I2C. Added template of synchronouse deriver. It does not work for a moment.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@3190 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 6276e7c8e..72e634527 100644
--- a/testhal/STM32/I2C/tmp75.c
+++ b/testhal/STM32/I2C/tmp75.c
@@ -14,6 +14,7 @@
 

 /* input buffer */

 static i2cblock_t tmp75_rx_data[TMP75_RX_DEPTH];

+

 /* temperature value */

 static int16_t temperature = 0;

 

@@ -30,7 +31,6 @@ static void i2c_tmp75_cb(I2CDriver *i2cp, const I2CSlaveConfig *i2cscfg){
   (void)*i2cp;

   (void)*i2cscfg;

   /* store temperature value */

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

 }

 

 /* Fill TMP75 config. */

@@ -43,12 +43,10 @@ static const I2CSlaveConfig tmp75 = {
 

 /* This is main function. */

 void request_temperature(void){

-#define TXBYTES 0  /* set to zero because we need only reading */

-#define RXBYTES 2  /* we need to read 2 bytes */

-

   i2cAcquireBus(&I2CD2);

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

+  i2cMasterReceive(&I2CD2, &tmp75, tmp75_addr, tmp75_rx_data, 2);

   i2cReleaseBus(&I2CD2);

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

 }