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I2c-compass.cpp: fix example to use HMC5883L_CONT_MODE

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-06-18 09:59:00 +01:00
parent 4c9b7a2208
commit 84d1e3ba25
1 changed files with 11 additions and 4 deletions
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15
examples/c++/I2c-compass.cpp
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@@ -86,25 +86,32 @@ void
sig_handler(int signo) sig_handler(int signo)
{ {
if (signo == SIGINT) { if (signo == SIGINT) {
printf("closing PWM nicely\n"); printf("closing nicely\n");
running = -1; running = -1;
} }
} }
int main () int main ()
{ {
//! [Interesting]
maa::I2c* i2c;
i2c = new maa::I2c(0);
float direction = 0; float direction = 0;
int16_t x = 0, y = 0, z = 0; int16_t x = 0, y = 0, z = 0;
uint8_t rx_tx_buf[MAX_BUFFER_LENGTH]; uint8_t rx_tx_buf[MAX_BUFFER_LENGTH];
//! [Interesting]
maa::I2c* i2c;
i2c = new maa::I2c(0);
i2c->address(HMC5883L_I2C_ADDR); i2c->address(HMC5883L_I2C_ADDR);
rx_tx_buf[0] = HMC5883L_CONF_REG_B; rx_tx_buf[0] = HMC5883L_CONF_REG_B;
rx_tx_buf[1] = GA_1_3_REG; rx_tx_buf[1] = GA_1_3_REG;
i2c->write(rx_tx_buf, 2); i2c->write(rx_tx_buf, 2);
//! [Interesting] //! [Interesting]
i2c->address(HMC5883L_I2C_ADDR);
rx_tx_buf[0] = HMC5883L_MODE_REG;
rx_tx_buf[1] = HMC5883L_CONT_MODE;
i2c->write(rx_tx_buf, 2);
signal(SIGINT, sig_handler); signal(SIGINT, sig_handler);
while (running == 0) { while (running == 0) {