Yu Jiaqi
TEST_CODE_ApplyTo2V1_API
Dependencies: SDFileSystem max32630fthr USBDevice
Diff: AVDD_CONFIG.cpp
- Revision:
- 1:7530b7eb757a
diff -r 5a9619496af2 -r 7530b7eb757a AVDD_CONFIG.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/AVDD_CONFIG.cpp Thu May 28 02:30:39 2020 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "max32630fthr.h"
+#include "USBSerial.h"
+#include "I2CSlave.h"
+
+#define MCP4561_ADDR 0x5C
+
+
+extern I2C i2c_v;
+
+void SetVoltageAVDD(float vol)
+{
+ uint8_t r_value = 0;
+ uint8_t buf[2];
+ r_value = 256 - 27/(vol/1.235 - 1.0)/50*256;
+
+ buf[0] = 0x40;
+ buf[1] = 0x0E;
+ i2c_v.write(MCP4561_ADDR, (char*)buf, 2);
+
+ buf[0] = 0x00;
+ buf[1] = r_value;
+ i2c_v.write(MCP4561_ADDR, (char*)buf, 2);
+}
+
+
+
+