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
34 #define AO_TICK_TYPE uint16_t
35 #define AO_TICK_SIGNED int16_t
38 #define AO_PORT_TYPE uint16_t
40 /* Various definitions to make GCC look more like SDCC */
42 #define ao_arch_naked_declare __attribute__((naked))
43 #define ao_arch_naked_define
44 #define __interrupt(n)
47 #define ao_arch_reboot() \
48 (stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
49 (1 << STM_SCB_AIRCR_SYSRESETREQ)))
51 #define ao_arch_nop() asm("nop")
53 #define ao_arch_interrupt(n) /* nothing */
59 #define AO_ROMCONFIG_VERSION 2
61 #define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
63 extern const uint16_t ao_romconfig_version;
64 extern const uint16_t ao_romconfig_check;
65 extern const uint16_t ao_serial_number;
66 extern const uint32_t ao_radio_cal;
68 #define ao_arch_task_members\
69 uint32_t *sp; /* saved stack pointer */
72 * For now, we're running at a weird frequency
76 #error High speed frequency undefined
80 #define AO_PLLSRC AO_HSE
82 #define AO_PLLSRC STM_HSI_FREQ
85 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
86 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
87 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
88 #define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
89 #define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
90 #define AO_SYSTICK (AO_HCLK / 8)
92 #if AO_APB1_PRESCALER == 1
93 #define AO_TIM23467_CLK AO_PCLK1
95 #define AO_TIM23467_CLK (2 * AO_PCLK1)
98 #if AO_APB2_PRESCALER == 1
99 #define AO_TIM91011_CLK AO_PCLK2
101 #define AO_TIM91011_CLK (2 * AO_PCLK2)
104 /* The stm32l implements only 4 bits of the priority fields */
106 #if AO_NONMASK_INTERRUPT
107 #define AO_STM_NVIC_NONMASK_PRIORITY 0x00
109 /* Set the basepri register to this value to mask all
110 * non-maskable priorities
112 #define AO_STM_NVIC_BASEPRI_MASK 0x10
115 #define AO_STM_NVIC_HIGH_PRIORITY 0x40
116 #define AO_STM_NVIC_MED_PRIORITY 0x80
117 #define AO_STM_NVIC_LOW_PRIORITY 0xC0
118 #define AO_STM_NVIC_CLOCK_PRIORITY 0xf0
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 /* ADC maximum reported value */
132 #define AO_ADC_MAX 4095
134 #define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
135 #define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
136 #define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
137 #define HAS_BOOT_LOADER 1
140 #define AO_LED_TYPE uint16_t
143 #endif /* _AO_ARCH_H_ */