From 8dcfcaec72ea9c0c51daf0bb17ac2140d98bbead Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Thu, 11 Dec 2014 12:31:42 -0600 Subject: [PATCH] Tiva I2C: Fix how I2C transactions are started and some I2C error reporting --- configs/tm4c123g-launchpad/README.txt | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/configs/tm4c123g-launchpad/README.txt b/configs/tm4c123g-launchpad/README.txt index 4de5835741..8e8a8cd673 100644 --- a/configs/tm4c123g-launchpad/README.txt +++ b/configs/tm4c123g-launchpad/README.txt @@ -40,7 +40,7 @@ PIN SIGNAL(S) LanchPad Function 45 PB0/T2CCP0/U1Rx GPIO, J1 pin 3 46 PB1/T2CCP1/U1Tx GPIO, J1 pin 4 - 47 PB2/I2C0SCL/T3CCP0 GPIO, J2, pin 3 + 47 PB2/I2C0SCL/T3CCP0 GPIO, J2 pin 2 48 PB3/I2C0SDA/T3CCP1 GPIO, J4 pin 3 58 PB4/AIN10/CAN0Rx/SSI2CLK/T1CCP0 GPIO, J1 pin 7 57 PB5/AIN11/CAN0Tx/SSI2FSS/T1CCP1 GPIO, J1 pin 2 @@ -94,10 +94,12 @@ AT24 Serial EEPROM The Serial EEPROM was mounted on an external adaptor board and connected to the LaunchPad thusly: - - VCC -- VCC - - GND -- GND - - PB2 -- SCL - - PB3 -- SDA + - VCC J1 pin 1 3.3V + J3 pin 1 5.0V + - GND J2 pin 1 GND + J3 pin 2 GND + - PB2 J2 pin 2 SCL + - PB3 J4 pin 3 SDA Configuration Settings ----------------------