From b109cacb8af5ec7f4ca9bb96b190b96ed21f1c97 Mon Sep 17 00:00:00 2001 From: barthess Date: Thu, 5 Jan 2012 17:51:00 +0000 Subject: I2C. Minor changes in testhals. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3743 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32F4xx/I2C/main.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'testhal/STM32F4xx') diff --git a/testhal/STM32F4xx/I2C/main.c b/testhal/STM32F4xx/I2C/main.c index 5cb616e8c..10042fee9 100644 --- a/testhal/STM32F4xx/I2C/main.c +++ b/testhal/STM32F4xx/I2C/main.c @@ -22,6 +22,10 @@ aka barthess. */ +/** + * This demo acquire data from accelerometer and prints it in shell. + */ + #include #include "ch.h" @@ -103,6 +107,7 @@ int16_t complement2signed(uint8_t msb, uint8_t lsb){ */ int main(void) { msg_t status = RDY_OK; + systime_t tmo = MS2ST(4); /* * System initializations. @@ -135,18 +140,23 @@ int main(void) { txbuf[0] = ACCEL_CTRL_REG1; /* register address */ txbuf[1] = 0x1; i2cAcquireBus(&I2CD2); - i2cMasterTransmitTimeout(&I2CD2, mma8451_addr, txbuf, 2, rxbuf, 0, TIME_INFINITE); + status = i2cMasterTransmitTimeout(&I2CD2, mma8451_addr, txbuf, 2, rxbuf, 0, tmo); i2cReleaseBus(&I2CD2); + if (status != RDY_OK){ + errors = i2cGetErrors(&I2CD2); + } + /* * Normal main() thread activity, nothing in this test. */ while (TRUE) { + palTogglePad(GPIOB, GPIOB_LED_B); chThdSleepMilliseconds(100); txbuf[0] = ACCEL_OUT_DATA; /* register address */ 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); if (status != RDY_OK){ -- cgit v1.2.3