Ryo Od
MCP3208 and Ticker class test
Revision 0:657424dc6103, committed 2017-06-09
- Comitter:
- ryood
- Date:
- Fri Jun 09 01:14:11 2017 +0000
- Commit message:
- first commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jun 09 01:14:11 2017 +0000
@@ -0,0 +1,50 @@
+#include "mbed.h"
+#include "mcp3208.h"
+
+#define SAMPLING_RATE (96000)
+#define SAMPLING_PERIOD (1.0f/SAMPLING_RATE)
+
+DigitalOut checkPin(D2);
+
+void isr()
+{
+ checkPin = 1;
+ wait_us(1);
+ checkPin = 0;
+}
+
+int main()
+{
+ SPI spiM(SPI_MOSI, SPI_MISO, SPI_SCK);
+ spiM.frequency(4000000);
+ MCP3208 mcp3208_0(spiM, D10);
+ MCP3208 mcp3208_1(spiM, D9);
+
+ float v0[8];
+ float v1[8];
+
+ Ticker t;
+ t.attach(&isr, SAMPLING_PERIOD);
+
+ for (;;) {
+ for (int i = 0; i < 8; i++) {
+ v0[i] = mcp3208_0.read_input(i);
+ }
+ for (int i = 0; i < 8; i++) {
+ v1[i] = mcp3208_1.read_input(i);
+ }
+
+ printf("Device0\t");
+ for (int i = 0; i < 8; i++) {
+ printf("%.3f\t", v0[i]);
+ }
+ printf("\r\n");
+ printf("Device1\t");
+ for (int i = 0; i < 8; i++) {
+ printf("%.3f\t", v1[i]);
+ }
+ printf("\r\n");
+
+ wait(0.2);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jun 09 01:14:11 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/86740a56073b \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mcp3208.lib Fri Jun 09 01:14:11 2017 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/Kemp/code/mcp3208/#e7de500b1f2d