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83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "clar.h"
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#include "board/board.h"
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#include "drivers/fpc_pinstrap.h"
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static bool s_pin_pull_up_enabled[2] = { false, false };
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void gpio_input_init_pull_up_down(const InputConfig *input_cfg, GPIOPuPd_TypeDef pupd) {
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s_pin_pull_up_enabled[input_cfg->gpio_pin] = (pupd == GPIO_PuPd_UP);
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}
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void gpio_analog_init(const InputConfig *input_cfg) {
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}
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static enum {
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PinstrapResult_GND,
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PinstrapResult_Vplus,
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PinstrapResult_Float
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} s_pinstrap_results[2];
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bool gpio_input_read(const InputConfig *input_cfg) {
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switch (s_pinstrap_results[input_cfg->gpio_pin]) {
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case PinstrapResult_GND:
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return false;
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case PinstrapResult_Vplus:
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return true;
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case PinstrapResult_Float:
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return s_pin_pull_up_enabled[input_cfg->gpio_pin];
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}
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}
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void test_fpc_pinstrap__simple(void) {
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s_pinstrap_results[0] = PinstrapResult_GND;
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s_pinstrap_results[1] = PinstrapResult_GND;
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cl_assert(fpc_pinstrap_get_value() == 0x0);
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s_pinstrap_results[1] = PinstrapResult_Vplus;
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cl_assert(fpc_pinstrap_get_value() == 0x1);
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s_pinstrap_results[1] = PinstrapResult_Float;
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cl_assert(fpc_pinstrap_get_value() == 0x2);
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s_pinstrap_results[0] = PinstrapResult_Vplus;
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s_pinstrap_results[1] = PinstrapResult_GND;
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cl_assert(fpc_pinstrap_get_value() == 0x3);
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s_pinstrap_results[1] = PinstrapResult_Vplus;
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cl_assert(fpc_pinstrap_get_value() == 0x4);
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s_pinstrap_results[1] = PinstrapResult_Float;
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cl_assert(fpc_pinstrap_get_value() == 0x5);
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s_pinstrap_results[0] = PinstrapResult_Float;
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s_pinstrap_results[1] = PinstrapResult_GND;
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cl_assert(fpc_pinstrap_get_value() == 0x6);
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s_pinstrap_results[1] = PinstrapResult_Vplus;
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cl_assert(fpc_pinstrap_get_value() == 0x7);
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s_pinstrap_results[1] = PinstrapResult_Float;
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cl_assert(fpc_pinstrap_get_value() == 0x8);
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}
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