Contents
- Update History
- License
Update History
V2.3.1
/ 14-February-2011
Main
Changes
- Bugs
correction and improvement of the stm8_tsl_checkconfig.h file.
Toolchains
and Compilers used during validation
- ST Visual
Debug (STVD) toolchain v4.2.0
- Cosmic
compiler v4.3.4
- Raisonance
compiler v2.32.10.0307
- EWARM-STM8
(IAR) v1.10.0
Known
Limitations
- Only 3 channels per MCKey and the Interlaced layout mode are supported.
V2.3.0
/ 15-September-2010
To port an
application from STM8 Touch Sensing Library V2.2.0 to V2.3.0, the user
must create again his tsl_conf.h file from a tsl_conf_RC_TOADAPT.h
or tsl_conf_CT_TOADAPT.h V2.3.0 file with its own parameters :
- PORT MASK
definition for multi-channel keys section has been removed (the
preprocessor variable definitions are automatically created in
stm8_tsl_check_config.h)
- Preprocessor
variables :
- PROTECT_IO_ACCESS:
allows to protect the IO register modifications by interruption
subroutines during accesses from Touch Sensing acquisition functions,
(to be kept at 1 to keep same behaviour as V2.2.0)
- SW_SPREAD_SPECTRUM
: for STM8L15x only, allows to use the same Spread Spectrum mechanism
as implemented for the STM8L10x in order to keep a constant internal
osillator frequency for USART communication for example, (0 to
disable the feature)
- SPREAD_COUNTER_MAX
is now used for STM8L15x hardware spread spectrum excursion (if
SPREAD_SPECTRUM set to 1),
- ACTIVE_SHIELD_GROUP
: defines the switch group dedicated to the active shield
feature (0 to disable the feature)
- RTOS_MANAGEMENT
: allows to call the timebase routine from the RTOS instead of using a
timer interrupt every 500µs,
- TIMER_CALLBACK
: allows to call a function from the timer interrupt used as 500µs
timebase,
- USE_INLINED_FUNCTIONS
: forces inlining of the SW spread spectrum function
only (more function may be inlined in the future)
- All the
preprocessor variables must be defined but set to 0 to disable the
associated feature.
List of changes:
- Support of IAR
C compiler:
- Add active
shield feature for charge-transfer acquisition principle.
- Add callback
capability for time-base interrupt sub-routine.
- Add RTOS
management capability of the time-base function.
- Add forced
inlining option for the software spread spectrum function.
- Add software
spread spectrum for STM8L15x.
- Add amplitude
management of the hardware spread spectrum for STM8L15x.
- Add the ability
to define an application with multi-channel keys but without single
channel key
- Add a new
compilation variable automatically generated :
NUMBER_OF_ACQUISITION_PORTS
- Add the ability
to skip the port acquisition when all its channels are disabled.
- Improve
acquisition speed for charge transfer acquisition for both STM8L10x and
STM8L15x.
- Improve the
management of the disabled channels during acquisition.
- Add the
management of the interrupt masking defined by a compilation variable.
- Remove
calibration related functions from the API.
- Remove
alignment mechanism for assembly functions of RC acquisition principle
file.
- Cleaning RC
acquisition principle related code in charge transfer acquisition
principle dedicated files.
- Improve
checking performed in the stm8_tsl_check_config.h file.
- Simplify the
multi-channel key definitions by automatically defining the
MKEY_CHi_MASK compilation variable from stm8_tsl_check_config.h file.
- CLWHTA and
CLWLTA are now also used by STM8L10x related functions for
charge-transfer acquisition principle.
- Fix the
adjustment of the low state pulse for STM8L10x charge-transfer
acquisition.
- Rename
“Detection exclusion system” acronym from DES to DxS.
V2.2.0
/ 30-November-2009
- New folders and
workspace architecture.
- Support of
Raisonance C compiler:
- Full compiler
version required for inline assembly support
- Tested with
v2.26.09.0317.
- ECS limitation
corrected:
- References were
frozen for 2 seconds whenever entering in post or pre states
- This was
problematic in noisy environment.
- STM8L15x Charge
Transfer acquisition optimized (30% faster)
- New parameters
for STM8L15x introduced in “stm8_tsl_conf_CT.h” file for capacitance
charging/discharging tuning:
- CLWHTA
(Capacitance Loading Waiting HIGH Time Adjustment)
- CLWLTA
(Capacitance Loading Waiting HIGH Time Adjustment)
V2.1.0
/ 30-Septembre-2009
- Source files
clean-up, MISRA check.
- Update to
latest STM8L standard peripheral libraries (STM8L10x v1.1.0 and
STM8L15x v1.0.0).
- Examples
improvement, new Wheel example with the STM8L15x added.
V2.0.0
/ 31-August-2009
- Package
structure and files organization updated
- Update to
latest standard peripheral libraries
- Add the support
of the charge-transfer acquisition principle (only supported by
STM8L10x and STM8L15x devices)
V1.3.0
/ 29-October-2009
- Update to
latest STM8S Standard Library V1.1.1.
- Update
acquisition and timebase timers table of STM8_TSL_RC_Configuration.h
file.
- Change
condition to disable ECS when a SCKey or a MCKey is touched.
V1.2.0
/ 24-March-2009
- Add an option
in the configuration file to choose the acquisition timer. This option
allows to use the library with any STM8 device.
- Add a
synchronization capability (beta) on an interruption. This option is
new and has not been fully validated.
- Add Spread
spectrum capability (beta). This option allows adding a variable delay
between acquisitions to reduce noise sensitivity at specific
frequencies. This option is new and has not been fully validated.
V1.1.0
/ 21-February-2009
- New option
(NEGDETECT_AUTOCAL) added in the configuration file to enable or
disable the autocalibration
V1.0.0
/ 22-January-2009
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