diff options
Diffstat (limited to 'openpcd/firmware/doc/piccsim-todo.txt')
| -rw-r--r-- | openpcd/firmware/doc/piccsim-todo.txt | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/openpcd/firmware/doc/piccsim-todo.txt b/openpcd/firmware/doc/piccsim-todo.txt deleted file mode 100644 index a009b7d..0000000 --- a/openpcd/firmware/doc/piccsim-todo.txt +++ /dev/null @@ -1,34 +0,0 @@ -- code to control digital potentiometers via SPI [MM] - - chip select not SPI CS - -- idea: use comparator to determine voltage range, then reconfigure amplifier - - later - -- problem: capacitance of digital poti - - idea 1: - - idea 2: logarithmic amplifier using transistor - -- ADC driver - - core [MM] - - trigger function (we want to read all values ASAP) - - callback function (once new values are available) - - init function (initialize ADC) - - USB integration [HW] - - simple READ_ADC command - - one reply packet with all ADC channels - -- OS timer - - how often? - -- 'load modulation' driver - x set PA2/PA3 to binary 0..3 - -x add IO definitions for - - PLL INHIBIT low - - SPI_SS1_GAIN - - SPI_SS2_DATA_THRESHOLD - - BOOTLDR - -- sampled data continuous output into file / stdout - - trigger sampling by raising/falling edge (configurable) - - sample only one buffer |