basic uart functionality (not tested)

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

diff --git a/include/mmap.h b/include/mmap.h
index ad45038..604579b 100644 (file)
--- a/include/mmap.h
+++ b/include/mmap.h
@@ -4,34 +4,36 @@
  * a STM32F013RC6. Addresses of peripherals vary amongst 
  * manufacturers of boards with similar chips
  * 
- * Peace！
  * */
 
-/* VECTOR TABLE */
-#define NVIC_VECTTBL ((volatile unsigned long *)( 0xE000ED08))
-#define NVIC_EN0 ((volatile unsigned long *)( 0xE000E100))
-#define NVIC_EN1 ((volatile unsigned long *)( 0xE000E104))
+/* RANDOM DEBUG LOCATION */
+#define RANDOM_ADDR ((volatile uint32_t *)(0x21000000))
+
+/* SYSTEM CONTROL BLOCK REGISTER */
+#define SCB_VTOR ((volatile uint32_t *)( 0xE000ED08)) // VECTOR TABLE
+
+/* NESTED VECTOR INTERRUPT CONTROL REGISTER */
+#define NVIC_ISER0 ((volatile uint32_t*)( 0xE000E100)) // interrupt set enable register
+
+/* SYSTICK REGISTER */
+#define STK_CTRL ((volatile uint32_t *)(0xE000E010))
+#define STK_RELOAD ((volatile uint32_t *)(0xE000E014))
+
+
+/* SYSTEM CONTROL REGISTER */
+#define SYSCTRL_RCC ((volatile unsigned long *)(0x40021000))
+#define RCC_APB2ENR ((volatile unsigned long *)(0x40021018)) // register to enable USART1
 
-/* SYSTEM CONTROL REGISTERS */
-#define SYSCTRL_RCC ((volatile unsigned long *)(0x400FE060))
 #define SYSCTRL_RIS ((volatile unsigned long *)(0x400FE050))
 #define SYSCTRL_RCGC1 ((volatile unsigned long *)(0x400FE104))
 #define SYSCTRL_RCGC2 ((volatile unsigned long *)(0x400FE108))
 #define GPIOPA_AFSEL ((volatile unsigned long *)(0x40004420))
 
-/* USART REGISTERS */
-#define UART0_DATA ((volatile unsigned long *)(0x4000C000))
-#define UART0_FLAG ((volatile unsigned long *)(0x4000C018))
-#define UART0_IBRD ((volatile unsigned long *)(0x4000C024))
-#define UART0_FBRD ((volatile unsigned long *)(0x4000C028))
-#define UART0_LCRH ((volatile unsigned long *)(0x4000C02C))
-#define UART0_CTRL ((volatile unsigned long *)(0x4000C030))
-#define UART0_RIS ((volatile unsigned long *)(0x4000C03C))
-
-#define UART1_DATA ((volatile unsigned long *)(0x4000D000))
-#define UART1_FLAG ((volatile unsigned long *)(0x4000D018))
-#define UART1_IBRD ((volatile unsigned long *)(0x4000D024))
-#define UART1_FBRD ((volatile unsigned long *)(0x4000D028))
-#define UART1_LCRH ((volatile unsigned long *)(0x4000D02C))
-#define UART1_CTRL ((volatile unsigned long *)(0x4000D030))
-#define UART1_RIS ((volatile unsigned long *)(0x4000D03C))
+#define GPIOA_CRH ((volatile unsigned long *)(0x40010804))
+#define AFIO_EVCR ((volatile unsigned long *)(0x40010000))
+
+#define USART1_SR ((volatile unsigned long *)(0x40013800))
+#define USART1_DR ((volatile unsigned long *)(0x40013804))
+#define USART1_BRR ((volatile unsigned long *)(0x40013808))
+#define USART1_CR1 ((volatile unsigned long *)(0x4001380C))
+#define USART1_CR3 ((volatile unsigned long *)(0x40013814))