diff --git a/src/main.c b/src/main.c
index 1180120..3e4450e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -41,8 +41,6 @@ int main(void) {
     while (1) {
 
         // delay_ms(10);
-        ldc1612_drvie_current_detect(CHANNEL_0);
-        delay_ms(999);
         fwdgt_counter_reload();
     }
 }
diff --git a/src/rs485.c b/src/rs485.c
index cb059a5..05bb0f0 100644
--- a/src/rs485.c
+++ b/src/rs485.c
@@ -8,7 +8,7 @@ uint8_t package_header[3] = {0xB5, 0xF0, 0x04};
 uint8_t package_data[4] = {0};
 
 void rs485_config(void) {
-#ifdef RS485_MAX13487
+#ifndef RS485_MAX13487
     rcu_periph_clock_enable(RS485_GPIO_RCU);
     rcu_periph_clock_enable(RS485_RCU);