UART to I2C master(s) converter, targetting to emulate SC18IM700(NXP) chip

Dependencies:   mbed

UART to I2C master(s) converter, targetting to emulate SC18IM700(NXP) chip

Features

up to 4x I2C master

  • for LPC824 implement, we can use up to 4 channels of I2C masters
    • 1x Fm+ and 3x Fm I2C channels
  • for LPC1768 implement, we can use up to 2 channels of I2C masters
    • 2x Fm I2C channels
  • for LPC11U35 implement, only one channel for I2C master, but program uses USB CDC class for UART communication (means no external USB-Serial converter chip)
    • 1x Fm+ I2C channels

1x SPI master

up to 2x 8bit GPIO

Tested Platforms

LPC824

LPC1768

LPC11U35

Quote:

LPC11U35 implement requires importing USBDevice library to use USBSerial class

visit https://github.com/K4zuki/tinyI2C for more information

tinyI2C_1768.h

Committer:
K4zuki
Date:
2016-09-19
Revision:
85:4b1489cd5623
Parent:
81:886b32eed2bb

File content as of revision 85:4b1489cd5623:

/*
tinyI2C_1768.h
*/

static const uint8_t chip_id = ID_LPC1768;

#define isI2C1  // unused(always enabled)
I2C dev1(p28, p27);

#define isI2C2
I2C dev2( p9, p10 );
#undef isI2C3
#undef isI2C4

#define isUART
#undef isUSBUART
Serial pc(USBTX,USBRX);

#define isHWSPI
#undef isSWSPI
SPI _spi(p5, p6, p7); // mosi, miso, sclk
DigitalOut _cs(p8); // CS

#define isGPIO0 // unused(always enabled)
DigitalInOut _GPIO00(p11);
DigitalInOut _GPIO01(p12);
DigitalInOut _GPIO02(p13);
DigitalInOut _GPIO03(p14);
DigitalInOut _GPIO04(p15);
DigitalInOut _GPIO05(p16);
DigitalInOut _GPIO06(p17);
DigitalInOut _GPIO07(p18);

#define isGPIO1
DigitalInOut _GPIO10(p19);
DigitalInOut _GPIO11(p20);
DigitalInOut _GPIO12(p21);
DigitalInOut _GPIO13(p22);
DigitalInOut _GPIO14(p23);
DigitalInOut _GPIO15(p24);
DigitalInOut _GPIO16(p25);
DigitalInOut _GPIO17(p26);