Diff: main.cpp

Revision:

25:eac4de6661a9

Parent:

24:8664847e79d2

Child:

26:9ad740976a72

diff -r 8664847e79d2 -r eac4de6661a9 main.cpp
--- a/main.cpp	Thu Apr 04 22:43:49 2019 +0000
+++ b/main.cpp	Tue Apr 23 23:31:21 2019 +0000
@@ -176,6 +176,9 @@
 
 /*          REGISTERS       */
 static uint8_t LM36011_addr = 0x64 << 1;  //0xC8
+static int NRF_I2CSlave_addr = 0x20;
+static uint32_t NRF_I2CSlave_frequency = 300000;
+
 
 // register names
 static uint8_t enable_reg = 0x01;
@@ -237,6 +240,14 @@
 int stacked_counter = 0;
 bool read_fail;
 
+#define MY_BUF_SIZE 8
+
+int i2c_recv = 0;
+char i2c_tx_buff[MY_BUF_SIZE] = {'7','6','5','4','3','2','1','0'};
+char i2c_rx_buff[MY_BUF_SIZE];
+char i2c_tx_data = 0x55;
+char i2c_rx_data = 0x00;
+
 int dot_timer_number;
 int flood_timer_number;
 
@@ -499,9 +510,20 @@
 // main() runs in its own thread in the OS
 int main()
 {
-    Thread eventThread(osPriorityHigh);;
+    Thread eventThread(osPriorityHigh);
     eventThread.start(callback(&queue, &EventQueue::dispatch_forever));
 
+    NRF_TWIS0->ENABLE = 0;
+    NRF_TWIS1->ENABLE = 1;
+    ov580_I2C.frequency(NRF_I2CSlave_frequency);  
+    ov580_I2C.address(NRF_I2CSlave_addr);
+ //   ov580_I2C.stop();  
+    red = 1;
+    green = 1;
+    blue = 1; 
+    in_app = true;         // TODO(Jasoncha) check with Clayton
+    int i2c_return = -1;
+     
     // set interrupts
     int_strobe_dot.rise(&dot_check);
     int_strobe_flood.rise(&flood_check);
@@ -513,17 +535,18 @@
     
     MorseGenerator morse = MorseGenerator(morse_callback);
     morse.transmit(version_number);
-
+  
     while(!in_app) {
         wait(.1);
     }
-
+   
     silego = 1;
-
+ 
+ #if 0   //TODO(jasoncha) check with Clayton
     // write safety
     flood_I2C.write(LM36011_addr,lmSafety,2,false);
     dot_I2C.write(LM36011_addr,lmSafety,2,false);
-
+ 
     // write torch
     flood_I2C.write(LM36011_addr,torchBrightness_both,2,false);
     dot_I2C.write(LM36011_addr,torchBrightness_both,2,false);
@@ -531,9 +554,48 @@
     // write brightness
     flood_I2C.write(LM36011_addr,flashBrightness_flood,2,false);
     dot_I2C.write(LM36011_addr,flashBrightness_dot,2,false);
+#endif
 
     while (true) {
+       blue = 0;
+    // Handle I2C slave receive from OV580 master transmit
+        i2c_recv = ov580_I2C.receive();
+        switch(i2c_recv) {
+            case I2CSlave::ReadAddressed:
+            red = 0;
+            blue = 1;
+//          NRF_TWIS1->TXD.PTR = (uint32_t)i2c_tx_buff;
+//          NRF_TWIS1->TXD.MAXCNT = MY_BUF_SIZE;
+//          ov580_I2C.write(i2c_tx_buff, strlen(i2c_tx_buff) + 1);
+            i2c_return = ov580_I2C.write(&i2c_tx_data, 1);
+            break;
+            
+            case I2CSlave::WriteGeneral:
+            green = 0;
+            blue = 1;
+//           NRF_TWIS1->RXD.PTR = (uint32_t)i2c_rx_buff;
+//           NRF_TWIS1->RXD.MAXCNT = MY_BUF_SIZE;
+//           ov580_I2C.read(i2c_rx_buff, MY_BUF_SIZE);
+            i2c_return = ov580_I2C.read(&i2c_rx_data, 1);
+            break;
+            
+            case I2CSlave::WriteAddressed:
+            green = 0;
+            blue = 1;
+//           NRF_TWIS1->RXD.PTR = (uint32_t)i2c_rx_buff;
+//           NRF_TWIS1->RXD.MAXCNT = MY_BUF_SIZE;
+//           ov580_I2C.read(i2c_rx_buff, MY_BUF_SIZE);
+            i2c_return = ov580_I2C.read(&i2c_rx_data, 1);
+            break;
+            
+            case I2CSlave::NoData:
+  //          blue = 1;
+            ov580_I2C.stop();
+            break;
+        }
+    
 
+    // Handle flood and dot illuminators
         if(dot_timer_number > 700 && dot_timer_number < 1499) {
             dot_current_setting = dot_one_ms;
 
@@ -593,6 +655,8 @@
         wait(.01);
        
         silego_check_status();
+        
+        
     }
 }