From 28be506ce33c1230ad6a0af0dbc43a56e32c2391 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Fri, 29 Sep 2017 21:24:06 +0800
Subject: [PATCH] uncomment I2C debug so it can be used

---
 cores/esp32/esp32-hal-i2c.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/cores/esp32/esp32-hal-i2c.c b/cores/esp32/esp32-hal-i2c.c
index 1bba266f..355e7b2f 100644
--- a/cores/esp32/esp32-hal-i2c.c
+++ b/cores/esp32/esp32-hal-i2c.c
@@ -157,7 +157,7 @@ i2c_err_t i2cWrite(i2c_t * i2c, uint16_t address, bool addr_10bit, uint8_t * dat
 
     if (i2c->dev->status_reg.bus_busy == 1)
     {
-	//log_w( "Busy Timeout! Addr: %x", address >> 1 );
+        log_e( "Busy Timeout! Addr: %x", address >> 1 );
         I2C_MUTEX_UNLOCK();
         return I2C_ERROR_BUSY;
     }
@@ -207,28 +207,28 @@ i2c_err_t i2cWrite(i2c_t * i2c, uint16_t address, bool addr_10bit, uint8_t * dat
         while(1) {
             //have been looping for too long
             if((millis() - startAt)>50){
-                //log_e("Timeout! Addr: %x", address >> 1);
+                log_e("Timeout! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_BUS;
             }
 
             //Bus failed (maybe check for this while waiting?
             if(i2c->dev->int_raw.arbitration_lost) {
-                //log_e("Bus Fail! Addr: %x", address >> 1);
+                log_e("Bus Fail! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_BUS;
             }
 
             //Bus timeout
             if(i2c->dev->int_raw.time_out) {
-                //log_e("Bus Timeout! Addr: %x", address >> 1);
+                log_e("Bus Timeout! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_TIMEOUT;
             }
 
             //Transmission did not finish and ACK_ERR is set
             if(i2c->dev->int_raw.ack_err) {
-                //log_w("Ack Error! Addr: %x", address >> 1);
+                log_w("Ack Error! Addr: %x", address >> 1);
                 while((i2c->dev->status_reg.bus_busy) && ((millis() - startAt)>50));
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_ACK;
@@ -260,7 +260,7 @@ i2c_err_t i2cRead(i2c_t * i2c, uint16_t address, bool addr_10bit, uint8_t * data
 
     if (i2c->dev->status_reg.bus_busy == 1)
     {
-	//log_w( "Busy Timeout! Addr: %x", address >> 1 );
+        log_w( "Busy Timeout! Addr: %x", address >> 1 );
         I2C_MUTEX_UNLOCK();
         return I2C_ERROR_BUSY;
     }
@@ -310,28 +310,28 @@ i2c_err_t i2cRead(i2c_t * i2c, uint16_t address, bool addr_10bit, uint8_t * data
         while(1) {
             //have been looping for too long
             if((millis() - startAt)>50){
-                //log_e("Timeout! Addr: %x", address >> 1);
+                log_e("Timeout! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_BUS;
             }
 
             //Bus failed (maybe check for this while waiting?
             if(i2c->dev->int_raw.arbitration_lost) {
-                //log_e("Bus Fail! Addr: %x", address >> 1);
+                log_e("Bus Fail! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_BUS;
             }
 
             //Bus timeout
             if(i2c->dev->int_raw.time_out) {
-                //log_e("Bus Timeout! Addr: %x", address >> 1);
+                log_e("Bus Timeout! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_TIMEOUT;
             }
 
             //Transmission did not finish and ACK_ERR is set
             if(i2c->dev->int_raw.ack_err) {
-                //log_w("Ack Error! Addr: %x", address >> 1);
+                log_w("Ack Error! Addr: %x", address >> 1);
                 I2C_MUTEX_UNLOCK();
                 return I2C_ERROR_ACK;
             }
@@ -462,7 +462,7 @@ void i2cInitFix(i2c_t * i2c){
     i2cSetCmd(i2c, 2, I2C_CMD_STOP, 0, false, false, false);
     if (i2c->dev->status_reg.bus_busy) // If this condition is true, the while loop will timeout as done will not be set
     {
-        //log_e("Busy at initialization!");
+        log_e("Busy at initialization!");
     }
     i2c->dev->ctr.trans_start = 1;
     uint16_t count = 50000;