Commit Graph

11 Commits

Author SHA1 Message Date
Jared Boone
88afee26d7 Clock Manager: Detect Si5351 CLKIN present, measure frequency, and use if approximately 10MHz. 2018-08-05 14:06:57 -07:00
Jared Boone
30f2bc4149 Clock Manager: Add API to measure LPC43xx clock inputs against IRC oscillator. 2018-08-05 14:06:45 -07:00
Jared Boone
4153995944 CPLD: Invert GCK2 to improve ADC sample timing. 2016-10-03 11:58:42 -07:00
Jared Boone
a03a72474d Insert IDIVC into audio MCLK path, so it can be divided. 2016-01-29 15:17:05 -08:00
Jared Boone
f1ca3fe5bb Switch RFFC5072, MAX2837 back to 40MHz reference.
Turns out the MAX2837 can't tune the necessary range when given a 50MHz reference. Oops.
2015-09-02 17:45:19 -07:00
Jared Boone
4974774f82 Simplify PLL math when correcting for PPM. 2015-08-25 17:56:03 -07:00
Jared Boone
fe7dcdc613 Function to adjust clock generator XTAL PLL frequency.
Needed to switch PLLA to operate in fractional mode.
2015-08-24 12:09:11 -07:00
Jared Boone
8797aa9758 Stop audio PLL if shutting down GP_CLKIN clock source. 2015-08-01 13:45:52 -07:00
Jared Boone
bfc73a6675 Move update_peripheral_clocks
Incorrect order of operations would hang execution if switching to IRC.
2015-08-01 13:44:52 -07:00
Jared Boone
c025a2bba2 Code to shut down ClockManager-controlled devices. 2015-08-01 13:43:58 -07:00
Jared Boone
dc6fee8370 Initial firmware commit. 2015-07-08 08:39:24 -07:00