unsigned int uvolt_amplitude; /* waveform amplitude in microvolts */
unsigned long usec_period; /* waveform period in microseconds */
unsigned long usec_current; /* current time (mod waveform period) */
unsigned int uvolt_amplitude; /* waveform amplitude in microvolts */
unsigned long usec_period; /* waveform period in microseconds */
unsigned long usec_current; /* current time (mod waveform period) */