int stm32_adc_setup(void)
{
static bool initialized = false;
uint8_t channel[1] = {10};
struct adc_dev_s *adc;
int rv;
if (initialized)
{
return OK;
}
ainfo("INFO: Initializing ADC12_IN10\n");
stm32_configgpio(GPIO_ADC12_IN10);
if ((adc = stm32_adcinitialize(1, channel, 1)) == NULL)
{
aerr("ERROR: Failed to get adc interface\n");
return -ENODEV;
}
if ((rv = adc_register("/dev/adc0", adc)) < 0)
{
aerr("ERROR: adc_register failed: %d\n", rv);
return rv;
}
initialized = true;
ainfo("INFO: ADC12_IN10 initialized succesfully\n");
return OK;
}
int board_gsensoradc_setup(void)
{
#ifdef CONFIG_STM32_ADC1
static bool initialized = false;
struct adc_dev_s *adc;
int ret;
int i;
/* Check if we have already initialized */
if (!initialized){
/* Configure the pins as analog inputs for the selected channels */
for (i = 0; i < ADC1_NCHANNELS; i++)
{
stm32_configgpio(g_pinlist[i]);
//stm32_configgpio(g_detect[i]);
}
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
adc = stm32_adcinitialize(1, g_chanlist, ADC1_NCHANNELS);
if (adc == NULL)
{
adbg("ERROR: Failed to get ADC interface\n");
return -ENODEV;
}
/* Register the ADC driver at "/dev/adc0" */
ret = adc_register("/dev/gsensor", adc);
if (ret < 0)
{
adbg("adc_register failed: %d\n", ret);
return ret;
}
/* Now we are initialized */
initialized = true;
}
return OK;
#else
return -ENOSYS;
#endif
}
int adc_devinit(void)
{
static bool initialized = false;
struct adc_dev_s *adc[ADC3_NCHANNELS];
int ret;
int i;
/* Check if we have already initialized */
if (!initialized) {
char name[11];
for (i = 0; i < ADC3_NCHANNELS; i++) {
stm32_configgpio(g_pinlist[i]);
}
for (i = 0; i < 1; i++) {
/* Configure the pins as analog inputs for the selected channels */
//stm32_configgpio(g_pinlist[i]);
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
//multiple channels only supported with dma!
adc[i] = stm32_adcinitialize(3, (g_chanlist), 4);
if (adc == NULL) {
adbg("ERROR: Failed to get ADC interface\n");
return -ENODEV;
}
/* Register the ADC driver at "/dev/adc0" */
sprintf(name, "/dev/adc%d", i);
ret = adc_register(name, adc[i]);
if (ret < 0) {
adbg("adc_register failed for adc %s: %d\n", name, ret);
return ret;
}
}
/* Now we are initialized */
initialized = true;
}
return OK;
}
int stm32_adc_setup(void)
{
static bool initialized = false;
FAR struct adc_dev_s *adc;
int ret;
int i;
/* Check if we have already initialized */
if (!initialized)
{
/* DEV1 */
/* Configure the pins as analog inputs for the selected channels */
for (i = 0; i < DEV1_NCHANNELS; i++)
{
stm32_configgpio(g_pinlist1[i]);
}
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
adc = stm32_adcinitialize(DEV1_PORT, g_chanlist1, DEV1_NCHANNELS);
if (adc == NULL)
{
aerr("ERROR: Failed to get ADC interface 1\n");
return -ENODEV;
}
/* Register the ADC driver at "/dev/adc0" */
ret = adc_register("/dev/adc0", adc);
if (ret < 0)
{
aerr("ERROR: adc_register /dev/adc0 failed: %d\n", ret);
return ret;
}
#ifdef DEV2_PORT
/* DEV2 */
/* Configure the pins as analog inputs for the selected channels */
for (i = 0; i < DEV2_NCHANNELS; i++)
{
stm32_configgpio(g_pinlist2[i]);
}
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
adc = stm32_adcinitialize(DEV2_PORT, g_chanlist2, DEV2_NCHANNELS);
if (adc == NULL)
{
aerr("ERROR: Failed to get ADC interface 2\n");
return -ENODEV;
}
/* Register the ADC driver at "/dev/adc1" */
ret = adc_register("/dev/adc1", adc);
if (ret < 0)
{
aerr("ERROR: adc_register /dev/adc1 failed: %d\n", ret);
return ret;
}
#endif
initialized = true;
}
return OK;
}