Merge branch 'tm1637'

[cortex-from-scratch] / include / sys / mmap.h

diff --git a/include/sys/mmap.h b/include/sys/mmap.h
index 1c36be1..9aae914 100644 (file)
--- a/include/sys/mmap.h
+++ b/include/sys/mmap.h
@@ -59,6 +59,7 @@
 /* SYSTEM CONTROL REGISTER */
 #define SYSCTRL_RCC MEM_ADDR(0x40021000)
 #define RCC_APB1ENR MEM_ADDR(0x4002101C) // register to enable I2C
+#define RCC_APB1RSTR MEM_ADDR(0x40021010) // register to reset I2C
 #define RCC_APB2ENR MEM_ADDR(0x40021018) // register to enable USART1
 
 #define SYSCTRL_RIS MEM_ADDR(0x400FE050)
@@ -69,6 +70,7 @@
 #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)