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; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 * STM32F0 definitions and code fragments for AltOS
30 #define AO_STACK_SIZE 512
33 #define AO_LED_TYPE uint16_t
36 #define AO_TICK_TYPE uint16_t
37 #define AO_TICK_SIGNED int16_t
40 #define AO_PORT_TYPE uint16_t
42 /* Various definitions to make GCC look more like SDCC */
44 #define ao_arch_naked_declare __attribute__((naked))
45 #define ao_arch_naked_define
51 #define __interrupt(n)
54 #define ao_arch_reboot() \
55 (stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
56 (1 << STM_SCB_AIRCR_SYSRESETREQ)))
58 #define ao_arch_nop() asm("nop")
60 #define ao_arch_interrupt(n) /* nothing */
64 #define putchar(c) ao_putchar(c)
65 #define getchar ao_getchar
67 extern void putchar(char c);
68 extern char getchar(void);
69 extern void ao_avr_stdio_init(void);
76 #define AO_ROMCONFIG_VERSION 2
78 #define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
80 extern const uint16_t ao_romconfig_version;
81 extern const uint16_t ao_romconfig_check;
82 extern const uint16_t ao_serial_number;
83 extern const uint32_t ao_radio_cal;
85 #define ao_arch_task_members\
86 uint32_t *sp; /* saved stack pointer */
88 #define ao_arch_block_interrupts() asm("cpsid i")
89 #define ao_arch_release_interrupts() asm("cpsie i")
94 * For the stm32f042, we want to use the USB-based HSI48 clock
99 #define AO_SYSCLK STM_HSI_FREQ
103 #define AO_SYSCLK 48000000
107 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
112 #define AO_PLLSRC AO_HSE
114 #define AO_PLLSRC STM_HSI_FREQ
117 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
118 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
122 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
123 #define AO_PCLK (AO_HCLK / AO_APB_PRESCALER)
124 #define AO_SYSTICK (AO_HCLK)
125 #define AO_PANIC_DELAY_SCALE (AO_SYSCLK / 12000000)
127 #if AO_APB_PRESCALER == 1
128 #define AO_TIM_CLK AO_PCLK
130 #define AO_TIM_CLK (2 * AO_PCLK)
133 #define AO_STM_NVIC_HIGH_PRIORITY (0 << 6)
134 #define AO_STM_NVIC_CLOCK_PRIORITY (1 << 6)
135 #define AO_STM_NVIC_MED_PRIORITY (2 << 6)
136 #define AO_STM_NVIC_LOW_PRIORITY (3 << 6)
138 void ao_lcd_stm_init(void);
140 void ao_lcd_font_init(void);
142 void ao_lcd_font_string(char *s);
144 extern const uint32_t ao_radio_cal;
149 /* ADC maximum reported value */
150 #define AO_ADC_MAX 4095
152 #ifndef HAS_BOOT_LOADER
153 #define HAS_BOOT_LOADER 1
157 #define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
158 #ifndef AO_BOOT_APPLICATION_BOUND
159 #define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
161 #define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
164 #endif /* _AO_ARCH_H_ */