diff options
Diffstat (limited to 'nuttx/drivers/analog/adc.c')
| -rw-r--r-- | nuttx/drivers/analog/adc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/nuttx/drivers/analog/adc.c b/nuttx/drivers/analog/adc.c index 84070f162..72f19452a 100644 --- a/nuttx/drivers/analog/adc.c +++ b/nuttx/drivers/analog/adc.c @@ -143,7 +143,7 @@ static int adc_open(FAR struct file *filep) dev->ad_recv.af_head = 0; dev->ad_recv.af_tail = 0; - /* Finally, Enable the CAN RX interrupt */ + /* Finally, Enable the ADC RX interrupt */ dev->ad_ops->ao_rxint(dev, true); @@ -151,9 +151,11 @@ static int adc_open(FAR struct file *filep) dev->ad_ocount = tmp; } + irqrestore(flags); } } + sem_post(&dev->ad_closesem); } return ret; @@ -370,6 +372,10 @@ static int adc_ioctl(FAR struct file *filep, int cmd, unsigned long arg) * Public Functions ****************************************************************************/ +/**************************************************************************** + * Name: adc_receive + ****************************************************************************/ + int adc_receive(FAR struct adc_dev_s *dev, uint8_t ch, int32_t data) { FAR struct adc_fifo_s *fifo = &dev->ad_recv; @@ -390,7 +396,7 @@ int adc_receive(FAR struct adc_dev_s *dev, uint8_t ch, int32_t data) if (nexttail != fifo->af_head) { - /* Add the new, decoded CAN message at the tail of the FIFO */ + /* Add the new, decoded ADC sample at the tail of the FIFO */ fifo->af_buffer[fifo->af_tail].am_channel = ch; fifo->af_buffer[fifo->af_tail].am_data = data; @@ -403,11 +409,16 @@ int adc_receive(FAR struct adc_dev_s *dev, uint8_t ch, int32_t data) { sem_post(&fifo->af_sem); } + err = OK; } return err; } +/**************************************************************************** + * Name: adc_register + ****************************************************************************/ + int adc_register(FAR const char *path, FAR struct adc_dev_s *dev) { /* Initialize the ADC device structure */ |