I2C. Driver looks working, but sometimes hangs up. I don't know, my big project cause troubles in it, or driver cause troubles in my project.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@3116 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 3 insertions, 5 deletions

diff --git a/testhal/STM32/I2C/tmp75.c b/testhal/STM32/I2C/tmp75.c
index 0833e47c1..6276e7c8e 100644
--- a/testhal/STM32/I2C/tmp75.c
+++ b/testhal/STM32/I2C/tmp75.c
@@ -14,7 +14,6 @@
 

 /* input buffer */

 static i2cblock_t tmp75_rx_data[TMP75_RX_DEPTH];

-static i2cblock_t tmp75_tx_data[TMP75_TX_DEPTH];

 /* temperature value */

 static int16_t temperature = 0;

 

@@ -29,16 +28,15 @@ static void i2c_tmp75_error_cb(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg){
 /* This callback raise up when transfer finished */

 static void i2c_tmp75_cb(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg){

   (void)*i2cp;

+  (void)*i2cscfg;

   /* store temperature value */

-  temperature = (i2cscfg->rxbuf[0] << 8) + i2cscfg->rxbuf[1];

+  temperature = (tmp75_rx_data[0] << 8) + tmp75_rx_data[1];

 }

 

 /* Fill TMP75 config. */

 static const I2CSlaveConfig tmp75 = {

     i2c_tmp75_cb,

     i2c_tmp75_error_cb,

-    tmp75_rx_data,

-    tmp75_tx_data,

 };

 

 #define tmp75_addr 0b1001000

@@ -49,7 +47,7 @@ void request_temperature(void){
 #define RXBYTES 2  /* we need to read 2 bytes */

 

   i2cAcquireBus(&I2CD2);

-  i2cMasterReceive(&I2CD2, &tmp75, tmp75_addr, RXBYTES);

+  i2cMasterReceive(&I2CD2, &tmp75, tmp75_addr, tmp75_rx_data, RXBYTES);

   i2cReleaseBus(&I2CD2);

 }