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 * STM32F0 definitions and code fragments for AltOS
29 #define AO_STACK_SIZE 512
32 #define AO_LED_TYPE uint16_t
35 #define AO_TICK_TYPE uint16_t
36 #define AO_TICK_SIGNED int16_t
39 #define AO_PORT_TYPE uint16_t
41 /* Various definitions to make GCC look more like SDCC */
43 #define ao_arch_naked_declare __attribute__((naked))
44 #define ao_arch_naked_define
50 #define __interrupt(n)
53 #define ao_arch_reboot() \
54 (stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
55 (1 << STM_SCB_AIRCR_SYSRESETREQ)))
57 #define ao_arch_nop() asm("nop")
59 #define ao_arch_interrupt(n) /* nothing */
63 #define putchar(c) ao_putchar(c)
64 #define getchar ao_getchar
66 extern void putchar(char c);
67 extern char getchar(void);
68 extern void ao_avr_stdio_init(void);
75 #define AO_ROMCONFIG_VERSION 2
77 #define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
79 extern const uint16_t ao_romconfig_version;
80 extern const uint16_t ao_romconfig_check;
81 extern const uint16_t ao_serial_number;
82 extern const uint32_t ao_radio_cal;
84 #define ao_arch_task_members\
85 uint32_t *sp; /* saved stack pointer */
87 #define ao_arch_block_interrupts() asm("cpsid i")
88 #define ao_arch_release_interrupts() asm("cpsie i")
93 * For the stm32f042, we want to use the USB-based HSI48 clock
98 #define AO_SYSCLK 48000000
99 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
106 #define AO_PLLSRC AO_HSE
108 #define AO_PLLSRC STM_HSI_FREQ
111 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
112 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
116 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
117 #define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
118 #define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
119 #define AO_SYSTICK (AO_HCLK)
120 #define AO_PANIC_DELAY_SCALE (AO_SYSCLK / 12000000)
122 #if AO_APB1_PRESCALER == 1
123 #define AO_TIM23467_CLK AO_PCLK1
125 #define AO_TIM23467_CLK (2 * AO_PCLK1)
128 #if AO_APB2_PRESCALER == 1
129 #define AO_TIM91011_CLK AO_PCLK2
131 #define AO_TIM91011_CLK (2 * AO_PCLK2)
134 #define AO_STM_NVIC_HIGH_PRIORITY (0 << 6)
135 #define AO_STM_NVIC_CLOCK_PRIORITY (1 << 6)
136 #define AO_STM_NVIC_MED_PRIORITY (2 << 6)
137 #define AO_STM_NVIC_LOW_PRIORITY (3 << 6)
139 void ao_lcd_stm_init(void);
141 void ao_lcd_font_init(void);
143 void ao_lcd_font_string(char *s);
145 extern const uint32_t ao_radio_cal;
150 /* ADC maximum reported value */
151 #define AO_ADC_MAX 4095
153 #define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
154 #define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
155 #define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
156 #define HAS_BOOT_LOADER 1
158 #endif /* _AO_ARCH_H_ */