added todo

TODO

@@ -9,7 +9,7 @@ Software:
 - irgendein Protokoll für SPI
 - A/D-Wandler-Ansteuercode
 - Check spi_proto include stuff?
-
+- slave nicht aufhängen lassen wenn zu wenig gelesen
 
 Später:
 - PT1000

cmdline/read-temp.c

@@ -68,7 +68,7 @@ int                 cnt, vid, pid;
     int value = 0, index = 0;
 
     /* int i=0; */
-    /* cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, 1, value, index, buffer, sizeof(buffer), 5000); */
+    /* cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, 100, value, index, buffer, sizeof(buffer), 5000); */
     /* if(cnt < 0){ */
     /*   fprintf(stderr, "\nUSB error in iteration %d: %s\n", i, usb_strerror()); */
     /* } */
@@ -77,7 +77,7 @@ int                 cnt, vid, pid;
     /* fprintf(stderr, "%3d.%02d*C ", rxValue/100, rxValue%100); */
     /* fprintf(stderr, "%3d.%02d*C \n", rxIndex/100, rxIndex%100); */
 
-    /* cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, 2, value, index, buffer, sizeof(buffer), 5000); */
+    /* cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, 101, value, index, buffer, sizeof(buffer), 5000); */
     /* if(cnt < 0){ */
     /*   fprintf(stderr, "\nUSB error in iteration %d: %s\n", i, usb_strerror()); */
     /* } */
@@ -87,6 +87,8 @@ int                 cnt, vid, pid;
     /* fprintf(stderr, "%3d.%02d*C \n", rxIndex/100, rxIndex%100); */
 
 
+
+
     usb_close(handle);
     return 0;
 }

firmware/masterchip/spi_proto.c

@@ -0,0 +1 @@
+../shared/spi_proto.c

firmware/masterchip/spi_proto.h

@@ -0,0 +1 @@
+../shared/spi_proto.h

firmware/masterchip/usb.c

@@ -1,17 +1,20 @@
 #include "main.h"
+#include "spi.h"
+#include "spi_proto.h"
+#include "usb.h"
 
 usbMsgLen_t usbFunctionSetup(uchar data[8]) {
   usbRequest_t    *rq = (void *)data;
   static uchar    dataBuffer[4];
 
-  if(rq->bRequest == 1) {
+  if(rq->bRequest == 100) {
     dataBuffer[0] = (thermoData [0] & 0xff00)>>8;
     dataBuffer[1] = thermoData [0] & 0x00ff;
     dataBuffer[2] = (thermoData [1] & 0xff00)>>8;
     dataBuffer[3] = thermoData [1] & 0x00ff;
     usbMsgPtr = dataBuffer;
     return 4;
-  } else if(rq->bRequest == 2) {
+  } else if(rq->bRequest == 101) {
     dataBuffer[0] = (thermoData [2] & 0xff00)>>8;
     dataBuffer[1] = thermoData [2] & 0x00ff;
     dataBuffer[2] = (thermoData [3] & 0xff00)>>8;
@@ -19,15 +22,15 @@ usbMsgLen_t usbFunctionSetup(uchar data[8]) {
     usbMsgPtr = dataBuffer;
     return 4;
   } else {
-    uint8_t opcode = (rq->bRequest & 0xff00)>>8;
-    uint8_t addr = (rq->wValue & 0xff00)>>8;
-    uint8_t valH = rq->wIndex & 0x00ff;
-    uint8_t valL = (rq->wIndex & 0xff00)>>8;
+    uint8_t opcode = (uint8_t)  ((rq->bRequest & 0xff00)>>8);
+    uint8_t addr =   (uint8_t)    rq->wValue.bytes[0];
+    uint8_t valH =   (uint8_t)    rq->wIndex.bytes[0];
+    uint8_t valL =   (uint8_t)    rq->wIndex.bytes[1];
 
     uint8_t send[] = {opcode, addr, valH, valL};
     uint8_t recv[2];
-    spi_mst_write(4, data);
-    spi_mst_read(2, data)
+    spi_mst_write(4, send);
+    if(!spi_proto_needswrite(opcode)) spi_mst_read(2, recv);
       
     dataBuffer[0] = recv[0];
     dataBuffer[1] = recv[1];

firmware/shared/spi.c

@@ -103,7 +103,10 @@ void spi_mst_read(uint8_t len, uint8_t *data){
 	}
 }
 
+
+
 void spi_sla_handle_packet(){
+        // TODO: make slave not hangup in case of partial read
 	uint8_t opcode, addr, do_write;
 	uint16_t data;
 	SPI_WAIT;