版上的前輩您好，
這是透過MSP430G2553，搭配使用FDC2212的電容轉數位訊號IC。
BCSCTL1 = CALBC1_8MHZ; //
DCOCTL = CALDCO_8MHZ; //
期待獲得
拜託前輩大神給予方向指導，感謝!
版上的前輩您好，
這是透過MSP430G2553，搭配使用FDC2212的電容轉數位訊號IC。
BCSCTL1 = CALBC1_8MHZ; //
DCOCTL = CALDCO_8MHZ; //
期待獲得
拜託前輩大神給予方向指導，感謝!
Dear Susan,
圖二的資料鏈接為www.ti.com/.../tidud21.pdf page 23。
我所參考的文件就是這份，MCU:msp430g2553, IC:FDC2212，通訊I2C。
Graphic設定如下，還懇請教導
/*** USCI master library ************************************************************
In this file the usage of the USCI I2C master library without DMA support is
shown. This library uses pointers to specify what data is to be sent.
When calling the TI_USCI_I2C_receive or TI_USCI_I2C_transmit routines
the number of bytes, which are to be transmitted or received have to be passed as
well as a pointer to a data field, that contains(or stores) the data.
This code checks if there is a slave with address 0x50 is connected to the I2C
bus and if the slave device is present, bytes are received and transmitted.
Uli Kretzschmar
MSP430 Systems
Freising
Added FDC2212-Q1 code for TIDA-01409 Capacitive Kick-to-Open Reference Design
*******************************************************************************/
#include "msp430g2553.h"
#include "TI_USCI_I2C_master.h"
#define DATA_CH0_MSB_REG 0x00
#define DATA_CH0_LSB_REG 0x01
#define DATA_CH1_MSB_REG 0x02
#define DATA_CH1_LSB_REG 0x03
///#define ISPEED 0x3F
#define ISPEED 63
//#define ISPEED 12
#define MARGIN 50000
signed char byteCtr;
signed char Alive=0;
signed char zero_flag=0;
unsigned char *TI_receive_field;
unsigned char *TI_transmit_field;
unsigned char timercounter;
unsigned char array[3] = {0x00, 0x00, 0x00 };
unsigned char store[10] = { 0xff, 0xff };
unsigned char LSB_Channel_0[2] = { 0x0, 0x0};
unsigned char MSB_Channel_0[2] = { 0x0, 0x1};
unsigned char LSB_Channel_1[2] = { 0x0, 0x2};
unsigned char MSB_Channel_1[2] = { 0x0, 0x3};
unsigned char MUX_CNFG[2] = {0x00,0x00};
unsigned char RCOUNT_0[2] = {'R','0'};
unsigned char RCOUNT_1[2] = {'R','1'};
unsigned char SCOUNT_0[2] = {'S','0'};
unsigned char SCOUNT_1[2] = {'S','0'};
unsigned char IDRIVE_0[3] = {0x1E,0x78,0x00};
unsigned char IDRIVE_1[3] = {0x1F,0x78,0x00};
unsigned char CK_DIV_0[2] = {'C','D'};
unsigned char CK_DIV_1[2] = {'c','d'};
unsigned char ERR_CNFG[2] = {'E','C'};
unsigned char CONFIG[2] = {'C','F'};
unsigned short DataChannel_0_MSB ;
unsigned short DataChannel_0_LSB ;
unsigned long DataChannel_0 ;
unsigned short DataChannel_1_MSB=0 ;
unsigned short DataChannel_1_LSB=0;
unsigned long DataChannel_1 ;
unsigned long Measurement1;
unsigned long Measurement2;
unsigned long Measurement3;
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WatchDogTimer
// Set up the GPIO pins for the TIDA-01409 board
P1DIR |= BIT1; // P1.1 is an output (unused pin)
P1DIR |= BIT4; // P1.4 is an output (Shutdown) -> FDC2212 Pin6 SD
P1OUT &= ~BIT4; // Set P1.4 low so Shutdown is LOW
P1DIR |= BIT2; // P1.2 is an output (ADDR)
P1OUT &= ~BIT2; // Set P1.2 low so ADDR is LOW and FDC2212 address is 0x2a, -> FDC2212 Pin4 ADDR
// P1OUT |= BIT2; // Set P1.2 high so ADDR is HIGH and FDC2212 address is 0x2b
P2DIR |= BIT1; // Set P2.1 as an output, Green Led
P2DIR |= BIT2; // Set P2.2 as an output, Red Led
// P2DIR |= BIT5; // Set P2.5 as an output,
// P2OUT |= BIT5; // Set P2.5 high to pull up SDA and SCL
BCSCTL1 = CALBC1_8MHZ; //
DCOCTL = CALDCO_8MHZ; //
// BCSCTL1 = CALBC1_1MHZ; //
// DCOCTL = CALDCO_1MHZ; //
_EINT(); // Enable interrupts
// Prepare to write to the FDC2212-Q1 registers
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED); // init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
Alive=TI_USCI_I2C_slave_present(0x2a);
// Write to the RCOUNT registers for Channel 0 and Channel 1
array[0] = 0x08; array[1]=0xff; array[2]= 0xff; // RCOUNT = ffff
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array
__delay_cycles(2000);
array[0] = 0x09; array[1]=0xff; array[2]= 0xff; // RCOUNT = ffff, register address for RCOUNT_CH1
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array, consisting of the register address plus two data bytes
__delay_cycles(2000);
// Write to the ERROR_CONFIG register
array[0] = 0x19; array[1]=0x00; array[2]= 0x01; // disable all the error reports, enable the data flag interr
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array
__delay_cycles(2000);
// Write to the SETTLECOUNT registers
array[0] = 0x10; array[1]=0x00; array[2]= 0x0A; // SETTLECOUNT = 000A
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array
__delay_cycles(2000);
array[0] = 0x11; array[1]=0x00; array[2]= 0x0A; // SETTLECOUNT = 000A, register address for SETTLECOUNT_CH1
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array (register address plus two data bytes)
__delay_cycles(2000);
// Write to the CLOCK_DIVIDERS registers
array[0] = 0x14; array[1]=0x20; array[2]= 0x01; // CLOCK_DIVIDERS FIN_SEL=2, FREF_DIVIDER=1
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array
__delay_cycles(2000);
array[0] = 0x15; array[1]=0x20; array[2]= 0x01; // CLOCK_DIVIDERS FIN_SEL=2, FREF_DIVIDER=1,register address for CLOCK_DIVIDERS_CH1
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array (register address plus two data bytes)
__delay_cycles(2000);
// Write to the DRIVE_CURRENT registers
array[0] = 0x1E; array[1]=0x78; array[2]= 0x00; // see current drive table p.36 of FDC2212-Q1 datasheet
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,IDRIVE_0); // transmit the first three bytes from array
__delay_cycles(2000);
array[0] = 0x1F; array[1]=0x78; array[2]= 0x00; // register address for DRIVE_CURRENT_CH1
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,IDRIVE_1); // transmit the first three bytes from array (register address plus two data bytes)
__delay_cycles(2000);
// Write to the MUX_CONFIG register
array[0] = 0x1B; array[1]=0x82; array[2]= 0x0D; // see p.35 of FDC2212-Q1 datasheet
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array
__delay_cycles(2000);
// Write to the CONFIG register // Last of the set-up write commands
array[0] = 0x1A; array[1]=0x5e; array[2]= 0x01; // see p.34 of FDC2212-Q1 datasheet
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(3,array); // transmit the first three bytes from array
__delay_cycles(2000);
// Read the CONFIG_MUX register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x1B; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MUX_CNFG); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the RCOUNT_0 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x08; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,RCOUNT_0); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the RCOUNT_1 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x09; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,RCOUNT_1); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the SCOUNT_0 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x10; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,SCOUNT_0); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the SCOUNT_1 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x11; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,SCOUNT_1); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the IDRIVE_0 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x1E; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,&IDRIVE_0[1]); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the IDRIVE_1 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x1F; // register for Device ID
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,&IDRIVE_1[1]); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the CLOCK_DIVIDERS_CH0 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x14; // register for CLOCK_DIVIDERS_CH0
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,CK_DIV_0); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the CLOCK_DIVIDERS_CH1 register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x15; // register for CLOCK_DIVIDERS_CH0
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,CK_DIV_1); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the ERROR_CONFIG register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x19; // register for ERROR_CONFIG
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,ERR_CNFG); // receive 2 bytes from slave
__delay_cycles(2000);
// Read the CONFIG register
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a
array[0] = 0x1a; // register for CONFIG
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,CONFIG); // receive 2 bytes from slave
__delay_cycles(2000);
// begin the looping
for(;;){
// Measurement 1 ************
P2OUT &= ~BIT1; // Turn off the Green LED
P2OUT |= BIT2; // Turn on the RED LED
__delay_cycles(10000000);
// Read the MSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x02; // register for DATA_CH1 MSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_MSB = MSB_Channel_1[0] * 256 + MSB_Channel_1[1];
// Read the LSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x03; // register for DATA_CH1_LSB LSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,LSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_LSB = LSB_Channel_1[0] * 256 + LSB_Channel_1[1];
// DataChannel_0 = DataChannel_0_MSB * 65536 + DataChannel_0_LSB ;
// DataChannel_1 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
Measurement1 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
// Read the MSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x02; // register for DATA_CH1 MSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_MSB = MSB_Channel_1[0] * 256 + MSB_Channel_1[1];
// Read the LSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x03; // register for DATA_CH1_LSB LSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,LSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_LSB = LSB_Channel_1[0] * 256 + LSB_Channel_1[1];
// DataChannel_0 = DataChannel_0_MSB * 65536 + DataChannel_0_LSB ;
// DataChannel_1 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
Measurement1 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
/*
// Measurement 2 ************
P2OUT &= ~BIT2; // Turn off the Red LED
__delay_cycles(10000000);
P2OUT |= BIT1; // Turn on the Green LED
__delay_cycles(10000000);
// Read the MSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x02; // register for DATA_CH0 MSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_MSB = MSB_Channel_1[0] * 256 + MSB_Channel_1[1];
// Read the LSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x03; // register for DATA_CH0_LSB LSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,LSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_LSB = LSB_Channel_1[0] * 256 + LSB_Channel_1[1];
Measurement2 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
// Read the MSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x02; // register for DATA_CH0 MSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_MSB = MSB_Channel_1[0] * 256 + MSB_Channel_1[1];
// Read the LSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x03; // register for DATA_CH0_LSB LSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,LSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_LSB = LSB_Channel_1[0] * 256 + LSB_Channel_1[1];
// DataChannel_0 = DataChannel_0_MSB * 65536 + DataChannel_0_LSB ;
Measurement2 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
// Measurement2 = DataChannel_1;
P2OUT &= ~BIT1;
P2OUT &= ~BIT2;
__delay_cycles(10000000);
// Measurement 3 ************
P2OUT |= BIT1; // Turn on the Green LED
P2OUT |= BIT2; // Turn on the RED LED
__delay_cycles(10000000);
// Read the MSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x02; // register for DATA_CH0 MSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_MSB = MSB_Channel_1[0] * 256 + MSB_Channel_1[1];
// Read the LSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x03; // register for DATA_CH0_LSB LSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,LSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_LSB = LSB_Channel_1[0] * 256 + LSB_Channel_1[1];
// DataChannel_0 = DataChannel_0_MSB * 65536 + DataChannel_0_LSB ;
Measurement3 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
// Measurement3 = DataChannel_1;
P2OUT |= BIT1; // Turn on the Green LED
P2OUT |= BIT2; // Turn on the RED LED
// __delay_cycles(10000000);
// Read the MSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x02; // register for DATA_CH0 MSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,MSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_MSB = MSB_Channel_1[0] * 256 + MSB_Channel_1[1];
// Read the LSB of Channel 1 Data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmitinit(0x2a,ISPEED);// init transmitting to slave 2a with baud rate SMCLK / 3f (3f = 63) that is, 8 MHz / 63 = 126 kHz
array[0] = 0x03; // register for DATA_CH0_LSB LSB of channel 1 data
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_transmit(1,array); // transmit the first byte from array
__delay_cycles(2000);
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receiveinit(0x2a,ISPEED); // init receiving with USCI
while ( TI_USCI_I2C_notready() ); // wait for bus to be free
TI_USCI_I2C_receive(2,LSB_Channel_1); // receive 2 bytes from FDC
__delay_cycles(2000);
DataChannel_1_LSB = LSB_Channel_1[0] * 256 + LSB_Channel_1[1];
// DataChannel_0 = DataChannel_0_MSB * 65536 + DataChannel_0_LSB ;
Measurement3 = DataChannel_1_MSB * 65536 + DataChannel_1_LSB ;
// Measurement3 = DataChannel_1;
P2OUT &= ~BIT1; // turn off Green LED
P2OUT &= ~BIT2; // turn off Red LED
__delay_cycles(5000000);
if((Measurement1 > (Measurement2 + MARGIN)) && (Measurement3 > (Measurement2 + MARGIN)))
{
P2OUT |= BIT1;//red
__delay_cycles(2000000);
P2OUT &= ~BIT1;
__delay_cycles(2000000);
P2OUT |= BIT1;
__delay_cycles(2000000);
P2OUT &= ~BIT1;
__delay_cycles(2000000);
P2OUT |= BIT1;
__delay_cycles(2000000);
P2OUT &= ~BIT1;
__delay_cycles(2000000);
P2OUT |= BIT1;
__delay_cycles(2000000);
P2OUT &= ~BIT1;
__delay_cycles(2000000);
}
else
{
P2OUT |= BIT2;//green
__delay_cycles(2000000);
P2OUT &= ~BIT2;
__delay_cycles(2000000);
P2OUT |= BIT2;
__delay_cycles(2000000);
P2OUT &= ~BIT2;
__delay_cycles(2000000);
P2OUT |= BIT2;
__delay_cycles(2000000);
P2OUT &= ~BIT2;
__delay_cycles(2000000);
P2OUT |= BIT2;
__delay_cycles(2000000);
P2OUT &= ~BIT2;
__delay_cycles(2000000);
} // end of if-else loop
__delay_cycles(3000000);*/
} // end of for loop
LPM3; // low power mode 3
}
