ADC까지, 신호 확인 필요(반사 신호 약함 or 뒤쪽을 찍고 있음)

prj.conf

@@ -6,7 +6,9 @@ CONFIG_GPIO=y
 
 # Logging via RTT
 CONFIG_LOG=y
-CONFIG_LOG_MODE_DEFERRED=y
+CONFIG_LOG_MODE_IMMEDIATE=y
+CONFIG_LOG_DEFAULT_LEVEL=3
+CONFIG_LOG_BACKEND_SHOW_COLOR=n
 CONFIG_LOG_BACKEND_RTT=y
 CONFIG_LOG_BACKEND_UART=n
 CONFIG_USE_SEGGER_RTT=y
@@ -15,11 +17,14 @@ CONFIG_CONSOLE=y
 CONFIG_RTT_CONSOLE=y
 CONFIG_SERIAL=n
 CONFIG_UART_CONSOLE=n
+CONFIG_LOG_BACKEND_RTT_MODE_BLOCK=y
+CONFIG_LOG_BACKEND_RTT_OUTPUT_BUFFER_SIZE=1024
 
 # BLE stack
 CONFIG_BT=y
+CONFIG_BT_LOG_LEVEL_WRN=y
 CONFIG_BT_PERIPHERAL=y
-CONFIG_BT_DEVICE_NAME="VB026030000"
+CONFIG_BT_DEVICE_NAME="VB0260300ZZ" # Zephyr 기본 BLE 이름
 CONFIG_BT_DEVICE_NAME_DYNAMIC=y
 CONFIG_BT_DEVICE_NAME_MAX=16
 
@@ -38,9 +43,6 @@ CONFIG_BT_PERIPHERAL_PREF_MAX_INT=24
 CONFIG_BT_PERIPHERAL_PREF_LATENCY=0
 CONFIG_BT_PERIPHERAL_PREF_TIMEOUT=400
 
-# TX power
-CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
-
 # Security (dev mode - disabled for now)
 CONFIG_BT_SMP=n
 
@@ -50,6 +52,12 @@ CONFIG_ADC=y
 # I2C (IMU: ICM42670P)
 CONFIG_I2C=y
 
+# Direct nrfx SPIM3 driver for ADC121S051
+CONFIG_NRFX_SPIM=y
+
 # System
 CONFIG_HEAP_MEM_POOL_SIZE=2048
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
+
+# BLE RX stack sizes (prevent stack overflow on BT RX WQ)
+CONFIG_BT_RX_STACK_SIZE=4096