SES_RETRY_MULTIPLIER
static int ses_retry_count = SES_RETRY_COUNT * SES_RETRY_MULTIPLIER;
#define SES_CMD_RETRY SES_RETRY_MULTIPLIER
retry += (retry > 0)? (SES_RETRY_MULTIPLIER -1) : 0;
retry += (retry > 0)? (SES_RETRY_MULTIPLIER -2) : 0;
retry += (retry > 0)? (SES_RETRY_MULTIPLIER -4) : 0;