\uD83D\uDCDA Relevant data
\uD83D\uDCD8 Background
\uD83C\uDF08 Options considered
Option 1 | Option 2 | |
|---|---|---|
Description | SD via SPI | SD SDMMC |
Pros and cons |
|
🔖 SDMMC Packet Overhead: 48 bits from host, 48 bits from SD card, 16 bits |
Estimated cost | LARGE | MEDIUM |
Protocol that FW is familiar with 
Uses a SPI port that could be used for something else✅ Action items
- Determine logging output rate
- Determine loop control rate Aidan Bowers (Deactivated) (100-200Hz)
- How much data in bytes we expect to log Dhruv Upadhyay
- SD Packet Overhead:
- Timing requirement for how long the transaction can take Dhruv Upadhyay
- Determine what factors impact SD SPI transmission rates Darwin Clark