diff options
| author |  John Van Ostrand <john@vanostrand.com> | 2017-09-05 17:07:57 -0400 |
|---|---|---|
| committer |  Dirk Hohndel <dirk@hohndel.org> | 2017-09-06 08:30:48 -0700 |
| commit | 866a25f90e2b07d6f79f26ec5b712a260d57c3a8 (patch) | |
| tree | 0725152a7b0f8142e693c94156b8958e300d8580 /core | |
| parent | 166eb17ac2d1e33ed3d6362f31a1d397dae3566a (diff) | |
| download | subsurface-866a25f90e2b07d6f79f26ec5b712a260d57c3a8.tar.gz | |
Implemented serial_set_break for FTDI
Setting break is required to wake up Cochran DCs (it doesn't make
sense to me, but it's needed).
Signed-off-by: John Van Ostrand <john@vanostrand.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'core')
| -rw-r--r-- | core/serial_ftdi.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/core/serial_ftdi.c b/core/serial_ftdi.c index 88e60c25e..bfa23b814 100644 --- a/core/serial_ftdi.c +++ b/core/serial_ftdi.c @@ -69,6 +69,9 @@ typedef struct ftdi_serial_t { int halfduplex; unsigned int baudrate; unsigned int nbits; + unsigned int databits; + unsigned int stopbits; + unsigned int parity; } ftdi_serial_t; static dc_status_t serial_ftdi_get_received (dc_custom_io_t *io, size_t *value) @@ -172,6 +175,9 @@ static dc_status_t serial_ftdi_open (dc_custom_io_t *io, dc_context_t *context, device->halfduplex = 0; device->baudrate = 0; device->nbits = 0; + device->databits = 0; + device->stopbits = 0; + device->parity = 0; // Initialize device ftdi context INFO(0, "initialize ftdi_ctx"); @@ -334,6 +340,9 @@ static dc_status_t serial_ftdi_configure (dc_custom_io_t *io, unsigned int baudr device->baudrate = baudrate; device->nbits = 1 + databits + stopbits + (parity ? 1 : 0); + device->databits = databits; + device->stopbits = stopbits; + device->parity = parity; return DC_STATUS_SUCCESS; } @@ -535,7 +544,7 @@ static dc_status_t serial_ftdi_send_break (dc_custom_io_t *io) return DC_STATUS_UNSUPPORTED; } -static dc_status_t serial_ftdi_set_break (dc_custom_io_t *io, int level) +static dc_status_t serial_ftdi_set_break (dc_custom_io_t *io, unsigned int level) { ftdi_serial_t *device = (ftdi_serial_t*) io->userdata; @@ -544,7 +553,10 @@ static dc_status_t serial_ftdi_set_break (dc_custom_io_t *io, int level) INFO (device->context, "Break: value=%i", level); - // Not implemented in libftdi yet. Research it further. + if (ftdi_set_line_property2(device->ftdi_ctx, device->databits, device->stopbits, device->parity, level)) { + ERROR (device->context, "%s", ftdi_get_error_string(device->ftdi_ctx)); + return DC_STATUS_IO; + } return DC_STATUS_UNSUPPORTED; } @@ -598,6 +610,5 @@ dc_custom_io_t serial_ftdi_ops = { .serial_set_halfduplex = serial_ftdi_set_halfduplex, // Can't be done in ftdi? // only used in vyper2 -// NULL means NOP - .serial_set_break = NULL + .serial_set_break = serial_ftdi_set_break, }; |