basic led gpio driver

[cortex-from-scratch] / sysinfo.c

diff --git a/sysinfo.c b/sysinfo.c
index e9b2429..ba639a6 100644 (file)
--- a/sysinfo.c
+++ b/sysinfo.c
@@ -1,3 +1,11 @@
+/* (CC-BY-NC-SA) ROBIN KRENS - ROBIN @ ROBINKRENS.NL
+ * 
+ * $LOG$
+ * 2019/7/20 - ROBIN KRENS     
+ * Initial version 
+ * 
+ * */
+
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -8,8 +16,6 @@
 #include <lib/stdio.h>
 #include <lib/regfunc.h>
 
-#define MEM_SIZE       0x00010000 
-#define MEM_OFFSET     0x20000000
 
 uint32_t get_msp(void);
 
@@ -44,12 +50,12 @@ void sysinfo() {
        extern char _endofbss;
        
        uint32_t current_stack = get_msp();
-       uint32_t stack_usage = (MEM_OFFSET + MEM_SIZE) - current_stack;
-       uint32_t data_bss = &_endofbss - MEM_OFFSET;
-       uint32_t mem_free = MEM_SIZE - stack_usage - data_bss;
+       uint32_t stack_usage = (SRAM_OFFSET + SRAM_SIZE) - current_stack;
+       uint32_t data_bss = &_endofbss - SRAM_OFFSET;
+       uint32_t mem_free = SRAM_SIZE - stack_usage - data_bss;
 
        cputs("# TOTAL MEMORY: ");
-       cputs(regtohex(MEM_SIZE));
+       cputs(regtohex(SRAM_SIZE));
        cputchar('\n');
        cputs("# FREE MEMORY: ");
        cputs(regtohex(mem_free));