X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm%2Fao_arch.h;h=c95c7cd5eda860ee26ca2421c8ab9c7bbbba26ea;hp=205f95d7eb4d7c71e6e73e43721b48ce4d6128ef;hb=2f87e182d9f0b3c2856f62149371ad70b16148cf;hpb=ab6ea9043b592c25948a70b6204d613756a9a250

diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h
index 205f95d7..c95c7cd5 100644
--- a/src/stm/ao_arch.h
+++ b/src/stm/ao_arch.h
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -25,108 +26,110 @@
  * STM32L definitions and code fragments for AltOS
  */
 
-#define AO_STACK_SIZE	1024
+#ifndef AO_STACK_SIZE
+#define AO_STACK_SIZE	512
+#endif
+
+#ifndef AO_TICK_TYPE
+#define AO_TICK_TYPE	uint16_t
+#define AO_TICK_SIGNED	int16_t
+#endif
+
+#define AO_PORT_TYPE	uint16_t
 
 /* Various definitions to make GCC look more like SDCC */
 
 #define ao_arch_naked_declare	__attribute__((naked))
 #define ao_arch_naked_define
-#define __pdata
-#define __data
-#define __xdata
-#define __code const
-#define __reentrant
-#define __critical
 #define __interrupt(n)
 #define __at(n)
 
-#define ao_arch_reboot()	/* XXX */
+#define ao_arch_reboot() \
+	(stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
+			  (1 << STM_SCB_AIRCR_SYSRESETREQ)))
 
 #define ao_arch_nop()		asm("nop")
 
 #define ao_arch_interrupt(n)	/* nothing */
 
-#undef putchar
-#undef getchar
-#define putchar(c)	ao_putchar(c)
-#define getchar		ao_getchar
-
-extern void putchar(char c);
-extern char getchar(void);
-extern void ao_avr_stdio_init(void);
-
-extern const uint16_t ao_serial_number;
-
-#define ARM_PUSH32(stack, val)	(*(--(stack)) = (val))
-
-#define ao_arch_task_members\
-	uint32_t *sp;			/* saved stack pointer */
-
-#define cli()	asm("cpsid i")
-#define sei()	asm("cpsie i")
-
-#define ao_arch_init_stack(task, start) do {				\
-		uint32_t	*sp = (uint32_t *) (task->stack + AO_STACK_SIZE); \
-		uint32_t	a = (uint32_t) start; 			\
-		int		i;					\
-									\
-		/* Return address (goes into LR) */			\
-		ARM_PUSH32(sp, a);					\
-									\
-		/* Clear register values  */				\
-		i = 13;							\
-		while (i--)						\
-			ARM_PUSH32(sp, 0);				\
-									\
-		/* APSR */						\
-		ARM_PUSH32(sp, 0);					\
-		task->sp = sp;						\
-} while (0);
-	
-#define ao_arch_save_regs() do {					\
-		asm("push {r0-r12,lr}\n");				\
-		cli();							\
-		asm("mrs r0,apsr" "\n\t" "push {r0}");			\
-		sei();							\
-	} while (0)
-
-#define ao_arch_save_stack() do {					\
-		uint32_t	sp;					\
-		asm("mov %0,sp" : "=&r" (sp) );				\
-		ao_cur_task->sp = (uint32_t *) (sp);			\
-		if ((uint8_t *) ao_cur_task->sp < ao_cur_task->stack)	\
-			ao_panic (AO_PANIC_STACK);			\
-	} while (0)
-
-#define ao_arch_isr_stack()	/* nothing */
-
-#define ao_arch_cpu_idle() do {			\
-		asm("wfi");			\
-	} while (0)
-
-#define ao_arch_restore_stack() do { \
-		uint32_t	sp;					\
-		sp = (uint32_t) ao_cur_task->sp;			\
-		cli();							\
-		asm("mov sp, %0" : : "r" (sp) );			\
-		asm("pop {r0}" "\n\t" "msr apsr,r0");			\
-		asm("pop {r0-r12,lr}\n");				\
-		asm("bx lr");						\
-	} while(0)
-
-#define ao_arch_critical(b) do { cli(); do { b } while (0); sei(); } while (0)
-
-#define AO_ARM_NUM_ADC	12
-
-struct ao_adc {
-	uint16_t	tick;			/* tick when the sample was read */
-	uint16_t	adc[AO_ARM_NUM_ADC];	/* samples */
-};
+/*
+ * ao_romconfig.c
+ */
+
+#define AO_ROMCONFIG_SYMBOL __attribute__((section(".romconfig"))) const
 
 /*
  * For now, we're running at a weird frequency
  */
-#define STM_APB1	(16000000 * 6 / 4)
+
+#ifndef AO_HSE
+#error High speed frequency undefined
+#endif
+
+#if AO_HSE
+#define AO_PLLSRC	AO_HSE
+#else
+#define AO_PLLSRC	STM_HSI_FREQ
+#endif
+
+#define AO_PLLVCO	(AO_PLLSRC * AO_PLLMUL)
+#define AO_SYSCLK	(AO_PLLVCO / AO_PLLDIV)
+#define AO_HCLK		(AO_SYSCLK / AO_AHB_PRESCALER)
+#define AO_PCLK1	(AO_HCLK / AO_APB1_PRESCALER)
+#define AO_PCLK2	(AO_HCLK / AO_APB2_PRESCALER)
+#define AO_SYSTICK	(AO_HCLK / 8)
+
+#if AO_APB1_PRESCALER == 1
+#define AO_TIM23467_CLK		AO_PCLK1
+#else
+#define AO_TIM23467_CLK		(2 * AO_PCLK1)
+#endif
+
+#if AO_APB2_PRESCALER == 1
+#define AO_TIM91011_CLK		AO_PCLK2
+#else
+#define AO_TIM91011_CLK		(2 * AO_PCLK2)
+#endif
+
+/* The stm32l implements only 4 bits of the priority fields */
+
+#if AO_NONMASK_INTERRUPT
+#define AO_STM_NVIC_NONMASK_PRIORITY	0x00
+
+/* Set the basepri register to this value to mask all
+ * non-maskable priorities
+ */
+#define AO_STM_NVIC_BASEPRI_MASK	0x10
+#endif
+
+#define AO_STM_NVIC_HIGH_PRIORITY	0x40
+#define AO_STM_NVIC_MED_PRIORITY	0x80
+#define AO_STM_NVIC_LOW_PRIORITY	0xC0
+#define AO_STM_NVIC_CLOCK_PRIORITY	0xf0
+
+void ao_lcd_stm_init(void);
+
+void ao_lcd_font_init(void);
+
+void ao_lcd_font_string(char *s);
+
+extern const uint32_t	ao_radio_cal;
+
+void
+ao_adc_init(void);
+
+/* ADC maximum reported value */
+#define AO_ADC_MAX			4095
+
+#define AO_BOOT_APPLICATION_BASE	((uint32_t *) 0x08001000)
+#define AO_BOOT_APPLICATION_BOUND	((uint32_t *) (0x08000000 + stm_flash_size()))
+#define AO_BOOT_LOADER_BASE		((uint32_t *) 0x08000000)
+#define HAS_BOOT_LOADER			1
+
+#ifndef AO_LED_TYPE
+#define AO_LED_TYPE uint16_t
+#endif
 
 #endif /* _AO_ARCH_H_ */
 
+