kopia lustrzana https://github.com/micropython/micropython
531 wiersze
20 KiB
C
531 wiersze
20 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 (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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#include <stdio.h>
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#include <string.h>
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#include "py/runtime.h"
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#include "py/mperrno.h"
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#include "py/mphal.h"
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#include "bufhelper.h"
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#include "inc/hw_types.h"
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#include "inc/hw_i2c.h"
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#include "inc/hw_ints.h"
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#include "inc/hw_memmap.h"
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#include "rom_map.h"
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#include "pin.h"
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#include "prcm.h"
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#include "i2c.h"
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#include "pybi2c.h"
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#include "pybsleep.h"
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#include "utils.h"
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#include "pybpin.h"
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#include "pins.h"
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/// \moduleref pyb
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/// \class I2C - a two-wire serial protocol
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typedef struct _pyb_i2c_obj_t {
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mp_obj_base_t base;
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uint baudrate;
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} pyb_i2c_obj_t;
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/******************************************************************************
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DEFINE CONSTANTS
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******************************************************************************/
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#define PYBI2C_MIN_BAUD_RATE_HZ (50000)
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#define PYBI2C_MAX_BAUD_RATE_HZ (400000)
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#define PYBI2C_TRANSC_TIMEOUT_MS (20)
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#define PYBI2C_TRANSAC_WAIT_DELAY_US (10)
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#define PYBI2C_TIMEOUT_TO_COUNT(to_us, baud) (((baud) * to_us) / 16000000)
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#define RET_IF_ERR(Func) { \
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if (!Func) { \
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return false; \
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} \
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}
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/******************************************************************************
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DECLARE PRIVATE DATA
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******************************************************************************/
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STATIC pyb_i2c_obj_t pyb_i2c_obj = {.baudrate = 0};
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/******************************************************************************
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DECLARE PRIVATE FUNCTIONS
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******************************************************************************/
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STATIC bool pyb_i2c_write(byte addr, byte *data, uint len, bool stop);
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/******************************************************************************
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DEFINE PRIVATE FUNCTIONS
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******************************************************************************/
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// only master mode is available for the moment
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STATIC void i2c_init (pyb_i2c_obj_t *self) {
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// Enable the I2C Peripheral
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MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK | PRCM_SLP_MODE_CLK);
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MAP_PRCMPeripheralReset(PRCM_I2CA0);
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// Configure I2C module with the specified baudrate
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MAP_I2CMasterInitExpClk(I2CA0_BASE, self->baudrate);
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}
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STATIC bool pyb_i2c_transaction(uint cmd) {
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// Convert the timeout to microseconds
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int32_t timeout = PYBI2C_TRANSC_TIMEOUT_MS * 1000;
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// Sanity check, t_timeout must be between 1 and 255
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uint t_timeout = MIN(PYBI2C_TIMEOUT_TO_COUNT(timeout, pyb_i2c_obj.baudrate), 255);
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// Clear all interrupts
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MAP_I2CMasterIntClearEx(I2CA0_BASE, MAP_I2CMasterIntStatusEx(I2CA0_BASE, false));
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// Set the time-out in terms of clock cycles. Not to be used with breakpoints.
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MAP_I2CMasterTimeoutSet(I2CA0_BASE, t_timeout);
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// Initiate the transfer.
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MAP_I2CMasterControl(I2CA0_BASE, cmd);
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// Wait until the current byte has been transferred.
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// Poll on the raw interrupt status.
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while ((MAP_I2CMasterIntStatusEx(I2CA0_BASE, false) & (I2C_MASTER_INT_DATA | I2C_MASTER_INT_TIMEOUT)) == 0) {
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if (timeout < 0) {
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// the peripheral is not responding, so stop
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return false;
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}
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// wait for a few microseconds
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UtilsDelay(UTILS_DELAY_US_TO_COUNT(PYBI2C_TRANSAC_WAIT_DELAY_US));
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timeout -= PYBI2C_TRANSAC_WAIT_DELAY_US;
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}
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// Check for any errors in the transfer
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if (MAP_I2CMasterErr(I2CA0_BASE) != I2C_MASTER_ERR_NONE) {
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switch(cmd) {
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case I2C_MASTER_CMD_BURST_SEND_START:
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case I2C_MASTER_CMD_BURST_SEND_CONT:
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case I2C_MASTER_CMD_BURST_SEND_STOP:
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MAP_I2CMasterControl(I2CA0_BASE, I2C_MASTER_CMD_BURST_SEND_ERROR_STOP);
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break;
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case I2C_MASTER_CMD_BURST_RECEIVE_START:
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case I2C_MASTER_CMD_BURST_RECEIVE_CONT:
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case I2C_MASTER_CMD_BURST_RECEIVE_FINISH:
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MAP_I2CMasterControl(I2CA0_BASE, I2C_MASTER_CMD_BURST_RECEIVE_ERROR_STOP);
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break;
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default:
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break;
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}
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return false;
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}
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return true;
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}
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STATIC void pyb_i2c_check_init(pyb_i2c_obj_t *self) {
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// not initialized
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if (!self->baudrate) {
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mp_raise_OSError(MP_EPERM);
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}
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}
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STATIC bool pyb_i2c_scan_device(byte devAddr) {
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bool ret = false;
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// Set the I2C slave address
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MAP_I2CMasterSlaveAddrSet(I2CA0_BASE, devAddr, true);
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// Initiate the transfer.
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if (pyb_i2c_transaction(I2C_MASTER_CMD_SINGLE_RECEIVE)) {
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ret = true;
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}
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// Send the stop bit to cancel the read transaction
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MAP_I2CMasterControl(I2CA0_BASE, I2C_MASTER_CMD_BURST_SEND_ERROR_STOP);
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if (!ret) {
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uint8_t data = 0;
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if (pyb_i2c_write(devAddr, &data, sizeof(data), true)) {
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ret = true;
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}
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}
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return ret;
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}
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STATIC bool pyb_i2c_mem_addr_write (byte addr, byte *mem_addr, uint mem_addr_len) {
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// Set I2C codec slave address
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MAP_I2CMasterSlaveAddrSet(I2CA0_BASE, addr, false);
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// Write the first byte to the controller.
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MAP_I2CMasterDataPut(I2CA0_BASE, *mem_addr++);
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// Initiate the transfer.
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_START));
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// Loop until the completion of transfer or error
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while (--mem_addr_len) {
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// Write the next byte of data
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MAP_I2CMasterDataPut(I2CA0_BASE, *mem_addr++);
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// Transact over I2C to send the next byte
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_CONT));
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}
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return true;
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}
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STATIC bool pyb_i2c_mem_write (byte addr, byte *mem_addr, uint mem_addr_len, byte *data, uint data_len) {
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if (pyb_i2c_mem_addr_write (addr, mem_addr, mem_addr_len)) {
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// Loop until the completion of transfer or error
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while (data_len--) {
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// Write the next byte of data
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MAP_I2CMasterDataPut(I2CA0_BASE, *data++);
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// Transact over I2C to send the byte
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_CONT));
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}
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// send the stop bit
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_STOP));
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return true;
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}
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return false;
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}
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STATIC bool pyb_i2c_write(byte addr, byte *data, uint len, bool stop) {
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// Set I2C codec slave address
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MAP_I2CMasterSlaveAddrSet(I2CA0_BASE, addr, false);
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// Write the first byte to the controller.
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MAP_I2CMasterDataPut(I2CA0_BASE, *data++);
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// Initiate the transfer.
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_START));
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// Loop until the completion of transfer or error
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while (--len) {
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// Write the next byte of data
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MAP_I2CMasterDataPut(I2CA0_BASE, *data++);
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// Transact over I2C to send the byte
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_CONT));
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}
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// If a stop bit is to be sent, do it.
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if (stop) {
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_SEND_STOP));
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}
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return true;
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}
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STATIC bool pyb_i2c_read(byte addr, byte *data, uint len) {
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// Initiate a burst or single receive sequence
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uint cmd = --len > 0 ? I2C_MASTER_CMD_BURST_RECEIVE_START : I2C_MASTER_CMD_SINGLE_RECEIVE;
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// Set I2C codec slave address
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MAP_I2CMasterSlaveAddrSet(I2CA0_BASE, addr, true);
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// Initiate the transfer.
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RET_IF_ERR(pyb_i2c_transaction(cmd));
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// Loop until the completion of reception or error
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while (len) {
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// Receive the byte over I2C
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*data++ = MAP_I2CMasterDataGet(I2CA0_BASE);
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if (--len) {
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// Continue with reception
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_RECEIVE_CONT));
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} else {
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// Complete the last reception
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RET_IF_ERR(pyb_i2c_transaction(I2C_MASTER_CMD_BURST_RECEIVE_FINISH));
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}
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}
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// Receive the last byte over I2C
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*data = MAP_I2CMasterDataGet(I2CA0_BASE);
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return true;
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}
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STATIC void pyb_i2c_read_into (mp_arg_val_t *args, vstr_t *vstr) {
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pyb_i2c_check_init(&pyb_i2c_obj);
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// get the buffer to receive into
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pyb_buf_get_for_recv(args[1].u_obj, vstr);
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// receive the data
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if (!pyb_i2c_read(args[0].u_int, (byte *)vstr->buf, vstr->len)) {
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mp_raise_OSError(MP_EIO);
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}
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}
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STATIC void pyb_i2c_readmem_into (mp_arg_val_t *args, vstr_t *vstr) {
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pyb_i2c_check_init(&pyb_i2c_obj);
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// get the buffer to receive into
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pyb_buf_get_for_recv(args[2].u_obj, vstr);
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// get the addresses
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mp_uint_t i2c_addr = args[0].u_int;
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mp_uint_t mem_addr = args[1].u_int;
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// determine the width of mem_addr (1 or 2 bytes)
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mp_uint_t mem_addr_size = args[3].u_int >> 3;
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// write the register address to be read from
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if (pyb_i2c_mem_addr_write (i2c_addr, (byte *)&mem_addr, mem_addr_size)) {
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// Read the specified length of data
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if (!pyb_i2c_read (i2c_addr, (byte *)vstr->buf, vstr->len)) {
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mp_raise_OSError(MP_EIO);
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}
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} else {
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mp_raise_OSError(MP_EIO);
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}
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}
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/******************************************************************************/
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/* MicroPython bindings */
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/******************************************************************************/
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STATIC void pyb_i2c_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
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pyb_i2c_obj_t *self = self_in;
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if (self->baudrate > 0) {
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mp_printf(print, "I2C(0, baudrate=%u)", self->baudrate);
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} else {
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mp_print_str(print, "I2C(0)");
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}
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}
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STATIC mp_obj_t pyb_i2c_init_helper(pyb_i2c_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_scl, ARG_sda, ARG_freq };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_scl, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ MP_QSTR_sda, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
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{ MP_QSTR_freq, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 100000} },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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// make sure the baudrate is between the valid range
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self->baudrate = MIN(MAX(args[ARG_freq].u_int, PYBI2C_MIN_BAUD_RATE_HZ), PYBI2C_MAX_BAUD_RATE_HZ);
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// assign the pins
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mp_obj_t pins[2] = {&pin_GP13, &pin_GP23}; // default (SDA, SCL) pins
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if (args[ARG_scl].u_obj != MP_OBJ_NULL) {
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pins[1] = args[ARG_scl].u_obj;
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}
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if (args[ARG_sda].u_obj != MP_OBJ_NULL) {
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pins[0] = args[ARG_sda].u_obj;
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}
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pin_assign_pins_af(pins, 2, PIN_TYPE_STD_PU, PIN_FN_I2C, 0);
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// init the I2C bus
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i2c_init(self);
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// register it with the sleep module
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pyb_sleep_add ((const mp_obj_t)self, (WakeUpCB_t)i2c_init);
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return mp_const_none;
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}
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STATIC mp_obj_t pyb_i2c_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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// check the id argument, if given
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if (n_args > 0) {
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if (all_args[0] != MP_OBJ_NEW_SMALL_INT(0)) {
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mp_raise_OSError(MP_ENODEV);
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}
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--n_args;
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++all_args;
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}
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// parse args
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mp_map_t kw_args;
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mp_map_init_fixed_table(&kw_args, n_kw, all_args + n_args);
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// setup the object
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pyb_i2c_obj_t *self = &pyb_i2c_obj;
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self->base.type = &pyb_i2c_type;
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// start the peripheral
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pyb_i2c_init_helper(self, n_args, all_args, &kw_args);
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return (mp_obj_t)self;
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}
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STATIC mp_obj_t pyb_i2c_init(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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return pyb_i2c_init_helper(pos_args[0], n_args - 1, pos_args + 1, kw_args);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_init_obj, 1, pyb_i2c_init);
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STATIC mp_obj_t pyb_i2c_deinit(mp_obj_t self_in) {
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// disable the peripheral
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MAP_I2CMasterDisable(I2CA0_BASE);
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MAP_PRCMPeripheralClkDisable(PRCM_I2CA0, PRCM_RUN_MODE_CLK | PRCM_SLP_MODE_CLK);
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// invalidate the baudrate
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pyb_i2c_obj.baudrate = 0;
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// unregister it with the sleep module
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pyb_sleep_remove ((const mp_obj_t)self_in);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_i2c_deinit_obj, pyb_i2c_deinit);
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STATIC mp_obj_t pyb_i2c_scan(mp_obj_t self_in) {
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pyb_i2c_check_init(&pyb_i2c_obj);
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mp_obj_t list = mp_obj_new_list(0, NULL);
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for (uint addr = 0x08; addr <= 0x77; addr++) {
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for (int i = 0; i < 3; i++) {
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if (pyb_i2c_scan_device(addr)) {
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mp_obj_list_append(list, mp_obj_new_int(addr));
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break;
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}
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}
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}
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return list;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_i2c_scan_obj, pyb_i2c_scan);
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STATIC mp_obj_t pyb_i2c_readfrom(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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STATIC const mp_arg_t pyb_i2c_readfrom_args[] = {
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{ MP_QSTR_addr, MP_ARG_REQUIRED | MP_ARG_INT, },
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{ MP_QSTR_nbytes, MP_ARG_REQUIRED | MP_ARG_OBJ, },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(pyb_i2c_readfrom_args)];
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mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(args), pyb_i2c_readfrom_args, args);
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vstr_t vstr;
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pyb_i2c_read_into(args, &vstr);
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// return the received data
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_readfrom_obj, 3, pyb_i2c_readfrom);
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STATIC mp_obj_t pyb_i2c_readfrom_into(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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STATIC const mp_arg_t pyb_i2c_readfrom_into_args[] = {
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{ MP_QSTR_addr, MP_ARG_REQUIRED | MP_ARG_INT, },
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{ MP_QSTR_buf, MP_ARG_REQUIRED | MP_ARG_OBJ, },
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};
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// parse args
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mp_arg_val_t args[MP_ARRAY_SIZE(pyb_i2c_readfrom_into_args)];
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mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(args), pyb_i2c_readfrom_into_args, args);
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vstr_t vstr;
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pyb_i2c_read_into(args, &vstr);
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// return the number of bytes received
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return mp_obj_new_int(vstr.len);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_readfrom_into_obj, 1, pyb_i2c_readfrom_into);
|
|
|
|
STATIC mp_obj_t pyb_i2c_writeto(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
|
STATIC const mp_arg_t pyb_i2c_writeto_args[] = {
|
|
{ MP_QSTR_addr, MP_ARG_REQUIRED | MP_ARG_INT, },
|
|
{ MP_QSTR_buf, MP_ARG_REQUIRED | MP_ARG_OBJ, },
|
|
{ MP_QSTR_stop, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} },
|
|
};
|
|
|
|
// parse args
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(pyb_i2c_writeto_args)];
|
|
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(args), pyb_i2c_writeto_args, args);
|
|
|
|
pyb_i2c_check_init(&pyb_i2c_obj);
|
|
|
|
// get the buffer to send from
|
|
mp_buffer_info_t bufinfo;
|
|
uint8_t data[1];
|
|
pyb_buf_get_for_send(args[1].u_obj, &bufinfo, data);
|
|
|
|
// send the data
|
|
if (!pyb_i2c_write(args[0].u_int, bufinfo.buf, bufinfo.len, args[2].u_bool)) {
|
|
mp_raise_OSError(MP_EIO);
|
|
}
|
|
|
|
// return the number of bytes written
|
|
return mp_obj_new_int(bufinfo.len);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_writeto_obj, 1, pyb_i2c_writeto);
|
|
|
|
STATIC mp_obj_t pyb_i2c_readfrom_mem(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
|
STATIC const mp_arg_t pyb_i2c_readfrom_mem_args[] = {
|
|
{ MP_QSTR_addr, MP_ARG_REQUIRED | MP_ARG_INT, },
|
|
{ MP_QSTR_memaddr, MP_ARG_REQUIRED | MP_ARG_INT, },
|
|
{ MP_QSTR_nbytes, MP_ARG_REQUIRED | MP_ARG_OBJ, },
|
|
{ MP_QSTR_addrsize, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 8} },
|
|
};
|
|
|
|
// parse args
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(pyb_i2c_readfrom_mem_args)];
|
|
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(args), pyb_i2c_readfrom_mem_args, args);
|
|
|
|
vstr_t vstr;
|
|
pyb_i2c_readmem_into (args, &vstr);
|
|
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_readfrom_mem_obj, 1, pyb_i2c_readfrom_mem);
|
|
|
|
STATIC const mp_arg_t pyb_i2c_readfrom_mem_into_args[] = {
|
|
{ MP_QSTR_addr, MP_ARG_REQUIRED | MP_ARG_INT, },
|
|
{ MP_QSTR_memaddr, MP_ARG_REQUIRED | MP_ARG_INT, },
|
|
{ MP_QSTR_buf, MP_ARG_REQUIRED | MP_ARG_OBJ, },
|
|
{ MP_QSTR_addrsize, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 8} },
|
|
};
|
|
|
|
STATIC mp_obj_t pyb_i2c_readfrom_mem_into(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
|
// parse args
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(pyb_i2c_readfrom_mem_into_args)];
|
|
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(args), pyb_i2c_readfrom_mem_into_args, args);
|
|
|
|
// get the buffer to read into
|
|
vstr_t vstr;
|
|
pyb_i2c_readmem_into (args, &vstr);
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_readfrom_mem_into_obj, 1, pyb_i2c_readfrom_mem_into);
|
|
|
|
STATIC mp_obj_t pyb_i2c_writeto_mem(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
|
// parse args
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(pyb_i2c_readfrom_mem_into_args)];
|
|
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(pyb_i2c_readfrom_mem_into_args), pyb_i2c_readfrom_mem_into_args, args);
|
|
|
|
pyb_i2c_check_init(&pyb_i2c_obj);
|
|
|
|
// get the buffer to write from
|
|
mp_buffer_info_t bufinfo;
|
|
uint8_t data[1];
|
|
pyb_buf_get_for_send(args[2].u_obj, &bufinfo, data);
|
|
|
|
// get the addresses
|
|
mp_uint_t i2c_addr = args[0].u_int;
|
|
mp_uint_t mem_addr = args[1].u_int;
|
|
// determine the width of mem_addr (1 or 2 bytes)
|
|
mp_uint_t mem_addr_size = args[3].u_int >> 3;
|
|
|
|
// write the register address to write to.
|
|
if (pyb_i2c_mem_write (i2c_addr, (byte *)&mem_addr, mem_addr_size, bufinfo.buf, bufinfo.len)) {
|
|
return mp_const_none;
|
|
}
|
|
|
|
mp_raise_OSError(MP_EIO);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_writeto_mem_obj, 1, pyb_i2c_writeto_mem);
|
|
|
|
STATIC const mp_rom_map_elem_t pyb_i2c_locals_dict_table[] = {
|
|
// instance methods
|
|
{ MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&pyb_i2c_init_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&pyb_i2c_deinit_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_scan), MP_ROM_PTR(&pyb_i2c_scan_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_readfrom), MP_ROM_PTR(&pyb_i2c_readfrom_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_readfrom_into), MP_ROM_PTR(&pyb_i2c_readfrom_into_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_writeto), MP_ROM_PTR(&pyb_i2c_writeto_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_readfrom_mem), MP_ROM_PTR(&pyb_i2c_readfrom_mem_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_readfrom_mem_into), MP_ROM_PTR(&pyb_i2c_readfrom_mem_into_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_writeto_mem), MP_ROM_PTR(&pyb_i2c_writeto_mem_obj) },
|
|
};
|
|
|
|
STATIC MP_DEFINE_CONST_DICT(pyb_i2c_locals_dict, pyb_i2c_locals_dict_table);
|
|
|
|
const mp_obj_type_t pyb_i2c_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_I2C,
|
|
.print = pyb_i2c_print,
|
|
.make_new = pyb_i2c_make_new,
|
|
.locals_dict = (mp_obj_t)&pyb_i2c_locals_dict,
|
|
};
|