The branch, master has been updated
via 837a71d6c580972b9638588a50cec5fbb035add6 (commit)
from 91d7a2015293c56a7f889898ff7ef0b45d78ae7a (commit)
- Log -----------------------------------------------------------------
commit 837a71d6c580972b9638588a50cec5fbb035add6
Author: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Fri Jun 17 19:49:25 2011 +0200
FT232H: Handle the EEPROM Bit for Enter Powerdsave on ACBUS7
-----------------------------------------------------------------------
Summary of changes:
src/ftdi.c | 16 ++++++++++++++++
src/ftdi.h | 7 ++++++-
2 files changed, 22 insertions(+), 1 deletions(-)
diff --git a/src/ftdi.c b/src/ftdi.c
index 76e6f42..ed2bbe0 100644
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -2663,6 +2663,10 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi)
output[0x00] |= DRIVER_VCPH;
else
output[0x00] &= ~DRIVER_VCPH;
+ if (eeprom->powersave)
+ output[0x01] |= POWER_SAVE_DISABLE_H;
+ else
+ output[0x01] &= ~POWER_SAVE_DISABLE_H;
if (eeprom->group0_drive > DRIVE_16MA)
output[0x0c] |= DRIVE_16MA;
@@ -2925,6 +2929,7 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, int
verbose)
{
eeprom->channel_a_type = buf[0x00] & 0xf;
eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0;
+ eeprom->powersave = buf[0x01] & POWER_SAVE_DISABLE_H;
eeprom->group0_drive = buf[0x0c] & DRIVE_16MA;
eeprom->group0_schmitt = buf[0x0c] & IS_SCHMITT;
eeprom->group0_slew = buf[0x0c] & SLOW_SLEW;
@@ -2963,6 +2968,11 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, int
verbose)
fprintf(stdout, "Suspend on DBUS7\n");
if (eeprom->suspend_pull_downs)
fprintf(stdout, "Pull IO pins low during suspend\n");
+ if(eeprom->powersave)
+ {
+ if(ftdi->type >= TYPE_232H)
+ fprintf(stdout,"Enter low power state on ACBUS7\n");
+ }
if (eeprom->remote_wakeup)
fprintf(stdout, "Enable Remote Wake Up\n");
fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1);
@@ -3175,6 +3185,9 @@ int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum
ftdi_eeprom_value valu
case GROUP3_SLEW:
*value = ftdi->eeprom->group3_slew;
break;
+ case POWER_SAVE:
+ *value = ftdi->eeprom->powersave;
+ break;
case CHIP_TYPE:
*value = ftdi->eeprom->chip;
break;
@@ -3314,6 +3327,9 @@ int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum
ftdi_eeprom_value valu
case CHIP_TYPE:
ftdi->eeprom->chip = value;
break;
+ case POWER_SAVE:
+ ftdi->eeprom->powersave = value;
+ break;
case CHIP_SIZE:
ftdi_error_return(-2, "EEPROM Value can't be changed");
default :
diff --git a/src/ftdi.h b/src/ftdi.h
index cd3f63b..dd442df 100644
--- a/src/ftdi.h
+++ b/src/ftdi.h
@@ -272,6 +272,8 @@ struct ftdi_eeprom
int group3_schmitt;
int group3_slew;
+ int powersave;
+
/** eeprom size in bytes. This doesn't get stored in the eeprom
but is the only way to pass it to ftdi_eeprom_build. */
int size;
@@ -384,7 +386,8 @@ enum ftdi_eeprom_value
GROUP3_SCHMITT = 36,
GROUP3_SLEW = 37,
CHIP_SIZE = 38,
- CHIP_TYPE = 39
+ CHIP_TYPE = 39,
+ POWER_SAVE = 40
};
/**
@@ -398,6 +401,8 @@ struct ftdi_device_list
struct libusb_device *dev;
};
+#define POWER_SAVE_DISABLE_H 0x80
+
#define USE_SERIAL_NUM 0x08
enum ftdi_cbus_func {/* FIXME: Recheck value, especially the last */
CBUS_TXDEN = 0, CBUS_PWREN = 1, CBUS_RXLED = 2, CBUS_TXLED = 3,
CBUS_TXRXLED = 4,
hooks/post-receive
--
port libftdi to libusb-1.0
--
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