The branch, ftdi-eeprom-fix-bitflag-handling has been updated
via 2a68cf5675acd010b16d0c8fa87fd40356c59020 (commit)
from 21cbf07029f382475cabcc157bb2fef339fff4d0 (commit)
- Log -----------------------------------------------------------------
commit 2a68cf5675acd010b16d0c8fa87fd40356c59020
Author: Thomas Jarosch <[email protected]>
Date: Thu May 14 23:00:24 2020 +0200
ftdi_eeprom_build(): Fix inverted handling of VCP driver field for TYPE_R
chips
From doc/EEPROM-structure:
On TYPE_R 00.3 set mean D2XX, on other devices VCP
-> invert the field for TYPE_R so "eeprom->channel_a_driver"
set to 1 always means VCP driver for all chips.
-----------------------------------------------------------------------
Summary of changes:
src/ftdi.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/ftdi.c b/src/ftdi.c
index d86d98e..d527d6f 100644
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -3182,8 +3182,13 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi)
output[0x00] = type2bit(eeprom->channel_a_type, TYPE_R);
if (eeprom->high_current)
output[0x00] |= HIGH_CURRENT_DRIVE_R;
+
+ /* Field is inverted for TYPE_R: Bit 00.3 set to 1 is D2XX, VCP is
0 */
if (eeprom->channel_a_driver)
+ output[0x00] &= ~DRIVER_VCP;
+ else
output[0x00] |= DRIVER_VCP;
+
if (eeprom->external_oscillator)
output[0x00] |= 0x02;
output[0x01] = 0x40; /* Hard coded Endpoint Size*/
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