Merge branch 'master' of https://github.com/robinkrens/cortex-from-scratch

[cortex-from-scratch] / main.c

diff --git a/main.c b/main.c
index c5ee202..4104960 100644 (file)
--- a/main.c
+++ b/main.c
@@ -5,7 +5,7 @@
  * Initial version 
  * 
  * $DESCRIPTION$
- * Main intialize basic components of the boards
+ * Main initialize basic components of the board
  * and jumps to a terminal
  *
  * */
@@ -17,38 +17,128 @@
 #include <sys/robsys.h> 
 #include <sys/mmap.h>
 
+#include <lib/regfunc.h>
+#include <lib/pool.h>
+#include <lib/stdio.h>
+#include <lib/string.h>
+#include <lib/tinyprintf.h>
+
 #include <drivers/uart.h>
 #include <drivers/led.h>
-#include <drivers/tm1637.h>
+//#include <drivers/tm1637.h>
+//#include <drivers/at24c.h>
+//#include <drivers/tsensor.h>
+//#include <drivers/mk450_joystick.h>
+#include <drivers/st7735s.h>
+
+mem_pool_t kheap_pool;
 
 void main()
 {
+
+       /* Initialize the clock system, */
+       clock_init();
+
+       /* Setup the interrupt vector table */
        ivt_init();
-       
+
+       /* Initialze basic input and output over serial */
        uart_init();
+
+       /* TFT screen */
+       // tft_init();
+       
+       /* Cortex M* integrated systick, can be replaced
+        * by the more accurate RTC.
        systick_init();
+       */
+       
+       /* Set up a very small libc library */
+       init_printf(NULL, putc);
 
+       /* Display some basic info at startup */
+       sysinfo();
+
+       /* On board LEDs*/
        led_init();
+
+       /* Real time clock */
+       rtc_init();
+
+       extern uint32_t * _beginofheap;
+       //printf("%p", &_beginofheap);
+       kpool_init(&kheap_pool, 0x10, 10, (uint32_t *) &_beginofheap);
+
+//     printf("%p\n", &kheap_pool);
+
+       char * string = (char *) kalloc(&kheap_pool);
+       char * string2 = (char *) kalloc(&kheap_pool);
+       char * string3 = (char *) kalloc(&kheap_pool);
+
+
+       memset(string, 0xFF, 0x10);
+       memset(string2, 0xEE, 0x10);
+       memset(string3, 0xDD, 0x10);
+
+       printf("%p\n", string);
+       printf("%p\n", string2);
+       printf("%p\n", string3);
+
+       kfree(&kheap_pool, string);
+
+       char * string6 = (char *) kalloc(&kheap_pool);
+
+
+       memset(string6, 0xCC, 0x10);
+//     char * string7 = (char *) kalloc(&kheap_pool);
+       printf("%p\n", string6);
+//     printf("%p\n", string7);
+
+
+       kfree(&kheap_pool, string2);
+
+       char * string7 = (char *) kalloc(&kheap_pool);
+       memset(string7, 0xBB, 0x10);
+
+
+       char * string8 = (char *) kalloc(&kheap_pool);
+       memset(string8, 0xAA, 0x10);
+
+       char * string9 = (char *) kalloc(&kheap_pool);
+       memset(string9, 0x99, 0x10);
+       //free(string);
+
+       kfree(&kheap_pool, string3);
+
+       //char * string2 = (char *) alloc();
        
-       sysinfo();
+       //string2 = "taalb";
+
+       /* Eeprom Driver
+       eeprom_at24c_init();
+       eeprom_test();
+       */
+       
+       /* LED Segment Driver */
+       //tm1637_init();
 
-       //extern void stub();
-       //stub();
-       //__asm__ __volatile__ ("ldc p1, cr1, r0");
-
-       while(1) {
-               int r;
-               for (int i = 0; i < 50000; i++) {
-                       r = 0;  
-               }
-               led_on();
-               for (int i = 0; i < 50000; i++) {
-                       r = 0;  
-               }
-               led_off();
-       }
-       // terminal();
+       /* ASM Blocking routine */
+       //for (int i = 0; i < 1000; i++)
+       //      _block(10000);
 
+       /* TEMP SENSOR 
+       tsensor_printid();
+       uint16_t temp = tsensor_get_temp();
+       printf("Current temperature: %d °C\n", temp); */
+
+       /* ADC Joystick module */
+       // mk450_init();        
+
+
+       /* Start up terminal */
+       terminal();
+       
+       /* Should not be here, endless loop */
        for(;;) {
 
        }