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| author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-12-30 20:45:56 +0000 |
|---|---|---|
| committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-12-30 20:45:56 +0000 |
| commit | 2234fd3e31d4ce6e2b3990340b52719951e65731 (patch) | |
| tree | 3d8dadab8ab98a46ab2f98ed0b94d648e86ce837 /testhal/STM32F1xx/I2C/tmp75.c | |
| parent | 08feb80580ca82cfebd77a43d14d1197ec7c4f99 (diff) | |
| download | ChibiOS-2234fd3e31d4ce6e2b3990340b52719951e65731.tar.gz ChibiOS-2234fd3e31d4ce6e2b3990340b52719951e65731.tar.bz2 ChibiOS-2234fd3e31d4ce6e2b3990340b52719951e65731.zip | |
I2C. API changes mostly done.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3692 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32F1xx/I2C/tmp75.c')
| -rw-r--r-- | testhal/STM32F1xx/I2C/tmp75.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/testhal/STM32F1xx/I2C/tmp75.c b/testhal/STM32F1xx/I2C/tmp75.c index 23410843f..9d41e0a0f 100644 --- a/testhal/STM32F1xx/I2C/tmp75.c +++ b/testhal/STM32F1xx/I2C/tmp75.c @@ -45,11 +45,17 @@ static i2cflags_t errors = 0; /* This is main function. */
void request_temperature(void){
int16_t t_int = 0, t_frac = 0;
+ msg_t status = RDY_OK;
+ systime_t tmo = MS2ST(4);
i2cAcquireBus(&I2CD1);
- i2cMasterReceive(&I2CD1, tmp75_addr, tmp75_rx_data, 2, &errors, TIME_INFINITE);
+ status = i2cMasterReceiveTimeout(&I2CD1, tmp75_addr, tmp75_rx_data, 2, tmo);
i2cReleaseBus(&I2CD1);
+ if (status != RDY_OK){
+ errors = i2cGetErrors(&I2CD1);
+ }
+
t_int = tmp75_rx_data[0] * 100;
t_frac = (tmp75_rx_data[1] * 100) >> 8;
temperature = t_int + t_frac;
|