altos: Optimize FEC encode and decode

[fw/altos] / src / stm / ao_arch.h

diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h
index bbd1b3b1f33e50a90bed62d4178fd689789f77d6..30cd9ea5717c02f635486e73f91847b347c43ba0 100644 (file)
--- a/src/stm/ao_arch.h
+++ b/src/stm/ao_arch.h
@@ -25,7 +25,7 @@
  * STM32L definitions and code fragments for AltOS
  */
 
-#define AO_STACK_SIZE  1024
+#define AO_STACK_SIZE  512
 
 #define AO_LED_TYPE    uint16_t
 
@@ -111,14 +111,22 @@ extern const uint16_t ao_serial_number;
                uint32_t        *sp;                                    \
                asm("mov %0,sp" : "=&r" (sp) );                         \
                ao_cur_task->sp = (sp);                                 \
-               if ((uint8_t *) sp < ao_cur_task->stack)                \
+               if ((uint8_t *) sp < &ao_cur_task->stack[0])            \
                        ao_panic (AO_PANIC_STACK);                      \
        } while (0)
 
-#define ao_arch_isr_stack()    /* nothing */
+#if 0
+#define ao_arch_isr_stack() do {                               \
+               uint32_t        *sp = (uint32_t *) 0x20004000;  \
+               asm("mov %0,sp" : "=&r" (sp) );                 \
+       } while (0)
+#else
+#define ao_arch_isr_stack()
+#endif
+
 
 #define ao_arch_cpu_idle() do {                        \
-               asm("wfi");                     \
+               asm("wfi");             \
        } while (0)
 
 #define ao_arch_restore_stack() do { \
@@ -173,6 +181,11 @@ extern const uint16_t ao_serial_number;
 #define AO_TIM91011_CLK                (2 * AO_PCLK2)
 #endif
 
+#define AO_STM_NVIC_HIGH_PRIORITY      4
+#define AO_STM_NVIC_CLOCK_PRIORITY     6
+#define AO_STM_NVIC_MED_PRIORITY       8
+#define AO_STM_NVIC_LOW_PRIORITY       10
+
 void ao_lcd_stm_init(void);
 
 void ao_lcd_font_init(void);
@@ -215,7 +228,7 @@ ao_serial3_pollchar(void);
 void
 ao_serial3_set_speed(uint8_t speed);
 
-extern uint32_t        ao_radio_cal;
+extern const uint32_t  ao_radio_cal;
 
 void
 ao_adc_init();