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The one with the new HK
Fork of BAE_vr2_1_1 by
Diff: slave.cpp
- Revision:
- 12:ba2556c6b990
- Parent:
- 11:cf6dac5fdc23
--- a/slave.cpp Tue Dec 16 10:17:49 2014 +0000 +++ b/slave.cpp Tue Dec 16 11:07:33 2014 +0000 @@ -1,129 +0,0 @@ -#include "mbed.h" -#include "rtos.h" -#include "slave.h" - -void write_to_master(char); //function to write data to master - -I2CSlave slave(D14,D15); //configuring pins p27, p28 as I2Cslave - -Serial pcslave(USBTX, USBRX); -DigitalOut data_ready(D10); -int i2c_status=0; //read/write mode for i2c 0 : write2slave, 1 : write2master -int reset=0; -int temp; - -typedef struct -{ - char data[13]; // To avoid dynamic memory allocation - int length; -}i2c_data; - - - - - - -Mail<i2c_data,16> i2c_data_receive; -Mail<i2c_data,16> i2c_data_send; - - -void FUNC_I2C_WRITE2CDMS(char *data, int length=1) -{ - int slave_status = 1; - - while(slave_status) - { - slave.address(0x20); - if(slave.receive()==1) - { - slave_status=slave.write(data,length); - - - } - else if(slave.receive()==3 || slave.receive()==2) - { - slave_status=slave.read(data,length); - } - - } - printf("\ndone\n\r"); - -} -char data_send[13],data_receive[13]; -void T_I2C_BAE() -{ - //char data_send,data_receive; - //while(1) - //{ - // Thread::signal_wait(0x1); - //i2c_status = temp; - //wait(0.5); - printf("\n entered thread %d\n\r",i2c_status); - if(i2c_status == 0 && reset !=1) - { - - FUNC_I2C_WRITE2CDMS(data_receive,13); - i2c_data * i2c_data_r = i2c_data_receive.alloc(); - strcpy(i2c_data_r->data,data_receive); - i2c_data_r->length = 13; - i2c_data_receive.put(i2c_data_r); - printf("\n Data received from CDMS is %s \n\r",data_receive); - i2c_data_receive.free(i2c_data_r); // This has to be done from a differen thread - - } - else if(i2c_status ==1 && reset !=1) - { - osEvent evt = i2c_data_send.get(); - if (evt.status == osEventMail) - { - i2c_data *i2c_data_s = (i2c_data*)evt.value.p; - strcpy(data_send,i2c_data_s -> data); - FUNC_I2C_WRITE2CDMS(data_send,13); - printf("\nData sent to CDMS is %s\n\r",data_send); - i2c_data_send.free(i2c_data_s); - i2c_status = 0; - //temp = i2c_status; - - } - } - - //} -} - - - -void FUNC_INT() -{ - reset = 0; - - -} - -void FUNC_RESET() -{ - reset = 1; -} - -void ir2master() -{ - - char data[13]; - strcpy(data,"sakthi "); - strcat(data,"priya"); - data_ready=0; - //data = pcslave.getc(); - reset =0; - i2c_status=1; - i2c_data * i2c_data_s = i2c_data_send.alloc(); - strcpy(i2c_data_s->data,data); - i2c_data_s->length = 13; - i2c_data_send.put(i2c_data_s); - data_ready=1; - //temp = i2c_status; -} - - - - - -