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  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Fri Jan 14, 2011 5:47 pm   Subject: MSP430 MASTER - PIC 16F876A SLAVE
Nothing on that Ttelmah?
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Fri Jan 14, 2011 9:14 am   Subject: MSP430 MASTER - PIC 16F876A SLAVE
That worked, the #INT_SSP works but after a lot of time. I have a timer that sends I2C address and data every 1 second and it takes time for the interrupt to happen. I've tried 1.8K , 2.4K and 10K res ...
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Thu Jan 13, 2011 4:32 pm   Subject: MSP430 MASTER - PIC 16F876A SLAVE
The MSP430 sends this. But why I can't see an interrupt happening? Every command I add to #INT_SSP doesn't get executed.
What's the reason that INT_SSP doesn't work even though with the same connect ...
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Thu Jan 13, 2011 3:13 pm   Subject: MSP430 MASTER - PIC 16F876A SLAVE

async command void HplI2C.setTransmitMode() { I2CTCTL |= I2CTRX; }
async command void HplI2C.setSlaveAddress( uint16_t addr ) { I2CSA = addr; }
async command vo ...
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Thu Jan 13, 2011 2:53 pm   Subject: MSP430 MASTER - PIC 16F876A SLAVE

typedef struct {
241 unsigned int i2cstt: 1; // I2CSTT Bit 0 START bit. (0=No action; 1=Send START condition)
242 unsigned int i2cstp: 1; // I2CSTP Bit 1 STOP bit. (0= ...
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Thu Jan 13, 2011 2:13 pm   Subject: MSP430 MASTER - PIC 16F876A SLAVE
It's written in a different programming language called nesC in tinyOS environment.
This program is written in high-level, I don't use the low-level programming of the MSP430. I've used this site htt ...
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Thu Jan 13, 2011 9:55 am   Subject: MSP430 MASTER - PIC 16F876A SLAVE
Well, I bought 1K8 and 2.2K resistors. Tried again, fixed the code as you see above and I would like to mention some things, if you can help me.
I've tested the PIC as master on the PCF 8574 and it w ...
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Wed Jan 12, 2011 8:16 am   Subject: MSP430 MASTER - PIC 16F876A SLAVE
do you think there is a problem in the code? or the code is fine?
and something else, what about the address? i can use whatever address i want? on the slave mode?
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Wed Jan 12, 2011 7:49 am   Subject: MSP430 MASTER - PIC 16F876A SLAVE
i have 10k resistors on SDA and SCK with 3.3V.
The pins C3 and C4 are connected.
  Topic: MSP430 MASTER - PIC 16F876A SLAVE
stelios1988

Replies: 17
Views: 24185

PostForum: General CCS C Discussion   Posted: Wed Jan 12, 2011 6:37 am   Subject: MSP430 MASTER - PIC 16F876A SLAVE
Hello again guys. New post because its another subject.

I have a TelosB mote (functioning with the MSP430 microprocessor) and successfully drive leds with the PCF8574 IC with I2C.(all this with tin ...
  Topic: Moway pic16f876a with telosb mote
stelios1988

Replies: 4
Views: 7017

PostForum: General CCS C Discussion   Posted: Mon Jan 10, 2011 12:00 pm   Subject: Moway pic16f876a with telosb mote
The pic16f876a has only 2 SDA/SCK output pins. So the option I have is to share the pins for slave/master mode. Can I do that?
Stelios
  Topic: Moway pic16f876a with telosb mote
stelios1988

Replies: 4
Views: 7017

PostForum: General CCS C Discussion   Posted: Mon Jan 10, 2011 10:24 am   Subject: Moway pic16f876a with telosb mote
Thanks for the fast reply.
So I must learn how to use the #use i2c correctly and this can be done?
  Topic: Moway pic16f876a with telosb mote
stelios1988

Replies: 4
Views: 7017

PostForum: General CCS C Discussion   Posted: Mon Jan 10, 2011 8:55 am   Subject: Moway pic16f876a with telosb mote
Hello guys. First post in here. For educational purpose I must connect a wireless sensor mote with the moway robot that works with pic16f876a. The mote has msp430 microprocessor. The moway robot conne ...
 
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