altos: Add initial stm32l0 support

[fw/altos] / src / stm32l0 / ao_arch.h

diff --git a/src/stm32l0/ao_arch.h b/src/stm32l0/ao_arch.h
new file mode 100644 (file)
index 0000000..e51ab31
--- /dev/null
+++ b/src/stm32l0/ao_arch.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * 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; 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_ARCH_H_
+#define _AO_ARCH_H_
+
+#include <stdio.h>
+#include <stm32l0.h>
+
+/*
+ * STM32L0 definitions and code fragments for AltOS
+ */
+
+#ifndef AO_STACK_SIZE
+#define AO_STACK_SIZE  256
+#endif
+
+#define HAS_USB                0
+
+#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 __interrupt(n)
+#define __at(n)
+
+#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 */
+
+/*
+ * ao_romconfig.c
+ */
+
+#define AO_ROMCONFIG_SYMBOL __attribute__((section(".romconfig"))) const
+
+#ifndef AO_SYSCLK
+#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)
+#endif
+
+#define AO_HCLK                (AO_SYSCLK / AO_AHB_PRESCALER)
+#define AO_FCLK                AO_HCLK
+#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 HAS_BOOT_LOADER                        0
+
+#ifndef AO_LED_TYPE
+#define AO_LED_TYPE uint16_t
+#endif
+
+#endif /* _AO_ARCH_H_ */
+
+