From a3045252abbb25a92377b48cfd3a835d42ced5cf Mon Sep 17 00:00:00 2001
From: George Hotz <george@comma.ai>
Date: Mon, 17 Apr 2017 15:28:28 -0700
Subject: [PATCH] remove some dead code, move comment

---
 README.md            |  5 +++++
 board/honda_safety.h | 13 +++++++++++++
 board/main.c         | 23 +----------------------
 3 files changed, 19 insertions(+), 22 deletions(-)

diff --git a/README.md b/README.md
index fcf3843..08e9f05 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,11 @@ cd boardesp
 make
 ```
 
+Debugging
+------
+
+To print out the serial console from the STM32, run tests/debug_console.py
+
 Hardware
 ------
 Check out the hardware [guide](https://github.com/commaai/panda/blob/master/docs/guide.pdf)
diff --git a/board/honda_safety.h b/board/honda_safety.h
index 1a29ba7..db20f0e 100644
--- a/board/honda_safety.h
+++ b/board/honda_safety.h
@@ -1,3 +1,16 @@
+// board enforces
+//   in-state
+//      accel set/resume
+//   out-state
+//      cancel button
+
+
+// all commands: brake and steering
+// if controls_allowed
+//     allow all commands up to limit
+// else
+//     block all commands that produce actuation
+
 void safety_rx_hook(CAN_FIFOMailBox_TypeDef *to_push) {
   // state machine to enter and exit controls
   // 0x1A6 for the ILX, 0x296 for the Civic Touring
diff --git a/board/main.c b/board/main.c
index 7c092dc..8901501 100644
--- a/board/main.c
+++ b/board/main.c
@@ -305,19 +305,6 @@ void CAN3_TX_IRQHandler() {
 }
 #endif
 
-// board enforces
-//   in-state
-//      accel set/resume
-//   out-state
-//      cancel button
-
-
-// all commands: brake and steering
-// if controls_allowed
-//     allow all commands up to limit
-// else
-//     block all commands that produce actuation
-
 // CAN receive handlers
 // blink blue when we are receiving CAN messages
 void can_rx(CAN_TypeDef *CAN, int can_number) {
@@ -819,8 +806,7 @@ int main() {
     set_led(LED_RED, 1);
     delay(2000000);
 
-    // ESP io proxy
-    //set_led(LED_BLUE, !(GPIOB->IDR&1));
+    // turn off the blue LED, turned on by CAN
     set_led(LED_BLUE, 0);
 
     #ifdef ENABLE_SPI
@@ -849,13 +835,6 @@ int main() {
       // turn off fan
       set_fan_speed(0);
     }
-
-    // if we've been on for a bit and we didn't connect on USB, power up the ESP
-    // TODO: make better logic for this
-    /*if (cnt > 5 && !did_usb_enumerate) {
-      // enable the ESP, disable ESP boot mode
-      GPIOC->ODR = (1 << 14) | (1 << 5);
-    }*/
   }
 
   return 0;