update todos

ads1278_core.c

@@ -11,11 +11,11 @@
 // 10'000'000 Hz =  52 kSPS
 #define TRANSFER_HZ	(27000000)
 
-// TODO: minimize 45us delay between xfers
-
-// 24-11-23: We're hitting 130 kSPS initially, but are eventually slowed down
-// to 87 kSPS. Need to investigate high-priority workers, forcing a high SPI
-// clock speed, and/or minimizing overall latency.
+// TODO:
+// - Require max CPU clock speed so 130 kSPS can be achieved
+// - Minimize ~30us delay between transfers
+// - Figure out how to get sample data out
+// - Create configuration interface
 
 struct ads1278
 {