-
- /*
- * The general purpose firmware for the Cypress M8 allows for a maximum speed
- * of 57600bps (I have no idea whether DeLorme chose to use the general purpose
- * firmware or not), if you need to modify this speed setting for your own
- * project please add your own chiptype and modify the code likewise. The
- * Cypress HID->COM device will work successfully up to 115200bps (but the
- * actual throughput is around 3kBps).
- */
- if (baud_mask != priv->cbr_mask) {
- dbg("%s - baud rate is changing", __FUNCTION__);
- if ( priv->chiptype == CT_EARTHMATE ) {
- /* 300 and 600 baud rates are supported under the generic firmware,
- * but are not used with NMEA and SiRF protocols */
-
- if ( (baud_mask == B300) || (baud_mask == B600) ) {
- err("%s - failed setting baud rate, unsupported speed",
- __FUNCTION__);
- new_baudrate = priv->baud_rate;
- } else if ( (new_baudrate = mask_to_rate(baud_mask)) == -1) {
- err("%s - failed setting baud rate, unsupported speed",
- __FUNCTION__);
- new_baudrate = priv->baud_rate;
- }
- } else if (priv->chiptype == CT_CYPHIDCOM) {
- if ( (new_baudrate = mask_to_rate(baud_mask)) == -1) {
- err("%s - failed setting baud rate, unsupported speed",
- __FUNCTION__);
- new_baudrate = priv->baud_rate;
- }
- } else if (priv->chiptype == CT_CA42V2) {
- if ( (new_baudrate = mask_to_rate(baud_mask)) == -1) {
- err("%s - failed setting baud rate, unsupported speed",
- __FUNCTION__);
- new_baudrate = priv->baud_rate;
- }
- } else if (priv->chiptype == CT_GENERIC) {
- if ( (new_baudrate = mask_to_rate(baud_mask)) == -1) {
- err("%s - failed setting baud rate, unsupported speed",
- __FUNCTION__);
- new_baudrate = priv->baud_rate;
- }
- } else {
- info("%s - please define your chiptype", __FUNCTION__);
- new_baudrate = priv->baud_rate;
- }
- } else { /* baud rate not changing, keep the old */