Axel Utech
Demoapplication for MCP3428
Revision 0:ac3e88ab7ac6, committed 2014-11-05
- Comitter:
- aAXEe
- Date:
- Wed Nov 05 07:22:42 2014 +0000
- Commit message:
- basic handling working
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r ac3e88ab7ac6 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Nov 05 07:22:42 2014 +0000
@@ -0,0 +1,51 @@
+#include "mbed.h"
+
+#define ADC_ADDR (0xD0)
+
+I2C i2c(I2C_SDA, I2C_SCL);
+
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+bool mcp3428_writeConfig(uint8_t conf){
+ return i2c.write(ADC_ADDR, (char*) &conf, 1, 0) == 0;
+}
+
+bool mcp3428_read(uint16_t* data, uint8_t* conf){
+ char buf[3];
+ int ret = i2c.read(ADC_ADDR, buf, 3, 0);
+
+ if(ret != 0)
+ return false;
+
+ *data = buf[0] << 8 | buf[1];
+ *conf = buf[2];
+
+ return true;
+}
+
+int adc_test(void){
+ uint8_t conf = 0x90;
+ uint16_t data = 0;
+
+ if(!mcp3428_writeConfig(conf)) return -1;
+
+ int ret = mcp3428_read(&data, &conf);
+
+ if(!ret) return -2;
+
+ return data;
+
+ }
+
+int main()
+{
+
+ printf("Hello ADC MCP3428\n");
+ while (1) {
+ pc.printf("adc_test: %i\n", adc_test());
+ wait(1.0);
+ }
+
+}
+
diff -r 000000000000 -r ac3e88ab7ac6 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Nov 05 07:22:42 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89 \ No newline at end of file