Changeset 10697 for firmware/FSC/src/parser.c

Timestamp:

05/13/11 11:48:49 (14 years ago)

Author:

neise

Message:

 

File:

• firmware/FSC/src/parser.c (modified) (2 diffs)

firmware/FSC/src/parser.c

@@ -3 +3 @@
 #include "application.h"
 #include "usart.h"
+#include "w5100_spi_interface.h"
 // this method parses the data, 
 // which came in via USART
@@ -306 +307 @@
 
 */
+
+///////////////////////////////////////////////////////////////////////////////////////
+// W5300 incoming commands parser
+void parse_w5300_incoming( U08 bytes_in_w5100_rx_buffer ) {
+
+        if (bytes_in_w5100_rx_buffer == 0) // it was stupid to call this parser without having any bytes downloaded
+                return;
+                
+        switch (eth_read_buffer[0]) {
+                case 'w': // *w*rite to register command
+                        write_FSC_register();
+                        read_FSC_register(); 
+                        break;
+                        
+                case 'r':       // *r*ead from register command
+                        read_FSC_register();
+                        break;
+                        
+                case 't':       // measure *t*emperature (resistance) channels only
+                        reset_resistance_done();
+                        simple_acknowledge();
+                        break;
+                        
+                case 'v':       // measure *v*oltage channels only
+                        reset_voltage_done();
+                        simple_acknowledge();
+                        break;
+                        
+                case 'm':       // *m*easure active channels commands
+                        reset_done();
+                        simple_acknowledge();
+                        break;
+                        
+                case 's':       // return *s*tatus information
+                        // this might take a lot of time... about... 25us per byte .. --> less than 25ms
+                        w5100_set_TX(FSCregister, FSC_REGISTER_LENGTH);
+                        break;
+                        
+                case 'z':       // re*z*et ATmega32 and peripherals
+                        eth_write_buffer[0]='!';
+                        eth_write_buffer[1]='!';
+                        w5100_set_TX(eth_write_buffer, 2); 
+                        // let watchdog occur!
+                        // gotta read, how this works...
+                        break;  
+        }
+}
+
+void write_FSC_register() {
+        FSCregister[eth_read_buffer[2]]=eth_read_buffer[3];
+}
+
+void read_FSC_register() {
+        eth_write_buffer[0]=eth_read_buffer[0];
+        eth_write_buffer[1]=eth_read_buffer[1];
+        eth_write_buffer[2]=eth_read_buffer[2];
+        eth_write_buffer[3]=FSCregister[eth_read_buffer[2]];
+        w5100_set_TX(eth_write_buffer, 4); 
+}
+
+void reset_resistance_done(){
+        for (U08 i=0; i < (RESISTANCE_CHANNELS/8); i++){
+                ad7719_channels_ready[i] = 0;
+        }
+}
+void reset_voltage_done(){
+        for (U08 i=0; i < (VOLTAGE_CHANNELS/8); i++){
+                adc_channels_ready[i] = 0;
+        }
+}
+void reset_done(){
+        reset_resistance_done();
+        reset_voltage_done();
+}
+
+void simple_acknowledge(){
+        eth_write_buffer[0]=eth_read_buffer[0];
+        eth_write_buffer[1]=eth_read_buffer[1];
+        w5100_set_TX(eth_write_buffer, 2); 
+}