144 lines
3.6 KiB
C
144 lines
3.6 KiB
C
/*
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* This file is part of the Micro Python 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 (c) 2013, 2014 Damien P. George
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* Copyright (c) 2015 Daniel Campora
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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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#ifndef PYBPIN_H_
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#define PYBPIN_H_
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enum {
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PORT_A0 = GPIOA0_BASE,
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PORT_A1 = GPIOA1_BASE,
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PORT_A2 = GPIOA2_BASE,
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PORT_A3 = GPIOA3_BASE,
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};
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enum {
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PIN_FN_UART = 0,
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PIN_FN_SPI,
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PIN_FN_I2S,
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PIN_FN_I2C,
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PIN_FN_TIM,
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PIN_FN_SD,
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PIN_FN_ADC,
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};
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enum {
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PIN_TYPE_UART_TX = 0,
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PIN_TYPE_UART_RX,
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PIN_TYPE_UART_RTS,
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PIN_TYPE_UART_CTS,
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};
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enum {
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PIN_TYPE_SPI_CLK = 0,
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PIN_TYPE_SPI_MOSI,
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PIN_TYPE_SPI_MISO,
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PIN_TYPE_SPI_CS0,
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};
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enum {
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PIN_TYPE_I2S_CLK = 0,
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PIN_TYPE_I2S_FS,
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PIN_TYPE_I2S_DAT0,
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PIN_TYPE_I2S_DAT1,
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};
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enum {
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PIN_TYPE_I2C_SDA = 0,
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PIN_TYPE_I2C_SCL,
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};
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enum {
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PIN_TYPE_TIM_PWM0 = 0,
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PIN_TYPE_TIM_PWM1,
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PIN_TYPE_TIM_CC0,
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PIN_TYPE_TIM_CC1,
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};
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enum {
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PIN_TYPE_SD_CLK = 0,
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PIN_TYPE_SD_CMD,
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PIN_TYPE_SD_DAT0,
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};
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enum {
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PIN_TYPE_ADC_CH0 = 0,
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PIN_TYPE_ADC_CH1,
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PIN_TYPE_ADC_CH2,
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PIN_TYPE_ADC_CH3,
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};
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typedef struct {
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qstr name;
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int8_t idx;
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uint8_t fn;
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uint8_t unit;
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uint8_t type;
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} pin_af_t;
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typedef struct {
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const mp_obj_base_t base;
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const qstr name;
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const uint32_t port;
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const pin_af_t *af_list;
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uint16_t pull;
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const uint8_t bit;
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const uint8_t pin_num;
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int8_t af;
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uint8_t strength;
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uint8_t mode; // this is now a combination of type and mode
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const uint8_t num_afs; // 255 AFs
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uint8_t value;
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uint8_t used;
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uint8_t irq_trigger;
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uint8_t irq_flags;
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} pin_obj_t;
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extern const mp_obj_type_t pin_type;
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typedef struct {
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const char *name;
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const pin_obj_t *pin;
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} pin_named_pin_t;
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typedef struct {
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mp_obj_base_t base;
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qstr name;
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const pin_named_pin_t *named_pins;
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} pin_named_pins_obj_t;
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extern const mp_obj_type_t pin_board_pins_obj_type;
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extern const mp_obj_dict_t pin_board_pins_locals_dict;
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void pin_init0(void);
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void pin_config(pin_obj_t *self, int af, uint mode, uint type, int value, uint strength);
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pin_obj_t *pin_find(mp_obj_t user_obj);
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void pin_assign_pins_af (mp_obj_t *pins, uint32_t n_pins, uint32_t pull, uint32_t fn, uint32_t unit);
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uint8_t pin_find_peripheral_unit (const mp_obj_t pin, uint8_t fn, uint8_t type);
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uint8_t pin_find_peripheral_type (const mp_obj_t pin, uint8_t fn, uint8_t unit);
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#endif // PYBPIN_H_
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