micropython/cc3200/mods/pybpin.h

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2015 Daniel Campora
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef PYBPIN_H_
#define PYBPIN_H_
enum {
PORT_A0 = GPIOA0_BASE,
PORT_A1 = GPIOA1_BASE,
PORT_A2 = GPIOA2_BASE,
PORT_A3 = GPIOA3_BASE,
};
enum {
PIN_FN_UART = 0,
PIN_FN_SPI,
PIN_FN_I2S,
PIN_FN_I2C,
PIN_FN_TIM,
PIN_FN_SD,
PIN_FN_ADC,
};
enum {
PIN_TYPE_UART_TX = 0,
PIN_TYPE_UART_RX,
PIN_TYPE_UART_RTS,
PIN_TYPE_UART_CTS,
};
enum {
PIN_TYPE_SPI_CLK = 0,
PIN_TYPE_SPI_MOSI,
PIN_TYPE_SPI_MISO,
PIN_TYPE_SPI_CS0,
};
enum {
PIN_TYPE_I2S_CLK = 0,
PIN_TYPE_I2S_FS,
PIN_TYPE_I2S_DAT0,
PIN_TYPE_I2S_DAT1,
};
enum {
PIN_TYPE_I2C_SDA = 0,
PIN_TYPE_I2C_SCL,
};
enum {
PIN_TYPE_TIM_PWM0 = 0,
PIN_TYPE_TIM_PWM1,
PIN_TYPE_TIM_CC0,
PIN_TYPE_TIM_CC1,
};
enum {
PIN_TYPE_SD_CLK = 0,
PIN_TYPE_SD_CMD,
PIN_TYPE_SD_DAT0,
};
enum {
PIN_TYPE_ADC_CH0 = -1,
PIN_TYPE_ADC_CH1 = -1,
PIN_TYPE_ADC_CH2 = -1,
PIN_TYPE_ADC_CH3 = -1,
};
typedef struct {
qstr name;
uint8_t idx;
uint8_t fn;
uint8_t unit;
uint8_t type;
} pin_af_t;
typedef struct {
const mp_obj_base_t base;
const qstr name;
const uint32_t port;
const pin_af_t *af_list;
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uint16_t pull;
const uint8_t bit;
const uint8_t pin_num;
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int8_t af;
uint8_t strength;
uint8_t mode; // this is now a combination of type and mode
uint8_t num_afs: 6; // up to 63 AFs
uint8_t value : 1;
uint8_t used : 1;
} pin_obj_t;
typedef struct {
pin_obj_t *pin;
uint8_t af_idx;
} pin_fn_t;
extern const mp_obj_type_t pin_type;
typedef struct {
const char *name;
const pin_obj_t *pin;
} pin_named_pin_t;
typedef struct {
mp_obj_base_t base;
qstr name;
const pin_named_pin_t *named_pins;
} pin_named_pins_obj_t;
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extern const mp_obj_type_t pin_board_pins_obj_type;
extern const mp_obj_dict_t pin_board_pins_locals_dict;
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);
pin_obj_t *pin_find(mp_obj_t user_obj);
int8_t pin_find_af_index(const pin_obj_t* pin, uint8_t fn, uint8_t unit, uint8_t type);
void pin_free_af_from_pins (uint8_t fn, uint8_t unit, uint8_t type);
#endif // PYBPIN_H_