commit 176c676ae7ae8019c3c38426ad709cd9f266a5b3
author Brian Silverman <brians> Thu Dec 19 16:28:09 2013 -0800
committer Brian Silverman <brians> Thu Dec 19 16:28:09 2013 -0800
tree dcb7d9f2280e517947a659ace35e06fc34520e26
parent 1e8ddfea8bfa37b3660a79d0d6a465b36da19dae

got the gyro code at least starting up

bbb_cape/src/cape/encoder.c

diff --git a/bbb_cape/src/cape/encoder.c b/bbb_cape/src/cape/encoder.c
index 31374db..768d3c0 100644
--- a/bbb_cape/src/cape/encoder.c
+++ b/bbb_cape/src/cape/encoder.c
@@ -44,7 +44,7 @@
 // 3.A
 void TIM1_TRG_COM_TIM11_IRQHandler(void) {
   uint32_t inputs = GPIOC->IDR;
-  TIM9->SR = TIM_SR_CC1IF;
+  TIM9->SR = ~TIM_SR_CC1IF;
   if (((inputs >> 1) ^ inputs) & (1 << 2)) {
     ++encoder3_value;
   } else {