pico2-ice
RaspberryPi Pico with an iCE40 FPGA
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ice_HAL.h
1/*
2 * MIT License
3 *
4 * Copyright (c) 2025 tinyVision.ai
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25#include <stdint.h>
26#include <errno.h>
27
28#define ICE_HAL_ATTR __attribute__((weak))
29
30#pragma once
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
54int ICE_HAL_ATTR ice_hal_spi_init(int mosi, int miso, int clk, int freq);
55
64int ICE_HAL_ATTR ice_hal_spi_write(const uint8_t *buf, size_t len);
65
73int ICE_HAL_ATTR ice_hal_spi_read(uint8_t *buf, int len);
74
82int ICE_HAL_ATTR ice_hal_spi_deinit(void);
83
98int ICE_HAL_ATTR ice_hal_gpio_init(int gpio);
99
108int ICE_HAL_ATTR ice_hal_gpio_set_high_z(int gpio);
109
117int ICE_HAL_ATTR ice_hal_gpio_set_pu(int gpio);
118
126int ICE_HAL_ATTR ice_hal_gpio_set_pd(int gpio);
127
136int ICE_HAL_ATTR ice_hal_gpio_set_1(int gpio);
137
146int ICE_HAL_ATTR ice_hal_gpio_set_0(int gpio);
147
155int ICE_HAL_ATTR ice_hal_gpio_get(int gpio);
156
164int ICE_HAL_ATTR ice_hal_gpio_deinit(int gpio);
165
168#ifdef __cplusplus
169}
170#endif