Diff: main.cpp

Revision:

1:3295382ddc81

Parent:

0:9146d1e52be0

Child:

2:b6a0d4ba24a1

--- a/main.cpp	Tue Mar 06 12:33:06 2018 +0000
+++ b/main.cpp	Wed Mar 14 21:04:25 2018 +0000
@@ -1,9 +1,48 @@
 #include "mbed.h"
+#include "main.h"
 
-Serial pc(USBTX, USBRX); // tx, rx
+Serial pc(SERIAL_TX, SERIAL_RX, 115200); // tx, rx
+//DigitalOut led(LED_RED);
+//SPI spi(PTC6,PTC7,PTD1,PTC0);
+//SPI spi(PTC6,PTC7,PTD1); // my prefered, but mixed
+SPI spi(PTC6,PTC7,PTC5); // PTC5 - the LED
+//SPI spi(PTD2,PTD3,PTD1);
+DigitalOut cs(PTC0);
 
 int main()
 {
-    pc.printf("Hello World!\n");
-    while(1);
+    int PROM[8];
+    cs.write(1); // disable all SPI
+    pc.printf("Hello World! 0\r\n");
+    MS5611_init(PROM);
+    for (int i=0; i<8; i++) {
+        pc.printf("Prom(%i): %x\r\n",i,PROM[i]);
+    }
+}
+
+void MS5611_init(int *PROM)
+{
+    spi.format(8,0); // 8 bit mode 0 - this is default anyway but good to code.
+    spi.frequency(1000000); // 1MHz is this the minimum?
+    cs.write(0); // Enable the MS5611 intercae
+    pc.printf("Reset result - expect fe : %x\r\n",spi.write(0x1E)); // reset the device
+    wait_ms(3); // give time for ROM to reload 2.8ms by the spec
+    for (int i=0; i<8; i++) {
+        pc.printf("s: %x r: %x ",0xA0|(i<<1),spi.write(0xA0|(i<<1)));
+        register uint8_t promh=spi.write(0x00);
+        register uint8_t proml=spi.write(0x00);
+        PROM[i]=((promh<<8)|(proml));
+        pc.printf("%i: Code=%x : Reply=%x\r\n",i,0xA0|(i<<1),PROM[i]);
+        wait(1);
+    }
+    cs.write(1); // and disable the interace
+}
+
+
+
+void MS5611(long *D1, long *D2)
+{
+    //  cs.write(0);
+    spi.format(8,0);
+    spi.frequency(1000000);
 }
\ No newline at end of file