163 lines
6.2 KiB
C
163 lines
6.2 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright 2019 Sony Semiconductor Solutions Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <arch/chip/pin.h>
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#include <arch/chip/adc.h>
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#include <arch/board/board.h>
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#include "shared-bindings/microcontroller/Pin.h"
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typedef struct {
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const mcu_pin_obj_t *pin;
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bool reset;
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bool free;
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} pin_status_t;
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const mcu_pin_obj_t pin_UART2_RXD = PIN(PIN_UART2_RXD, false);
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const mcu_pin_obj_t pin_UART2_TXD = PIN(PIN_UART2_TXD, false);
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const mcu_pin_obj_t pin_HIF_IRQ_OUT = PIN(PIN_HIF_IRQ_OUT, false);
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const mcu_pin_obj_t pin_PWM3 = PIN(PIN_PWM3, false);
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const mcu_pin_obj_t pin_SPI2_MOSI = PIN(PIN_SPI2_MOSI, false);
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const mcu_pin_obj_t pin_PWM1 = PIN(PIN_PWM1, false);
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const mcu_pin_obj_t pin_PWM0 = PIN(PIN_PWM0, false);
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const mcu_pin_obj_t pin_SPI3_CS1_X = PIN(PIN_SPI3_CS1_X, false);
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const mcu_pin_obj_t pin_SPI2_MISO = PIN(PIN_SPI2_MISO, false);
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const mcu_pin_obj_t pin_PWM2 = PIN(PIN_PWM2, false);
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const mcu_pin_obj_t pin_SPI4_CS_X = PIN(PIN_SPI4_CS_X, false);
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const mcu_pin_obj_t pin_SPI4_MOSI = PIN(PIN_SPI4_MOSI, false);
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const mcu_pin_obj_t pin_SPI4_MISO = PIN(PIN_SPI4_MISO, false);
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const mcu_pin_obj_t pin_SPI4_SCK = PIN(PIN_SPI4_SCK, false);
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const mcu_pin_obj_t pin_I2C0_BDT = PIN(PIN_I2C0_BDT, false);
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const mcu_pin_obj_t pin_I2C0_BCK = PIN(PIN_I2C0_BCK, false);
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const mcu_pin_obj_t pin_EMMC_DATA0 = PIN(PIN_EMMC_DATA0, false);
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const mcu_pin_obj_t pin_EMMC_DATA1 = PIN(PIN_EMMC_DATA1, false);
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const mcu_pin_obj_t pin_I2S0_DATA_OUT = PIN(PIN_I2S0_DATA_OUT, false);
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const mcu_pin_obj_t pin_I2S0_DATA_IN = PIN(PIN_I2S0_DATA_IN, false);
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const mcu_pin_obj_t pin_EMMC_DATA2 = PIN(PIN_EMMC_DATA2, false);
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const mcu_pin_obj_t pin_EMMC_DATA3 = PIN(PIN_EMMC_DATA3, false);
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const mcu_pin_obj_t pin_SEN_IRQ_IN = PIN(PIN_SEN_IRQ_IN, false);
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const mcu_pin_obj_t pin_EMMC_CLK = PIN(PIN_EMMC_CLK, false);
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const mcu_pin_obj_t pin_EMMC_CMD = PIN(PIN_EMMC_CMD, false);
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const mcu_pin_obj_t pin_I2S0_LRCK = PIN(PIN_I2S0_LRCK, false);
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const mcu_pin_obj_t pin_I2S0_BCK = PIN(PIN_I2S0_BCK, false);
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const mcu_pin_obj_t pin_UART2_CTS = PIN(PIN_UART2_CTS, false);
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const mcu_pin_obj_t pin_UART2_RTS = PIN(PIN_UART2_RTS, false);
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const mcu_pin_obj_t pin_I2S1_BCK = PIN(PIN_I2S1_BCK, false);
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const mcu_pin_obj_t pin_I2S1_LRCK = PIN(PIN_I2S1_LRCK, false);
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const mcu_pin_obj_t pin_I2S1_DATA_IN = PIN(PIN_I2S1_DATA_IN, false);
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const mcu_pin_obj_t pin_I2S1_DATA_OUT = PIN(PIN_I2S1_DATA_OUT, false);
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const mcu_pin_obj_t pin_LPADC0 = PIN(0, true);
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const mcu_pin_obj_t pin_LPADC1 = PIN(1, true);
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const mcu_pin_obj_t pin_LPADC2 = PIN(2, true);
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const mcu_pin_obj_t pin_LPADC3 = PIN(3, true);
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const mcu_pin_obj_t pin_HPADC0 = PIN(4, true);
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const mcu_pin_obj_t pin_HPADC1 = PIN(5, true);
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STATIC pin_status_t pins[] = {
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{ &pin_UART2_RXD, true, true },
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{ &pin_UART2_TXD, true, true },
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{ &pin_HIF_IRQ_OUT, true, true },
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{ &pin_PWM3, true, true },
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{ &pin_SPI2_MOSI, true, true },
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{ &pin_PWM1, true, true },
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{ &pin_PWM0, true, true },
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{ &pin_SPI3_CS1_X, true, true },
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{ &pin_SPI2_MISO, true, true },
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{ &pin_PWM2, true, true },
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{ &pin_SPI4_CS_X, true, true },
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{ &pin_SPI4_MOSI, true, true },
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{ &pin_SPI4_MISO, true, true },
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{ &pin_SPI4_SCK, true, true },
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{ &pin_I2C0_BDT, true, true },
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{ &pin_I2C0_BCK, true, true },
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{ &pin_EMMC_DATA0, true, true },
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{ &pin_EMMC_DATA1, true, true },
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{ &pin_I2S0_DATA_OUT, true, true },
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{ &pin_I2S0_DATA_IN, true, true },
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{ &pin_EMMC_DATA2, true, true },
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{ &pin_EMMC_DATA3, true, true },
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{ &pin_SEN_IRQ_IN, true, true },
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{ &pin_EMMC_CLK, true, true },
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{ &pin_EMMC_CMD, true, true },
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{ &pin_I2S0_LRCK, true, true },
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{ &pin_I2S0_BCK, true, true },
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{ &pin_UART2_CTS, true, true },
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{ &pin_UART2_RTS, true, true },
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{ &pin_I2S1_BCK, true, true },
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{ &pin_I2S1_LRCK, true, true },
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{ &pin_I2S1_DATA_IN, true, true },
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{ &pin_I2S1_DATA_OUT, true, true },
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};
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bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t *pin) {
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for (int i = 0; i < MP_ARRAY_SIZE(pins); i++) {
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if (pins[i].pin->number == pin->number) {
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return pins[i].free;
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}
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}
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return true;
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}
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void never_reset_pin_number(uint8_t pin_number) {
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for (int i = 0; i < MP_ARRAY_SIZE(pins); i++) {
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if (pins[i].pin->number == pin_number) {
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pins[i].reset = false;
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}
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}
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}
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void reset_pin_number(uint8_t pin_number) {
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for (int i = 0; i < MP_ARRAY_SIZE(pins); i++) {
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if (pins[i].pin->number == pin_number) {
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pins[i].free = true;
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}
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}
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}
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void reset_all_pins(void) {
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for (int i = 0; i < MP_ARRAY_SIZE(pins); i++) {
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if (!pins[i].free && pins[i].reset) {
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board_gpio_write(pins[i].pin->number, -1);
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board_gpio_config(pins[i].pin->number, 0, false, true, PIN_FLOAT);
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board_gpio_int(pins[i].pin->number, false);
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board_gpio_intconfig(pins[i].pin->number, 0, false, NULL);
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pins[i].free = true;
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}
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}
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}
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void claim_pin(const mcu_pin_obj_t *pin) {
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for (int i = 0; i < MP_ARRAY_SIZE(pins); i++) {
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if (pins[i].pin->number == pin->number) {
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pins[i].free = false;
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}
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}
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}
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