From 7e4a1ea7fe878fa546155e7a25d68e47a46f114c Mon Sep 17 00:00:00 2001
From: Pimpest <82343504+pimpest@users.noreply.github.com>
Date: Thu, 5 Mar 2026 14:11:31 +0100
Subject: [PATCH] Fixed 0a getting converted to 0d 0a

---
 firmware/base/src/msgs.h               | 16 ++++++++++++----
 firmware/base/tusb/tusb_stdio_driver.c |  2 +-
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/firmware/base/src/msgs.h b/firmware/base/src/msgs.h
index 36624c2..fa71ac1 100644
--- a/firmware/base/src/msgs.h
+++ b/firmware/base/src/msgs.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <pico/stdio.h>
 #include "crc.h"
 #include "stdio.h"
 
@@ -58,15 +59,22 @@ enum {
     TSTATE_BUILD_MSG,
 };
 
-inline void send_tRespState(tRespState *resp) {
+static inline void write_raw(void* data, size_t n) {
+    const uint8_t* a = data;
+    for(size_t i = 0; i < n; i++){
+        putchar_raw(a[i]);
+    }
+}
+
+static inline void send_tRespState(tRespState *resp) {
     resp->crc = crcFooter(*resp);
-    fwrite(resp, 1, sizeof(tRespState), stdout);
+    write_raw(resp, sizeof(tRespState));
     fflush(stdout);
 }
 
-inline void send_tRespEndCalib(tRespEndCalib *state) {
+static inline void send_tRespEndCalib(tRespEndCalib *state) {
     state->crc = crcFooter(*state);
-    fwrite(state, 1, sizeof(tRespEndCalib), stdout);
+    write_raw(state, sizeof(tRespEndCalib));
     fflush(stdout);
 }
 
diff --git a/firmware/base/tusb/tusb_stdio_driver.c b/firmware/base/tusb/tusb_stdio_driver.c
index 58c51f4..726b882 100644
--- a/firmware/base/tusb/tusb_stdio_driver.c
+++ b/firmware/base/tusb/tusb_stdio_driver.c
@@ -51,7 +51,7 @@ static void stdio_dual_usb_out_chars(const char *buf, int length) {
         tud_task();
         tud_cdc_n_write_flush(itf);
         if (!stdio_dual_usb_connected() ||
-            (!tud_cdc_write_available() &&
+            (!tud_cdc_n_write_available(itf) &&
              time_us_64() >
                  last_avail_time[itf] + STDIO_DUAL_USB_STDOUT_TIMEOUT_US)) {
           break;