2 * Copyright © 2018 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.
22 #define AO_STACK_SIZE 2048
25 #ifndef HAS_TASK_QUEUE
26 #define HAS_TASK_QUEUE 1
29 #define AO_STACK_ALIGNMENT __attribute__ ((aligned(8)))
31 #define AO_PORT_TYPE uint16_t
33 #define ao_arch_reboot() \
34 (stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
35 (1 << STM_SCB_AIRCR_SYSRESETREQ)))
37 #define ao_arch_nop() asm("nop")
39 #define AO_ROMCONFIG_SYMBOL __attribute__((section(".romconfig"))) const
41 #define ao_arch_naked_declare __attribute__((naked))
42 #define ao_arch_naked_define
47 * We'll generally use the HSE clock through the PLL
50 #define AO_STM_NVIC_CLOCK_PRIORITY 0xf0 /* low priority for clock */
53 #define AO_PLLSRC AO_HSE
57 #define AO_PLLSRC STM_HSI_FREQ
61 #define AO_PLLIN (AO_PLLSRC / AO_PLL_M)
66 #define AO_PLL1_VCO (AO_PLLIN * AO_PLL1_N)
67 #define AO_PLL1_CLK_P (AO_PLL1_VCO / AO_PLL1_P)
68 #define AO_SYSCLK (AO_PLL1_CLK_P)
71 #define AO_PLL1_CLK_Q (AO_PLL1_VCO / AO_PLL1_Q)
76 #define AO_SYSCLK AO_PLLSRC
82 #define AO_PLL2_VCO (AO_PLLIN * AO_PLL2_N)
85 #define AO_PLL2_CLK_Q (AL_PLL2_VCO / AO_PLL2_Q)
89 #define AO_PLL2_CLK_R (AL_PLL2_VCO / AO_PLL2_R)
94 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
95 #define AO_P1CLK (AO_HCLK / AO_APB1_PRESCALER)
96 #if AO_ABP1_PRESCALER == 1
97 #define AO_P1_TIMER_CLK AO_P1CLK
99 #define AO_P1_TIMER_CLK (AO_P1CLK * 2)
101 #define AO_P2CLK (AO_HCLK / AO_APB2_PRESCALER)
102 #if AO_ABP2_PRESCALER == 1
103 #define AO_P2_TIMER_CLK AO_P2CLK
105 #define AO_P2_TIMER_CLK (AO_P2CLK * 2)
107 #define AO_SYSTICK (AO_HCLK)
108 #define AO_PANIC_DELAY_SCALE (AO_SYSCLK / 12000000)
110 /* The stm32f413 implements only 4 bits of the priority fields? */
112 #if AO_NONMASK_INTERRUPT
113 #define AO_STM_NVIC_NONMASK_PRIORITY 0x00
115 /* Set the basepri register to this value to mask all
116 * non-maskable priorities
118 #define AO_STM_NVIC_BASEPRI_MASK 0x10
121 #define AO_STM_NVIC_HIGH_PRIORITY 0x40
122 #define AO_STM_NVIC_MED_PRIORITY 0x80
123 #define AO_STM_NVIC_LOW_PRIORITY 0xC0
124 #define AO_STM_NVIC_CLOCK_PRIORITY 0xf0
126 #define AO_GPIO_MODE_PULL_NONE 0
127 #define AO_GPIO_MODE_PULL_UP 4
128 #define AO_GPIO_MODE_PULL_DOWN 8
132 #define AO_SERIAL_SPEED_4800 4800
133 #define AO_SERIAL_SPEED_9600 9600
134 #define AO_SERIAL_SPEED_19200 19200
135 #define AO_SERIAL_SPEED_57600 57600
136 #define AO_SERIAL_SPEED_115200 115200
138 #endif /* _AO_ARCH_H_ */