* STM32L definitions and code fragments for AltOS
*/
-#define AO_STACK_SIZE 1024
+#define AO_STACK_SIZE 512
#define AO_LED_TYPE uint16_t
+#ifndef AO_TICK_TYPE
+#define AO_TICK_TYPE uint16_t
+#define AO_TICK_SIGNED int16_t
+#endif
+
/* Various definitions to make GCC look more like SDCC */
#define ao_arch_naked_declare __attribute__((naked))
extern char getchar(void);
extern void ao_avr_stdio_init(void);
+
+/*
+ * ao_romconfig.c
+ */
+
+#define AO_ROMCONFIG_VERSION 2
+
+#define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
+
+extern const uint16_t ao_romconfig_version;
+extern const uint16_t ao_romconfig_check;
extern const uint16_t ao_serial_number;
+extern const uint32_t ao_radio_cal;
#define ARM_PUSH32(stack, val) (*(--(stack)) = (val))
uint32_t a = (uint32_t) start; \
int i; \
\
- /* APSR */ \
- ARM_PUSH32(sp, 0); \
- \
- /* PRIMASK with interrupts enabled */ \
- ARM_PUSH32(sp, 0); \
- \
/* Return address (goes into LR) */ \
ARM_PUSH32(sp, a); \
\
while (i--) \
ARM_PUSH32(sp, 0); \
\
+ /* APSR */ \
+ ARM_PUSH32(sp, 0); \
+ \
+ /* PRIMASK with interrupts enabled */ \
+ ARM_PUSH32(sp, 0); \
+ \
task->sp = sp; \
} while (0);
#define ao_arch_save_regs() do { \
- uint32_t apsr; \
- uint32_t primask; \
+ /* Save general registers */ \
+ asm("push {r0-r12,lr}\n"); \
\
/* Save APSR */ \
- asm("mrs %0,apsr" : "=&r" (apsr)); \
- asm("push {%0}" : : "r" (apsr)); \
+ asm("mrs r0,apsr"); \
+ asm("push {r0}"); \
\
/* Save PRIMASK */ \
- asm("mrs %0,primask" : "=&r" (primask)); \
- asm("push {%0}" : : "r" (primask)); \
+ asm("mrs r0,primask"); \
+ asm("push {r0}"); \
\
- /* Save general registers */ \
- asm("push {r0-r12,lr}\n"); \
+ /* Enable interrupts */ \
+ sei(); \
} while (0)
#define ao_arch_save_stack() do { \
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 { \
uint32_t sp; \
- uint32_t primask; \
- uint32_t apsr; \
sp = (uint32_t) ao_cur_task->sp; \
\
/* Switch stacks */ \
asm("mov sp, %0" : : "r" (sp) ); \
\
- /* Restore general registers */ \
- asm("pop {r0-r12,lr}\n"); \
- \
/* Restore PRIMASK */ \
- asm("pop {%0}" : "=&r" (primask) ); \
- asm("msr primask,%0" : : "r" (primask) ); \
+ asm("pop {r0}"); \
+ asm("msr primask,r0"); \
\
/* Restore APSR */ \
- asm("pop {%0}" : "=&r" (apsr) ); \
- asm("msr apsr,%0" : : "r" (apsr) ); \
+ asm("pop {r0}"); \
+ asm("msr apsr,r0"); \
+ \
+ /* Restore general registers */ \
+ asm("pop {r0-r12,lr}\n"); \
\
/* Return to calling function */ \
asm("bx lr"); \
#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);
void ao_lcd_font_string(char *s);
-#define USE_SERIAL_STDIN (USE_SERIAL_1_STDIN + USE_SERIAL_2_STDIN + USE_SERIAL_3_STDIN)
-
char
ao_serial1_getchar(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();