2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 * STM32L definitions and code fragments for AltOS
28 #define AO_STACK_SIZE 512
30 #define AO_LED_TYPE uint16_t
33 #define AO_TICK_TYPE uint16_t
34 #define AO_TICK_SIGNED int16_t
37 /* Various definitions to make GCC look more like SDCC */
39 #define ao_arch_naked_declare __attribute__((naked))
40 #define ao_arch_naked_define
46 #define __interrupt(n)
49 #define ao_arch_reboot() \
50 (stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
51 (1 << STM_SCB_AIRCR_SYSRESETREQ)))
53 #define ao_arch_nop() asm("nop")
55 #define ao_arch_interrupt(n) /* nothing */
59 #define putchar(c) ao_putchar(c)
60 #define getchar ao_getchar
62 extern void putchar(char c);
63 extern char getchar(void);
64 extern void ao_avr_stdio_init(void);
71 #define AO_ROMCONFIG_VERSION 2
73 #define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
75 extern const uint16_t ao_romconfig_version;
76 extern const uint16_t ao_romconfig_check;
77 extern const uint16_t ao_serial_number;
78 extern const uint32_t ao_radio_cal;
80 #define ao_arch_task_members\
81 uint32_t *sp; /* saved stack pointer */
83 #define ao_arch_block_interrupts() asm("cpsid i")
84 #define ao_arch_release_interrupts() asm("cpsie i")
88 * For now, we're running at a weird frequency
92 #define AO_PLLSRC AO_HSE
94 #define AO_PLLSRC STM_HSI_FREQ
97 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
98 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
99 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
100 #define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
101 #define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
103 #if AO_APB1_PRESCALER == 1
104 #define AO_TIM23467_CLK AO_PCLK1
106 #define AO_TIM23467_CLK (2 * AO_PCLK1)
109 #if AO_APB2_PRESCALER == 1
110 #define AO_TIM91011_CLK AO_PCLK2
112 #define AO_TIM91011_CLK (2 * AO_PCLK2)
115 #define AO_STM_NVIC_HIGH_PRIORITY 4
116 #define AO_STM_NVIC_CLOCK_PRIORITY 6
117 #define AO_STM_NVIC_MED_PRIORITY 8
118 #define AO_STM_NVIC_LOW_PRIORITY 10
120 void ao_lcd_stm_init(void);
122 void ao_lcd_font_init(void);
124 void ao_lcd_font_string(char *s);
126 extern const uint32_t ao_radio_cal;
131 #endif /* _AO_ARCH_H_ */