X-Git-Url: https://robinkrens.nl/gitweb/?p=cortex-from-scratch;a=blobdiff_plain;f=include%2Fsys%2Fmmap.h;h=db6cf5ce726d30cecb21cc6e56f7af98b70b1a96;hp=1c36be1c4a4baee1522640ba45fe8cfabe388706;hb=09e66bc2ce34038a3e47e1ade5413c5464a783cd;hpb=ab9b08cfd0df1ea1f596a01d45e98be854e58579

diff --git a/include/sys/mmap.h b/include/sys/mmap.h
index 1c36be1..db6cf5c 100644
--- a/include/sys/mmap.h
+++ b/include/sys/mmap.h
@@ -69,6 +69,7 @@
 #define GPIOA_CRH MEM_ADDR(0x40010804) // for USART1
 #define GPIOA_ODR MEM_ADDR(0x4001080C)
 #define GPIOB_CRL MEM_ADDR(0x40010C00) // low register (!) for I2C1
+#define GPIOB_BSRR MEM_ADDR(0x40010C10)
 #define GPIOC_CRL MEM_ADDR(0x40011000) // led
 #define GPIOC_CRH MEM_ADDR(0x40011004) 
 #define GPIOC_ODR MEM_ADDR(0x4001100C)