basic heap implementation

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

diff --git a/include/sys/mmap.h b/include/sys/mmap.h
index 4af5c35..4ed901d 100644 (file)
--- a/include/sys/mmap.h
+++ b/include/sys/mmap.h
@@ -26,6 +26,8 @@
 #define SRAM_SIZE      0x00010000 
 #define SRAM_OFFSET    0x20000000
 
+/* TODO #define KHEAP_SIZE     0x100 */
+
 /* Safety macro's to get the address or value */
 #define MEM_VALUE(addr) *((volatile uint32_t(*) (addr))
 #define MEM_ADDR(addr) ((volatile uint32_t *) (addr))
@@ -77,7 +79,7 @@
 #define GPIOB_BSRR MEM_ADDR(0x40010C10)
 #define GPIOB_ODR MEM_ADDR(0x40010C0C)
 #define GPIOB_IDR MEM_ADDR(0x40010C08)
-#define GPIOC_CRL MEM_ADDR(0x40011000) // led
+#define GPIOC_CRL MEM_ADDR(0x40011000) // SPI2 uses D/CX (A0) 
 #define GPIOC_CRH MEM_ADDR(0x40011004) 
 #define GPIOC_ODR MEM_ADDR(0x4001100C)