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Technical Support
On-Line Manuals
RL-ARM User's Guide (MDK v4)
RL-RTX
RL-FlashFS
Technical Data
NAND Flash Translation Layer
Embedded File System
Memory Organization
Allocation Information
File Data Fragments
Limitations
Configuring RL-FlashFS
Source Files
Configuration Options
File System
Flash Drive
SPI Flash Drive
RAM Drive
Memory Card Drive
USB Flash Drive
NAND Flash Drive
Using RL-FlashFS
Using Flash Devices
Flash Driver
Sector Layout
Converting FlashPrg.c
Converting FlashDev.c
Limitations When Using Internal Flash
Using SPI Flash Devices
SPI Flash Driver
SPI Sector Layout
Using RAM Devices
Using Memory Card Devices
MCI Driver
SPI Driver
Using FlashFS with USB Devices
FAT Driver
Using NAND Devices
NAND Driver
NAND Page Data Layout
Function Overview
File I/O Routines
File Maintenance Routines
File Time Support Routines
Flash Driver Routines
FAT Driver Routines
MCI Driver Routines
SPI Driver Routines
NAND Driver Routines
IOC Interface Routines
System Routines
RL-TCPnet
RL-CAN
RL-USB
Example Programs
Library Reference
Appendix
SPI Driver Routines
SPI driver routines are the functions to communicate with a memory card or SPI data Flash device.
| Routine | Description |
|---|---|
| Init | Initializes the SPI controller. |
| UnInit | Uninitializes the SPI controller. |
| Send | Send and receive a byte over the SPI interface. |
| SendBuf | Sends a block of data to the SPI interface. |
| RecBuf | Receives a block of data from the SPI interface. |
| BusSpeed | Set the desired baud rate speed for the SPI interface. |
| SetSS | Enables or disables SPI Slave Select signal. |
| CheckMedia | Checks the SD/MMC media status (Card Inserted, Write Protected). |
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