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I2C. Minor changes in testhals. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3743 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
barthess 2012-01-05 17:51:00 +00:00
parent 5b8b005cbd
commit b109cacb8a
3 changed files with 17 additions and 3 deletions
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2
testhal/STM32F1xx/I2C/Makefile
View File

@ -31,7 +31,7 @@ endif
# Enable this if you want to see the full log while compiling. # Enable this if you want to see the full log while compiling.
ifeq ($(USE_VERBOSE_COMPILE),) ifeq ($(USE_VERBOSE_COMPILE),)
USE_VERBOSE_COMPILE = yes USE_VERBOSE_COMPILE = no
endif endif
# #

4
testhal/STM32F1xx/I2C/main.c
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@ -17,6 +17,10 @@
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
/*
Concepts and parts of this file have been contributed by Uladzimir Pylinsky
aka barthess.
*/
#include <stdlib.h> #include <stdlib.h>

14
testhal/STM32F4xx/I2C/main.c
View File

@ -22,6 +22,10 @@
aka barthess. aka barthess.
*/ */
/**
* This demo acquire data from accelerometer and prints it in shell.
*/
#include <stdlib.h> #include <stdlib.h>
#include "ch.h" #include "ch.h"
@ -103,6 +107,7 @@ int16_t complement2signed(uint8_t msb, uint8_t lsb){
*/ */
int main(void) { int main(void) {
msg_t status = RDY_OK; msg_t status = RDY_OK;
systime_t tmo = MS2ST(4);
/* /*
* System initializations. * System initializations.
@ -135,18 +140,23 @@ int main(void) {
txbuf[0] = ACCEL_CTRL_REG1; /* register address */ txbuf[0] = ACCEL_CTRL_REG1; /* register address */
txbuf[1] = 0x1; txbuf[1] = 0x1;
i2cAcquireBus(&I2CD2); i2cAcquireBus(&I2CD2);
i2cMasterTransmitTimeout(&I2CD2, mma8451_addr, txbuf, 2, rxbuf, 0, TIME_INFINITE); status = i2cMasterTransmitTimeout(&I2CD2, mma8451_addr, txbuf, 2, rxbuf, 0, tmo);
i2cReleaseBus(&I2CD2); i2cReleaseBus(&I2CD2);
if (status != RDY_OK){
errors = i2cGetErrors(&I2CD2);
}
/* /*
* Normal main() thread activity, nothing in this test. * Normal main() thread activity, nothing in this test.
*/ */
while (TRUE) { while (TRUE) {
palTogglePad(GPIOB, GPIOB_LED_B);
chThdSleepMilliseconds(100); chThdSleepMilliseconds(100);
txbuf[0] = ACCEL_OUT_DATA; /* register address */ txbuf[0] = ACCEL_OUT_DATA; /* register address */
i2cAcquireBus(&I2CD2); i2cAcquireBus(&I2CD2);
status = i2cMasterTransmitTimeout(&I2CD2, mma8451_addr, txbuf, 1, rxbuf, 6, TIME_INFINITE); status = i2cMasterTransmitTimeout(&I2CD2, mma8451_addr, txbuf, 1, rxbuf, 6, tmo);
i2cReleaseBus(&I2CD2); i2cReleaseBus(&I2CD2);
if (status != RDY_OK){ if (status != RDY_OK){