added commenting, removed deprecated functions

[cortex-from-scratch] / sysinfo.c

diff --git a/sysinfo.c b/sysinfo.c
index bd5d1bb..2792f14 100644 (file)
--- a/sysinfo.c
+++ b/sysinfo.c
@@ -2,7 +2,9 @@
  * 
  * $LOG$
  * 2019/7/20 - ROBIN KRENS     
- * Initial version 
+ * Initial version
+ * Display some system information, calculate
+ * the amount of SRAM available 
  * 
  * */
 
@@ -50,18 +52,12 @@ void sysinfo() {
        
        uint32_t current_stack = get_msp();
        uint32_t stack_usage = (SRAM_OFFSET + SRAM_SIZE) - current_stack;
-       uint32_t data_bss = &_endofbss - SRAM_OFFSET;
+       uint32_t data_bss = (uint32_t) &_endofbss - SRAM_OFFSET;
        uint32_t mem_free = SRAM_SIZE - stack_usage - data_bss;
 
        printf("# TOTAL MEMORY: %#x\n", SRAM_SIZE);
-//     cputs(regtohex(SRAM_SIZE));
-//     cputchar('\n');
        printf("# FREE MEMORY: %#x\n", mem_free);
-//     cputs(regtohex(mem_free));
-//     cputchar('\n');
        printf("# STACK USAGE: %#x\n", stack_usage);
-//     cputs(regtohex(stack_usage));
-//     cputchar('\n');
 
 }