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_PORT_TYPE uint16_t
35 /* Various definitions to make GCC look more like SDCC */
37 #define ao_arch_naked_declare __attribute__((naked))
38 #define ao_arch_naked_define
39 #define __interrupt(n)
42 #define ao_arch_reboot() \
43 (stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
44 (1 << STM_SCB_AIRCR_SYSRESETREQ)))
46 #define ao_arch_nop() asm("nop")
48 #define ao_arch_interrupt(n) /* nothing */
54 #define AO_ROMCONFIG_SYMBOL __attribute__((section(".romconfig"))) const
57 * For now, we're running at a weird frequency
61 #error High speed frequency undefined
65 #define AO_PLLSRC AO_HSE
67 #define AO_PLLSRC STM_HSI_FREQ
70 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
71 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
72 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
73 #define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
74 #define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
75 #define AO_SYSTICK (AO_HCLK / 8)
77 #if AO_APB1_PRESCALER == 1
78 #define AO_TIM23467_CLK AO_PCLK1
80 #define AO_TIM23467_CLK (2 * AO_PCLK1)
83 #if AO_APB2_PRESCALER == 1
84 #define AO_TIM91011_CLK AO_PCLK2
86 #define AO_TIM91011_CLK (2 * AO_PCLK2)
89 /* The stm32l implements only 4 bits of the priority fields */
91 #if AO_NONMASK_INTERRUPT
92 #define AO_STM_NVIC_NONMASK_PRIORITY 0x00
94 /* Set the basepri register to this value to mask all
95 * non-maskable priorities
97 #define AO_STM_NVIC_BASEPRI_MASK 0x10
100 #define AO_STM_NVIC_HIGH_PRIORITY 0x40
101 #define AO_STM_NVIC_MED_PRIORITY 0x80
102 #define AO_STM_NVIC_LOW_PRIORITY 0xC0
103 #define AO_STM_NVIC_CLOCK_PRIORITY 0xf0
105 void ao_lcd_stm_init(void);
107 void ao_lcd_font_init(void);
109 void ao_lcd_font_string(char *s);
111 extern const uint32_t ao_radio_cal;
116 /* ADC maximum reported value */
117 #define AO_ADC_MAX 4095
119 #define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
120 #define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
121 #define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
122 #define HAS_BOOT_LOADER 1
125 #define AO_LED_TYPE uint16_t
128 #endif /* _AO_ARCH_H_ */