X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fspi%2Fspi.c;h=785c47600f73ee7f860ef3e88153e1952795010d;hp=93a41b9fd53bda2beeb666ad8b295a8892e888f0;hb=e858c51543d928d837578d3e03dd5686e888220e;hpb=f13d84c954960084c69440ad035e68b6017572dc

diff --git a/firmware/apps/spi/spi.c b/firmware/apps/spi/spi.c
index 93a41b9..785c476 100644
--- a/firmware/apps/spi/spi.c
+++ b/firmware/apps/spi/spi.c
@@ -66,6 +66,13 @@ unsigned char spitrans8(unsigned char byte){
   return byte;
 }
 
+//! Enable SPI writing
+void spiflash_wrten(){
+    P5OUT&=~SS; //Drop !SS to begin transaction.
+    spitrans8(0x06);//Chip Erase
+    P5OUT|=SS;  //Raise !SS to end transaction.
+}
+
 //! Handles a monitor command.
 void spihandle(unsigned char app,
 	       unsigned char verb,
@@ -102,6 +109,16 @@ void spihandle(unsigned char app,
     txdata(app,verb,len);
     P5OUT|=SS;  //Raise !SS to end transaction.
     break;
+  case POKE://Poke up bytes from an SPI Flash ROM.
+    
+    break;
+  case SPI_ERASE://Erase the SPI Flash ROM.
+    spiflash_wrten();
+    P5OUT&=~SS; //Drop !SS to begin transaction.
+    spitrans8(0xC7);//Chip Erase
+    P5OUT|=SS;  //Raise !SS to end transaction.
+    txdata(app,verb,0);
+    break;
   case SETUP:
     spisetup();
     txdata(app,verb,0);