Diff: main.cpp

Revision:

16:8f8adc5f8f0a

Parent:

15:d3c93f01a02b

Child:

17:f200f87b4087

--- a/main.cpp	Mon Jan 31 20:43:05 2022 +0000
+++ b/main.cpp	Mon Jan 31 21:44:38 2022 +0000
@@ -25,7 +25,8 @@
 
 int spi_enabled = 0;
 InterruptIn cs(PA_4);
-SPISlave spi(PA_7, PA_6, PA_5, PA_4);
+SPISlave *spi;
+//SPISlave spi(PA_7, PA_6, PA_5, PA_4);
 
 uint32_t xor_checksum(uint32_t* data, size_t len)
 {
@@ -80,9 +81,9 @@
     int bytecount = 0;
     //spi.reply(tx_buff[0]);
     while (cs==0){
-        if(spi.receive()) {
-            rx_buff[bytecount] = spi.read();
-            if (bytecount<TX_LEN) {spi.reply(tx_buff[bytecount]);}
+        if(spi->receive()) {
+            rx_buff[bytecount] = spi->read();
+            if (bytecount<TX_LEN) {spi->reply(tx_buff[bytecount]);}
             bytecount++;
         }
     }
@@ -122,9 +123,10 @@
     // Wait for CS to not be low, then enable SPI
     if(!spi_enabled){ 
         while((spi_enabled==0) && (cs.read()==0)){pc.printf("waiting for CS Pin\n"); wait_us(10);}
-        spi.format(8, 0);
-        spi.frequency(500000);
-        spi.reply(0x0);
+        spi = new SPISlave(PA_7, PA_6, PA_5, PA_4);
+        spi->format(8, 0);
+        spi->frequency(500000);
+        spi->reply(0x0);
         spi_enabled = 1;
         cs.fall(&spi_isr);
         pc.printf("SPI ENABLED AND READY\n");