Vipin Ranka
This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest
Dependencies: GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem
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SPISlave Class Reference
[Drivers]
A SPI slave, used for communicating with a SPI Master device. More...
#include <SPISlave.h>
Public Member Functions | |
| SPISlave (PinName mosi, PinName miso, PinName sclk, PinName ssel) | |
| Create a SPI slave connected to the specified pins. | |
| void | format (int bits, int mode=0) |
| Configure the data transmission format. | |
| void | frequency (int hz=1000000) |
| Set the spi bus clock frequency. | |
| int | receive (void) |
| Polls the SPI to see if data has been received. | |
| int | read (void) |
| Retrieve data from receive buffer as slave. | |
| void | reply (int value) |
| Fill the transmission buffer with the value to be written out as slave on the next received message from the master. | |
Detailed Description
A SPI slave, used for communicating with a SPI Master device.
The default format is set to 8-bits, mode 0, and a clock frequency of 1MHz
Synchronization level: Not protected
Example:
// Reply to a SPI master as slave #include "mbed.h" SPISlave device(p5, p6, p7, p8); // mosi, miso, sclk, ssel int main() { device.reply(0x00); // Prime SPI with first reply while(1) { if(device.receive()) { int v = device.read(); // Read byte from master v = (v + 1) % 0x100; // Add one to it, modulo 256 device.reply(v); // Make this the next reply } } }
Definition at line 55 of file SPISlave.h.
Constructor & Destructor Documentation
| SPISlave | ( | PinName | mosi, |
| PinName | miso, | ||
| PinName | sclk, | ||
| PinName | ssel | ||
| ) |
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