2 * Copyright © 2023 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.
19 #ifndef _AO_ARCH_FUNCS_H_
20 #define _AO_ARCH_FUNCS_H_
23 ao_enable_port(struct stm_gpio *port)
25 if ((port) == &stm_gpioa)
26 stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_IOPAEN);
27 else if ((port) == &stm_gpiob)
28 stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_IOPBEN);
29 else if ((port) == &stm_gpioc)
30 stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_IOPCEN);
31 else if ((port) == &stm_gpiod)
32 stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_IOPDEN);
33 else if ((port) == &stm_gpioe)
34 stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_IOPEEN);
38 ao_disable_port(struct stm_gpio *port)
40 if ((port) == &stm_gpioa)
41 stm_rcc.apb2enr &= ~(1UL << STM_RCC_APB2ENR_IOPAEN);
42 else if ((port) == &stm_gpiob)
43 stm_rcc.apb2enr &= ~(1UL << STM_RCC_APB2ENR_IOPBEN);
44 else if ((port) == &stm_gpioc)
45 stm_rcc.apb2enr &= ~(1UL << STM_RCC_APB2ENR_IOPCEN);
46 else if ((port) == &stm_gpiod)
47 stm_rcc.apb2enr &= ~(1UL << STM_RCC_APB2ENR_IOPDEN);
48 else if ((port) == &stm_gpioe)
49 stm_rcc.apb2enr &= ~(1UL << STM_RCC_APB2ENR_IOPEEN);
52 #define ao_gpio_set(port, bit, v) stm_gpio_set(port, bit, v)
54 #define ao_gpio_get(port, bit) stm_gpio_get(port, bit)
56 #define ao_gpio_set_bits(port, bits) stm_gpio_set_bits(port, bits)
58 #define ao_gpio_set_mask(port, bits, mask) stm_gpio_set_mask(port, bits, mask)
60 #define ao_gpio_clr_bits(port, bits) stm_gpio_clr_bits(port, bits);
62 #define ao_gpio_get_all(port) stm_gpio_get_all(port)
65 ao_enable_output(struct stm_gpio *port, int bit, uint8_t v)
68 ao_gpio_set(port, bit, v);
69 stm_gpio_conf(port, bit,
70 STM_GPIO_CR_MODE_OUTPUT_10MHZ,
71 STM_GPIO_CR_CNF_OUTPUT_PUSH_PULL);
74 #endif /* _AO_ARCH_FUNCS_H_ */