basic heap implementation

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

diff --git a/include/sys/mmap.h b/include/sys/mmap.h
index 4275bc7..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))
@@ -73,10 +75,11 @@
 #define GPIOA_CRL MEM_ADDR(0x40010800) // for ADC1
 #define GPIOA_ODR MEM_ADDR(0x4001080C)
 #define GPIOB_CRL MEM_ADDR(0x40010C00) // low register (!) for I2C1
+#define GPIOB_CRH MEM_ADDR(0x40010C04) // high register for SPI2
 #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)
 
@@ -85,7 +88,7 @@
 
 #define AFIO_EVCR MEM_ADDR(0x40010000)
 
-/* I2C REGISTER */
+/* I2C REGISTERS */
 #define I2C_CR1 MEM_ADDR(0x40005400)
 #define I2C_CR2 MEM_ADDR(0x40005404)
 #define I2C_DR MEM_ADDR(0x40005410)
@@ -94,6 +97,14 @@
 #define I2C_CCR MEM_ADDR(0x4000541C)
 #define I2C_TRISE MEM_ADDR(0x40005420)
 
+/* SPI2 REGISTERS */
+#define SPI2_CR1 MEM_ADDR(0x40003800)
+#define SPI2_CR2 MEM_ADDR(0x40003804)
+#define SPI2_SR MEM_ADDR(0x40003808)
+#define SPI2_DR MEM_ADDR(0x4000380C)
+#define SPI2_CFGR MEM_ADDR(0x4000381C)
+#define SPI2_PR MEM_ADDR(0x40003820)
+
 /* EXTERNAL INTERRUPTS */
 #define EXTI_IMR MEM_ADDR(0x40010400)
 #define EXTI_RTSR MEM_ADDR(0x40010408)