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