIT);
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esp_log_set_vprintf(&xvprintf);
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}
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// This function will be called by the ESP log library every time ESP_LOG needs to be performed.
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// @important Do NOT use the ESP_LOG* macro's in this function ELSE recursive loop and stack overflow! So use printf() instead for debug messages.
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int xvprintf(const char *fmt, va_list args) {
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char msg_to_send[500];
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size_t str_len;
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str_len = snprintf(msg_to_send, 499, fmt, va_arg(args, int), va_arg(args, char *));
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va_end(args);
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xRingbufferSend(can_messages, msg_to_send, str_len + 1, pdMS_TO_TICKS(100));
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return str_len;
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}
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int xprintf(const char *fmt, ...) {
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va_list(args);
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va_start(args, fmt);
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return xvprintf(fmt, args);
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}
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