Kevin Braun
I2C device discovery and printout of known device names
i2cDevices.cpp
- Committer:
- loopsva
- Date:
- 2019-01-10
- Revision:
- 0:df49b3ed3502
File content as of revision 0:df49b3ed3502:
#include "mbed.h"
#include "i2cDevices.h"
extern RawSerial pc;
//--------------------------------------------------------------------------------------------------------------------------------------//
//Constructor
i2c_discovery::i2c_discovery(PinName sda, PinName scl, const char* name) : _i2c(sda, scl) {
_i2c.frequency(100000);
}
//--------------------------------------------------------------------------------------------------------------------------------------//
//Display detected i2c device name
int i2c_discovery::showI2C(i2cDeviceFlags& i2cFlags, char addr) {
switch (addr) {
#ifdef I2C_0x02
case 0x02:
pc.printf("%s\r\n", I2C_0x02);
i2cFlags.PCA9955_GGG_ok = true;
break;
#endif
#ifdef I2C_0x04
case 0x04:
pc.printf("%s\r\n", I2C_0x04);
break;
#endif
#ifdef I2C_0x06
case 0x06:
pc.printf("%s\r\n", I2C_0x06);
break;
#endif
#ifdef I2C_0x08
case 0x08:
pc.printf("%s\r\n", I2C_0x08);
break;
#endif
#ifdef I2C_0x0A
case 0x0A:
pc.printf("%s\r\n", I2C_0x0A);
break;
#endif
#ifdef I2C_0x0C
case 0x0C:
pc.printf("%s\r\n", I2C_0x0C);
break;
#endif
#ifdef I2C_0x0E
case 0x0E:
pc.printf("%s\r\n", I2C_0x0E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x10
case 0x10:
pc.printf("%s\r\n", I2C_0x10);
break;
#endif
#ifdef I2C_0x12
case 0x12:
pc.printf("%s\r\n", I2C_0x12);
break;
#endif
#ifdef I2C_0x14
case 0x14:
pc.printf("%s\r\n", I2C_0x14);
break;
#endif
#ifdef I2C_0x16
case 0x16:
pc.printf("%s\r\n", I2C_0x16);
break;
#endif
#ifdef I2C_0x18
case 0x18:
pc.printf("%s\r\n", I2C_0x18);
break;
#endif
#ifdef I2C_0x1A
case 0x1A:
pc.printf("%s\r\n", I2C_0x1A);
break;
#endif
#ifdef I2C_0x1C
case 0x1C:
pc.printf("%s\r\n", I2C_0x1C);
break;
#endif
#ifdef I2C_0x1E
case 0x1E:
pc.printf("%s\r\n", I2C_0x1E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x20
case 0x20:
pc.printf("%s\r\n", I2C_0x20);
i2cFlags.VEML60xx_ok = true;
break;
#endif
#ifdef I2C_0x22
case 0x22:
pc.printf("%s\r\n", I2C_0x22);
break;
#endif
#ifdef I2C_0x24
case 0x24:
pc.printf("%s\r\n", I2C_0x24);
break;
#endif
#ifdef I2C_0x26
case 0x26:
pc.printf("%s\r\n", I2C_0x26);
break;
#endif
#ifdef I2C_0x28
case 0x28:
pc.printf("%s\r\n", I2C_0x28);
break;
#endif
#ifdef I2C_0x2A
case 0x2A:
pc.printf("%s\r\n", I2C_0x2A);
break;
#endif
#ifdef I2C_0x2C
case 0x2C:
pc.printf("%s\r\n", I2C_0x2C);
break;
#endif
#ifdef I2C_0x2E
case 0x2E:
pc.printf("%s\r\n", I2C_0x2E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x30
case 0x30:
pc.printf("%s\r\n", I2C_0x30);
break;
#endif
#ifdef I2C_0x32
case 0x32:
pc.printf("%s\r\n", I2C_0x32);
break;
#endif
#ifdef I2C_0x34
case 0x34:
pc.printf("%s\r\n", I2C_0x34);
break;
#endif
#ifdef I2C_0x36
case 0x36:
pc.printf("%s\r\n", I2C_0x36);
break;
#endif
#ifdef I2C_0x38
case 0x38:
pc.printf("%s\r\n", I2C_0x38);
i2cFlags.mma8451cs1_ok = true;
//fxos8700_ok = true;
break;
#endif
#ifdef I2C_0x3A
case 0x3A:
pc.printf("%s\r\n", I2C_0x3A);
//fxos8700_ok = true;
break;
#endif
#ifdef I2C_0x3C
case 0x3C:
pc.printf("%s\r\n", I2C_0x3C);
//fxos8700_ok = true;
break;
#endif
#ifdef I2C_0x3E
case 0x3E:
pc.printf("%s\r\n", I2C_0x3E);
//fxos8700_ok = true;
break;
#endif
//----------------------------------------
#ifdef I2C_0x40
case 0x40:
pc.printf("%s\r\n", I2C_0x40);
break;
#endif
#ifdef I2C_0x42
case 0x42:
pc.printf("%s\r\n", I2C_0x42);
break;
#endif
#ifdef I2C_0x44
case 0x44:
pc.printf("%s\r\n", I2C_0x44);
break;
#endif
#ifdef I2C_0x46
case 0x46:
pc.printf("%s\r\n", I2C_0x46);
break;
#endif
#ifdef I2C_0x48
case 0x48:
pc.printf("%s\r\n", I2C_0x48);
break;
#endif
#ifdef I2C_0x4A
case 0x4A:
pc.printf("%s\r\n", I2C_0x4A);
break;
#endif
#ifdef I2C_0x4C
case 0x4C:
pc.printf("%s\r\n", I2C_0x4C);
break;
#endif
#ifdef I2C_0x4E
case 0x4E:
pc.printf("%s\r\n", I2C_0x4E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x50
case 0x50:
pc.printf("%s\r\n", I2C_0x50);
break;
#endif
#ifdef I2C_0x52
case 0x52:
pc.printf("%s\r\n", I2C_0x52);
break;
#endif
#ifdef I2C_0x54
case 0x54:
pc.printf("%s\r\n", I2C_0x54);
break;
#endif
#ifdef I2C_0x56
case 0x56:
pc.printf("%s\r\n", I2C_0x56);
break;
#endif
#ifdef I2C_0x58
case 0x58:
pc.printf("%s\r\n", I2C_0x58);
break;
#endif
#ifdef I2C_0x5A
case 0x5A:
pc.printf("%s\r\n", I2C_0x5A);
break;
#endif
#ifdef I2C_0x5C
case 0x5C:
pc.printf("%s\r\n", I2C_0x5C);
break;
#endif
#ifdef I2C_0x5E
case 0x5E:
pc.printf("%s\r\n", I2C_0x5E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x60
case 0x60:
pc.printf("%s\r\n", I2C_0x60);
break;
#endif
#ifdef I2C_0x62
case 0x62:
pc.printf("%s\r\n", I2C_0x62);
break;
#endif
#ifdef I2C_0x64
case 0x64:
pc.printf("%s\r\n", I2C_0x64);
break;
#endif
#ifdef I2C_0x66
case 0x66:
pc.printf("%s\r\n", I2C_0x66);
break;
#endif
#ifdef I2C_0x68
case 0x68:
pc.printf("%s\r\n", I2C_0x68);
break;
#endif
#ifdef I2C_0x6A
case 0x6A:
pc.printf("%s\r\n", I2C_0x6A);
break;
#endif
#ifdef I2C_0x6C
case 0x6C:
pc.printf("%s\r\n", I2C_0x6C);
break;
#endif
#ifdef I2C_0x6E
case 0x6E:
pc.printf("%s\r\n", I2C_0x6E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x70
case 0x70:
pc.printf("%s\r\n", I2C_0x70);
i2cFlags.VEML6070_ok = true;
break;
#endif
#ifdef I2C_0x72
case 0x72:
pc.printf("%s\r\n", I2C_0x72);
break;
#endif
#ifdef I2C_0x74
case 0x74:
pc.printf("%s\r\n", I2C_0x74);
break;
#endif
#ifdef I2C_0x76
case 0x76:
pc.printf("%s\r\n", I2C_0x76);
break;
#endif
#ifdef I2C_0x78
case 0x78:
pc.printf("%s\r\n", I2C_0x78);
break;
#endif
#ifdef I2C_0x7A
case 0x7A:
pc.printf("%s\r\n", I2C_0x7A);
break;
#endif
#ifdef I2C_0x7C
case 0x7C:
pc.printf("%s\r\n", I2C_0x7C);
break;
#endif
#ifdef I2C_0x7E
case 0x7E:
pc.printf("%s\r\n", I2C_0x7E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x80
case 0x80:
pc.printf("%s\r\n", I2C_0x80);
i2cFlags.HTU21D_ok = true;
i2cFlags.INA219_MAX7300_gg_ok = true;
i2cFlags.INA230_MAX7300_gg_ok = true;
break;
#endif
#ifdef I2C_0x82
case 0x82:
pc.printf("%s\r\n", I2C_0x82);
break;
#endif
#ifdef I2C_0x84
case 0x84:
pc.printf("%s\r\n", I2C_0x84);
break;
#endif
#ifdef I2C_0x86
case 0x86:
pc.printf("%s\r\n", I2C_0x86);
break;
#endif
#ifdef I2C_0x88
case 0x88:
pc.printf("%s\r\n", I2C_0x88);
break;
#endif
#ifdef I2C_0x8A
case 0x8A:
pc.printf("%s\r\n", I2C_0x8A);
break;
#endif
#ifdef I2C_0x8C
case 0x8C:
pc.printf("%s\r\n", I2C_0x8C);
break;
#endif
#ifdef I2C_0x8E
case 0x8E:
pc.printf("%s\r\n", I2C_0x8E);
break;
#endif
//----------------------------------------
#ifdef I2C_0x90
case 0x90:
pc.printf("%s\r\n", I2C_0x90);
break;
#endif
#ifdef I2C_0x92
case 0x92:
pc.printf("%s\r\n", I2C_0x92);
break;
#endif
#ifdef I2C_0x94
case 0x94:
pc.printf("%s\r\n", I2C_0x94);
break;
#endif
#ifdef I2C_0x96
case 0x96:
pc.printf("%s\r\n", I2C_0x96);
break;
#endif
#ifdef I2C_0x98
case 0x98:
pc.printf("%s\r\n", I2C_0x98);
break;
#endif
#ifdef I2C_0x9A
case 0x9A:
pc.printf("%s\r\n", I2C_0x9A);
break;
#endif
#ifdef I2C_0x9C
case 0x9C:
pc.printf("%s\r\n", I2C_0x9C);
break;
#endif
#ifdef I2C_0x9E
case 0x9E:
pc.printf("%s\r\n", I2C_0x9E);
break;
#endif
//----------------------------------------
#ifdef I2C_0xA0
case 0xA0:
pc.printf("%s\r\n", I2C_0xA0);
i2cFlags.eeprom000_ok = true;
break;
#endif
#ifdef I2C_0xA2
case 0xA2:
pc.printf("%s\r\n", I2C_0xA2);
break;
#endif
#ifdef I2C_0xA4
case 0xA4:
pc.printf("%s\r\n", I2C_0xA4);
break;
#endif
#ifdef I2C_0xA6
case 0xA6:
pc.printf("%s\r\n", I2C_0xA6);
break;
#endif
#ifdef I2C_0xA8
case 0xA8:
pc.printf("%s\r\n", I2C_0xA8);
break;
#endif
#ifdef I2C_0xAA
case 0xAA:
pc.printf("%s\r\n", I2C_0xAA);
i2cFlags.bq27210_ok = true;
break;
#endif
#ifdef I2C_0xAC
case 0xAC:
pc.printf("%s\r\n", I2C_0xAC);
break;
#endif
#ifdef I2C_0xAE
case 0xAE:
pc.printf("%s\r\n", I2C_0xAE);
break;
#endif
//----------------------------------------
#ifdef I2C_0xB0
case 0xB0:
pc.printf("%s\r\n", I2C_0xB0);
break;
#endif
#ifdef I2C_0xB2
case 0xB2:
pc.printf("%s\r\n", I2C_0xB2);
break;
#endif
#ifdef I2C_0xB4
case 0xB4:
pc.printf("%s\r\n", I2C_0xB4);
i2cFlags.ccs811_0_ok = true;
break;
#endif
#ifdef I2C_0xB6
case 0xB6:
pc.printf("%s\r\n", I2C_0xB6);
i2cFlags.ccs811_1_ok = true;
break;
#endif
#ifdef I2C_0xB8
case 0xB8:
pc.printf("%s\r\n", I2C_0xB8);
break;
#endif
#ifdef I2C_0xBA
case 0xBA:
pc.printf("%s\r\n", I2C_0xBA);
break;
#endif
#ifdef I2C_0xBC
case 0xBC:
pc.printf("%s\r\n", I2C_0xBC);
break;
#endif
#ifdef I2C_0xBE
case 0xBE:
pc.printf("%s\r\n", I2C_0xBE);
break;
#endif
//----------------------------------------
#ifdef I2C_0xC0
case 0xC0:
pc.printf("%s\r\n", I2C_0xC0);
i2cFlags.mlx90620_ok = true;
//i2cFlags.PCA9955_GGG_ok = true;
break;
#endif
#ifdef I2C_0xC2
case 0xC2:
pc.printf("%s\r\n", I2C_0xC2);
i2cFlags.SCD30_ok = true;
break;
#endif
#ifdef I2C_0xC4
case 0xC4:
pc.printf("%s\r\n", I2C_0xC4);
break;
#endif
#ifdef I2C_0xC6
case 0xC6:
pc.printf("%s\r\n", I2C_0xC6);
break;
#endif
#ifdef I2C_0xC8
case 0xC8:
pc.printf("%s\r\n", I2C_0xC8);
break;
#endif
#ifdef I2C_0xCA
case 0xCA:
pc.printf("%s\r\n", I2C_0xCA);
break;
#endif
#ifdef I2C_0xCC
case 0xCC:
pc.printf("%s\r\n", I2C_0xCC);
break;
#endif
#ifdef I2C_0xCE
case 0xCE:
pc.printf("%s\r\n", I2C_0xCE);
break;
#endif
//----------------------------------------
#ifdef I2C_0xD0
case 0xD0:
pc.printf("%s\r\n", I2C_0xD0);
i2cFlags.rtcDS_ok = true;
break;
#endif
#ifdef I2C_0xD2
case 0xD2:
pc.printf("%s\r\n", I2C_0xD2);
break;
#endif
#ifdef I2C_0xD4
case 0xD4:
pc.printf("%s\r\n", I2C_0xD4);
break;
#endif
#ifdef I2C_0xD6
case 0xD6:
pc.printf("%s\r\n", I2C_0xD6);
break;
#endif
#ifdef I2C_0xD8
case 0xD8:
pc.printf("%s\r\n", I2C_0xD8);
break;
#endif
#ifdef I2C_0xDA
case 0xDA:
pc.printf("%s\r\n", I2C_0xDA);
break;
#endif
#ifdef I2C_0xDC
case 0xDC:
pc.printf("%s\r\n", I2C_0xDC);
break;
#endif
#ifdef I2C_0xDE
case 0xDE:
pc.printf("%s\r\n", I2C_0xDE);
i2cFlags.mcp7941x_ok = true;
break;
#endif
//----------------------------------------
#ifdef I2C_0xE0
case 0xE0:
pc.printf("%s\r\n", I2C_0xE0);
break;
#endif
#ifdef I2C_0xE2
case 0xE2:
pc.printf("%s\r\n", I2C_0xE2);
break;
#endif
#ifdef I2C_0xE4
case 0xE4:
pc.printf("%s\r\n", I2C_0xE4);
break;
#endif
#ifdef I2C_0xE6
case 0xE6:
pc.printf("%s\r\n", I2C_0xE6);
break;
#endif
#ifdef I2C_0xE8
case 0xE8:
pc.printf("%s\r\n", I2C_0xE8);
break;
#endif
#ifdef I2C_0xEA
case 0xEA:
pc.printf("%s\r\n", I2C_0xEA);
break;
#endif
#ifdef I2C_0xEC
case 0xEC:
pc.printf("%s\r\n", I2C_0xEC);
i2cFlags.bme280_cs0_ok = true;
break;
#endif
#ifdef I2C_0xEE
case 0xEE:
pc.printf("%s\r\n", I2C_0xEE);
i2cFlags.ms5611_ok = true;
i2cFlags.bme280_cs1_ok = true;
break;
#endif
//----------------------------------------
#ifdef I2C_0xF0
case 0xF0:
pc.printf("%s\r\n", I2C_0xF0);
break;
#endif
#ifdef I2C_0xF2
case 0xF2:
pc.printf("%s\r\n", I2C_0xF2);
break;
#endif
#ifdef I2C_0xF4
case 0xF4:
pc.printf("%s\r\n", I2C_0xF4);
break;
#endif
#ifdef I2C_0xF6
case 0xF6:
pc.printf("%s\r\n", I2C_0xF6);
break;
#endif
#ifdef I2C_0xF8
case 0xF8:
pc.printf("%s\r\n", I2C_0xF8);
break;
#endif
#ifdef I2C_0xFA
case 0xFA:
pc.printf("%s\r\n", I2C_0xFA);
break;
#endif
#ifdef I2C_0xFC
case 0xFC:
pc.printf("%s\r\n", I2C_0xFC);
break;
#endif
#ifdef I2C_0xFE
case 0xFE:
pc.printf("%s\r\n", I2C_0xFE);
break;
#endif
//----------------------------------------
default:
pc.printf("%sunknown%s\r\n", DOMAGENTA, DONONE);
break;
}
return(0);
}
//------------------------------------------------------------------------------
// Clear I2C device flags
void i2c_discovery::clearFlags(i2cDeviceFlags& i2cFlags) {
i2cFlags.rtcDS_ok = false;
i2cFlags.ms5611_ok = false;
i2cFlags.bme280_cs0_ok = false;
i2cFlags.bme280_cs1_ok = false;
i2cFlags.mma8451cs1_ok = false;
i2cFlags.HTU21D_ok = false;
i2cFlags.PCA9955_GGG_ok = false;
i2cFlags.VEML60xx_ok = false;
i2cFlags.VEML6070_ok = false;
i2cFlags.eeprom000_ok = false;
i2cFlags.INA219_MAX7300_gg_ok = false;
i2cFlags.INA230_MAX7300_gg_ok = false;
i2cFlags.bq27210_ok = false;
i2cFlags.SCD30_ok = false;
i2cFlags.ccs811_0_ok = false;
i2cFlags.ccs811_1_ok = false;
i2cFlags.mcp7941x_ok = false;
}
//------------------------------------------------------------------------------
// Detect I2C device chain. If i2c chain > 1, return illegal number 255. Else,
// return the total number of i2c devices detected
int i2c_discovery::dispI2C(i2cDeviceFlags& i2cFlags) {
//i2c_discovery::clearFlags(i2cFlags);
int count = 0;
for (int address = 2; address < 256; address +=2) {
char xBuf[2] = { 0, 0 };
int x2c = _i2c.write(address, xBuf, 1, false);
if(x2c == 0) {
pc.printf(" - i2c device found at address 0x%02X %s", address, DOBLUE);
showI2C(i2cFlags, address);
pc.printf("%s", DONONE);
count++;
}
}
return(count);
}
//------------------------------------------------------------------------------
// Detect I2C device chain
int i2c_discovery::find_i2c(i2cDeviceFlags& i2cFlags) {
pc.printf("Searching for devices on i2c bus...\n");
int count = dispI2C(i2cFlags);
pc.printf(" - %s%2d%s device(s) found on i2c bus\n", DOBLUE, count, DONONE);
return(count);
}