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 * STM32L 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 */
89 * For now, we're running at a weird frequency
93 #error High speed frequency undefined
97 #define AO_PLLSRC AO_HSE
99 #define AO_PLLSRC STM_HSI_FREQ
102 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
103 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
104 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
105 #define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
106 #define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
107 #define AO_SYSTICK (AO_HCLK / 8)
109 #if AO_APB1_PRESCALER == 1
110 #define AO_TIM23467_CLK AO_PCLK1
112 #define AO_TIM23467_CLK (2 * AO_PCLK1)
115 #if AO_APB2_PRESCALER == 1
116 #define AO_TIM91011_CLK AO_PCLK2
118 #define AO_TIM91011_CLK (2 * AO_PCLK2)
121 /* The stm32l implements only 4 bits of the priority fields */
123 #if AO_NONMASK_INTERRUPT
124 #define AO_STM_NVIC_NONMASK_PRIORITY 0x00
126 /* Set the basepri register to this value to mask all
127 * non-maskable priorities
129 #define AO_STM_NVIC_BASEPRI_MASK 0x10
132 #define AO_STM_NVIC_HIGH_PRIORITY 0x40
133 #define AO_STM_NVIC_MED_PRIORITY 0x80
134 #define AO_STM_NVIC_LOW_PRIORITY 0xC0
135 #define AO_STM_NVIC_CLOCK_PRIORITY 0xf0
137 void ao_lcd_stm_init(void);
139 void ao_lcd_font_init(void);
141 void ao_lcd_font_string(char *s);
143 extern const uint32_t ao_radio_cal;
148 /* ADC maximum reported value */
149 #define AO_ADC_MAX 4095
151 #define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
152 #define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
153 #define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
154 #define HAS_BOOT_LOADER 1
156 #endif /* _AO_ARCH_H_ */