Diff: MAX5171.cpp

Revision:

3:79839617d532

Parent:

1:e73245718b2a

Child:

4:1984eef51fe3

--- a/MAX5171.cpp	Mon Jun 17 05:30:16 2019 +0000
+++ b/MAX5171.cpp	Fri Jun 21 08:17:41 2019 +0000
@@ -127,19 +127,19 @@
                  DigitalIn &UPO_pin, // Digital General-Purpose Output from MAX5171 device
                  // CODE GENERATOR: class constructor definition ic_variant
                  MAX5171_ic_t ic_variant)
-// CODE GENERATOR: class constructor initializer list
+    // CODE GENERATOR: class constructor initializer list
     : m_spi(spi), m_cs_pin(cs_pin), // SPI interface
-      // CODE GENERATOR: class constructor initializer list gpio InputPin pins
-      // m_FB_pin(FB_pin), // Analog Input to MAX5171 device
-      m_RS_pin(RS_pin), // Digital Configuration Input to MAX5171 device
-      m_PDLb_pin(PDLb_pin), // Digital Configuration Input to MAX5171 device
-      m_CLRb_pin(CLRb_pin), // Digital Configuration Input to MAX5171 device
-      m_SHDN_pin(SHDN_pin), // Digital Configuration Input to MAX5171 device
-      // CODE GENERATOR: class constructor initializer list gpio OutputPin pins
-      // m_OUT_pin(OUT_pin), // Analog Output from MAX5171 device
-      m_UPO_pin(UPO_pin), // Digital General-Purpose Output from MAX5171 device
-      // CODE GENERATOR: class constructor initializer list ic_variant
-      m_ic_variant(ic_variant)
+    // CODE GENERATOR: class constructor initializer list gpio InputPin pins
+    // m_FB_pin(FB_pin), // Analog Input to MAX5171 device
+    m_RS_pin(RS_pin), // Digital Configuration Input to MAX5171 device
+    m_PDLb_pin(PDLb_pin), // Digital Configuration Input to MAX5171 device
+    m_CLRb_pin(CLRb_pin), // Digital Configuration Input to MAX5171 device
+    m_SHDN_pin(SHDN_pin), // Digital Configuration Input to MAX5171 device
+    // CODE GENERATOR: class constructor initializer list gpio OutputPin pins
+    // m_OUT_pin(OUT_pin), // Analog Output from MAX5171 device
+    m_UPO_pin(UPO_pin), // Digital General-Purpose Output from MAX5171 device
+    // CODE GENERATOR: class constructor initializer list ic_variant
+    m_ic_variant(ic_variant)
 {
     // CODE GENERATOR: class constructor definition SPI interface initialization
     //
@@ -246,12 +246,14 @@
         cmdLine_microUSBserial.serial().printf(" byteCount:%d", byteCount);
     }
     cmdLine_microUSBserial.serial().printf(" MOSI->");
-    for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++) {
+    for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
+    {
         cmdLine_microUSBserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
     }
     // hex dump misoData[0..byteCount-1]
     cmdLine_microUSBserial.serial().printf("  MISO<-");
-    for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++) {
+    for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
+    {
         cmdLine_microUSBserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
     }
     cmdLine_microUSBserial.serial().printf(" ");
@@ -262,12 +264,14 @@
         cmdLine_DAPLINKserial.serial().printf(" byteCount:%d", byteCount);
     }
     cmdLine_DAPLINKserial.serial().printf(" MOSI->");
-    for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++) {
+    for (unsigned int byteIndex = 0; byteIndex < byteCount; byteIndex++)
+    {
         cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", mosiData[byteIndex]);
     }
     // hex dump misoData[0..byteCount-1]
     cmdLine_DAPLINKserial.serial().printf("  MISO<-");
-    for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++) {
+    for (unsigned int byteIndex = 0; byteIndex < numBytesTransferred; byteIndex++)
+    {
         cmdLine_DAPLINKserial.serial().printf(" 0x%2.2X", misoData[byteIndex]);
     }
     cmdLine_DAPLINKserial.serial().printf(" ");
@@ -286,7 +290,11 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::Init(void)
 {
-
+    
+    //----------------------------------------
+    // Nominal Full-Scale Voltage Reference
+    VRef = 2.500;
+    
     //----------------------------------------
     // success
     return 1;
@@ -301,7 +309,7 @@
 // @return raw 14-bit MAX5171 code (right justified).
 uint16_t MAX5171::DACCodeOfVoltage(double voltageV)
 {
-
+    
     //----------------------------------------
     // Linear map min and max endpoints
     const double MaxScaleVoltage = VRef; // voltage of maximum code 0x3fff
@@ -312,9 +320,11 @@
     double codeFraction = (voltageV - MinScaleVoltage) / (MaxScaleVoltage - MinScaleVoltage);
     double dacRegValueIdeal = ((codeFraction * (double)(MaxCode - MinCode + 1)) + MinCode + 0.5);
     uint16_t dacRegValue = (uint16_t)dacRegValueIdeal;
-    if (dacRegValueIdeal > MaxCode) {
+    if (dacRegValueIdeal > MaxCode)
+    {
         dacRegValue = MaxCode;
-    } else if (dacRegValueIdeal < MinCode) {
+    } else if (dacRegValueIdeal < MinCode)
+    {
         dacRegValue = MinCode;
     }
     return dacRegValue;
@@ -329,7 +339,7 @@
 // @return physical voltage corresponding to MAX5171 code.
 double MAX5171::VoltageOfCode(uint16_t value_u14)
 {
-
+    
     //----------------------------------------
     // Linear map min and max endpoints
     double MaxScaleVoltage = VRef; // voltage of maximum code 0x3fff
@@ -348,22 +358,22 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::CODE(uint16_t dacCodeLsbs)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_00dd_dddd_dddd_dddd_CODE
-                          | ((0x3FFF & dacCodeLsbs) << 0); // left-align dddd_dddd_dddd
-
+        | ((0x3FFF & dacCodeLsbs) << 0); // left-align dddd_dddd_dddd
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // shadow of write-only register CMD_00dd_dddd_dddd_dddd_CODE
     DACCode = dacCodeLsbs;
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -376,22 +386,22 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::CODE_LOAD(uint16_t dacCodeLsbs)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_01dd_dddd_dddd_dddd_CODE_LOAD
-                          | ((0x3FFF & dacCodeLsbs) << 0); // left-align dddd_dddd_dddd
-
+        | ((0x3FFF & dacCodeLsbs) << 0); // left-align dddd_dddd_dddd
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // shadow of write-only register CMD_00dd_dddd_dddd_dddd_CODE
     DACCode = dacCodeLsbs;
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -405,17 +415,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::LOAD(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_10xx_xxxx_xxxx_xxxx_LOAD;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -428,17 +438,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::NOP(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_1100_xxxx_xxxx_xxxx_NOP;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -451,17 +461,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::SHUTDOWN(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_1101_xxxx_xxxx_xxxx_SHUTDOWN;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -474,17 +484,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::UPO_LOW(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_1110_0xxx_xxxx_xxxx_UPO_LOW;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -497,17 +507,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::UPO_HIGH(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_1110_1xxx_xxxx_xxxx_UPO_HIGH;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -520,17 +530,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::MODE1_DOUT_SCLK_RISING_EDGE(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_1111_0xxx_xxxx_xxxx_MODE1_DOUT_SCLK_RISING_EDGE;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;
@@ -543,17 +553,17 @@
 // @return 1 on success; 0 on failure
 uint8_t MAX5171::MODE0_DOUT_SCLK_FALLING_EDGE(void)
 {
-
+    
     //----------------------------------------
     // Define command code
     uint16_t mosiData16 = CMD_1111_1xxx_xxxx_xxxx_MODE0_DOUT_SCLK_FALLING_EDGE;
-
+    
     //----------------------------------------
     // SPI write 16-bit mosiData16
     SPIoutputCS(0);
     SPIwrite16bits(mosiData16);
     SPIoutputCS(1);
-
+    
     //----------------------------------------
     // success
     return 1;