From ff9d0d4fd476bc3ba00e6506d115f1195b9db037 Mon Sep 17 00:00:00 2001
From: Tester23 <85486843+openshwprojects@users.noreply.github.com>
Date: Sat, 13 Sep 2025 22:49:15 +0200
Subject: [PATCH] test 2x

---
 src/driver/drv_dmx512.c | 38 ++++++++++++++++++++------------------
 1 file changed, 20 insertions(+), 18 deletions(-)

diff --git a/src/driver/drv_dmx512.c b/src/driver/drv_dmx512.c
index 6db2ef3c3..de5b1f989 100644
--- a/src/driver/drv_dmx512.c
+++ b/src/driver/drv_dmx512.c
@@ -49,30 +49,32 @@ void DMX_Show() {
 	if (g_dmxBuffer == 0) {
 		return;
 	}
+	for (int i = 0; i < 2; i++) {
 #if WINDOWS
-	// BREAK: pull TX low manually
-	HAL_PIN_Setup_Output(dmx_pin);
-	HAL_PIN_SetOutputValue(dmx_pin, 0);
-	HAL_Delay_us(120); // ≥88µs
-	HAL_PIN_SetOutputValue(dmx_pin, 1);
-	HAL_Delay_us(12); // MAB ≥8µs
+		// BREAK: pull TX low manually
+		HAL_PIN_Setup_Output(dmx_pin);
+		HAL_PIN_SetOutputValue(dmx_pin, 0);
+		HAL_Delay_us(120); // ≥88µs
+		HAL_PIN_SetOutputValue(dmx_pin, 1);
+		HAL_Delay_us(12); // MAB ≥8µs
 #else
 #define DMX_BREAK_DURATION_MICROS 88
-	uint32_t breakBaud = 1000000 * 8 / DMX_BREAK_DURATION_MICROS;
-	HAL_SetBaud(breakBaud);
-	HAL_UART_SendByte(0);
-	HAL_UART_Flush();
-	HAL_SetBaud(250000);
+		uint32_t breakBaud = 1000000 * 8 / DMX_BREAK_DURATION_MICROS;
+		HAL_SetBaud(breakBaud);
+		HAL_UART_SendByte(0);
+		HAL_UART_Flush();
+		HAL_SetBaud(250000);
 #endif
 
-	//HAL_UART_Init(250000, 2, false);
-	// restore UART and send DMX data
-	for (int i = 0; i < DMX_BUFFER_SIZE; i++) {
-		HAL_UART_SendByte(g_dmxBuffer[i]);
+		//HAL_UART_Init(250000, 2, false);
+		// restore UART and send DMX data
+		for (int i = 0; i < DMX_BUFFER_SIZE; i++) {
+			HAL_UART_SendByte(g_dmxBuffer[i]);
+		}
+		//Serial485.begin(250000, SERIAL_8N2, RS485_RX_PIN, RS485_TX_PIN);
+		////Serial485.write(dmxBuffer, sizeof(dmxBuffer));
+		//Serial485.flush();
 	}
-	//Serial485.begin(250000, SERIAL_8N2, RS485_RX_PIN, RS485_TX_PIN);
-	////Serial485.write(dmxBuffer, sizeof(dmxBuffer));
-	//Serial485.flush();
 }
 
 byte DMX_GetByte(uint32_t idx) {