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altos/fox1ihu: Pull down radio control pin in flash loader
[fw/altos] / src / fox1ihu / flash-loader / ao_pins.h
1 /*
2  * Copyright © 2013 Keith Packard <keithp@keithp.com>
3  *
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.
7  *
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.
12  *
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.
16  */
17
18 #ifndef _AO_PINS_H_
19 #define _AO_PINS_H_
20
21 /* External crystal at 8MHz */
22 #define AO_HSE          8000000
23
24 #define AO_WATCHDOG_PORT        (&stm_gpiod)
25 #define AO_WATCHDOG_PORT_BIT    (1 << STM_RCC_AHBENR_GPIODEN)
26 #define AO_WATCHDOG_BIT         3
27 #define AO_WATCHDOG_VALUE       0
28
29 #define AO_RADIO_CONTROL_PORT           (&stm_gpioe)
30 #define AO_RADIO_CONTROL_PORT_BIT       (1 << STM_RCC_AHBENR_GPIOEEN)
31 #define AO_RADIO_CONTROL_BIT            12
32 #define AO_RADIO_CONTROL_VALUE          1
33
34 #define AO_FLASH_LOADER_INIT do {                                       \
35                 stm_rcc.ahbenr |= AO_WATCHDOG_PORT_BIT | AO_RADIO_CONTROL_PORT_BIT; \
36                                                                         \
37                 stm_gpio_set(AO_WATCHDOG_PORT, AO_WATCHDOG_BIT, AO_WATCHDOG_VALUE); \
38                 stm_moder_set(AO_WATCHDOG_PORT, AO_WATCHDOG_BIT, STM_MODER_OUTPUT); \
39                                                                         \
40                 stm_gpio_set(AO_RADIO_CONTROL_PORT, AO_RADIO_CONTROL_BIT, AO_RADIO_CONTROL_VALUE); \
41                 stm_moder_set(AO_RADIO_CONTROL_PORT, AO_RADIO_CONTROL_BIT, STM_MODER_OUTPUT); \
42         } while (0)
43
44 #define AO_TIMER_HOOK   do {                                            \
45                 AO_WATCHDOG_PORT->odr ^= (1 << AO_WATCHDOG_BIT);        \
46         } while (0)
47
48 #define HAS_TICK                1
49 #include <ao_flash_stm_pins.h>
50
51 /* Attached signal, PB8 */
52
53 #define AO_BOOT_PIN             1
54 #define AO_BOOT_APPLICATION_GPIO        stm_gpiob
55 #define AO_BOOT_APPLICATION_PIN         8
56 #define AO_BOOT_APPLICATION_VALUE       0
57 #define AO_BOOT_APPLICATION_MODE        0
58
59 #endif /* _AO_PINS_H_ */