Diff: main.cpp

Revision:

5:6a1155885fc9

Parent:

4:8e796b751cd3

Child:

6:bce37a45b9cb

diff -r 8e796b751cd3 -r 6a1155885fc9 main.cpp
--- a/main.cpp	Thu Jun 01 07:59:21 2017 +0000
+++ b/main.cpp	Tue Jun 13 04:34:01 2017 +0000
@@ -26,23 +26,65 @@
 //}
 
 #include "mbed.h"
+#include "SPISlave_multiByte.h"
 
-#include "SPISlave_multiByte.h"
-SPISlave_multiByte device(A1, A2, A3, p3); // mosi, miso, sclk, ssel
+//SPISlave_multiByte device(A1, A2, A3, p3); // mosi, miso, sclk, ssel
+SPISlave_multiByte device(p15, p9, p11, p29); // mosi, miso, sclk, ssel
 Serial uart(USBTX, USBRX);
+DigitalOut myled(LED1);
 
-#define TXRX_LENGTH 16  //max is 16
+
+inline void hexview(const char *buffer, unsigned int size) {
+    char byte[50];
+    char text[20];
+    bool big = false;
+    int i;
+    for(i = 0; i < size; ++i) {
+        if((i&0xF) == 0x0) {
+            if(big)
+                printf("%04X: %-49s: %-20s\n", (i&~0xF), byte, text);
+            big = false;
+            byte[0] = '\0';
+            text[0] = '\0';
+        } else if((i&0xF) == 0x8) {
+            big = true;
+            byte[(i&0xF) * 3] = ' ';
+            text[(i&0xF)] = ' ';
+        }
+        unsigned char value = buffer[i];
+        text[(i&0xF) + 0 + big] = (value < 0x20 || value > 0x7F)? '.': value;
+        text[(i&0xF) + 1 + big] = '\0';
+        value = (buffer[i] &0xF0) >> 4;
+        byte[(i&0xF) * 3 + 0 + big] = (value < 0xA)? (value + 0x30): (value + 0x37);
+        value = (buffer[i] &0x0F);
+        byte[(i&0xF) * 3 + 1 + big] = (value < 0xA)? (value + 0x30): (value + 0x37);
+        byte[(i&0xF) * 3 + 2 + big] = ' ';
+        byte[(i&0xF) * 3 + 3 + big] = '\0';
+    }
+    if(byte[0]) {
+        uart.printf("%04X: %-49s: %-20s\n", (i&~0xF), byte, text);
+    }
+    uart.printf("\n");
+}
+
 int main() {
     uart.printf("START!");
-    device.format(8,1);    
-    device.frequency(8000000);
+    device.format(8,0);  
+    myled = 1;
     
-   device.reply((uint8_t*)"xyz", TXRX_LENGTH);
    while(1) {
-       if(device.receive(TXRX_LENGTH)) {
-           int ret = device.read();   // Read byte from master
-           uart.printf("ret = %s ", ret);
-                        
-       }
+    
+    uart.printf("Add: %p \r\n", device.read());
+    uart.printf("%c \r\n", device.read());
+    
+    while (!device.readable()) {
+        __WFE();
+    }
+    hexview((const char *)0x200032D0, 224);
+    //hexview((const char *)ptr, 224);
+    //uart.printf("%c\r\n",m_rx_buf[3]);
+    
+    myled = !myled;
+    wait_ms(200);
    }
 }
\ No newline at end of file