Diff: DAC_MCP4922.cpp

Revision:

20:c49f3b565a87

Parent:

19:900efc6796d4

Child:

21:3731753ebf24

--- a/DAC_MCP4922.cpp	Fri Jan 30 07:22:28 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,66 +0,0 @@
-//------------------------------------------------------
-// Class for single DAC in MCP4922
-//
-// 2015/01/30, Copyright (c) 2015 MIKAMI, Naoki
-//------------------------------------------------------
-
-#include "DAC_MCP4922.hpp"
-
-namespace Mikami
-{
-    DAC_MCP4922::DAC_MCP4922(DAC dac, PinName mosi, PinName sclk,
-                             PinName cs, PinName ldac)
-        : wcr_(dac | 0x3000), spi_(mosi, NC, sclk),
-          ld_(ldac, 0), mySpi_((SPI_TypeDef*)NULL)
-    {
-        if ( (mosi == PA_7) || (mosi == PB_5) )  mySpi_ = SPI1;
-        if ( (mosi == PB_15) || (mosi == PC_3) ) mySpi_ = SPI2;
-        if ( mosi == PC_12 )                     mySpi_ = SPI3;
-
-        // Set SPI format
-        spi_.format(16, 0);
-        // Clock source of F401 for SPI1    : 84 MHz,
-        //                      SPI2, SPI3  : 42 MHz
-        mySpi_->CR1 = (mySpi_->CR1 & ~SPI_CR1_BR);
-        if (mySpi_ == SPI1) mySpi_->CR1 += SPI_CR1_BR_0;
-#ifdef __STM32F411xE_H
-        mySpi_->CR1 += SPI_CR1_BR_0;
-#endif  // __STM32F411xE_H
-        
-        // timer prescaler is set same value of boud rate for SPI
-        uint16_t psc = (2 << ((mySpi_->CR1 >> 3) & 0x07)) - 1;
-        if (mySpi_ != SPI1) psc = (psc + 1)*2 - 1;
-        ss_ = new Tim4_ss(psc, 19, cs);
-        
-        // Set DAC to 0
-        WriteDac(0);
-        Wait();
-        while (IsBusy()) {}
-    }
-
-    void DAC_MCP4922::ScfClockTim3(uint32_t clock, PinName pin)
-    {
-        if ( (pin != PA_6) && (pin != PB_4) && (pin != PB_5) &&
-             (pin != PC_6) && (pin != PC_7) && (pin != PC_8) && (pin != PC_9) )
-        {
-            fprintf(stderr, "\r\nIllegal pin name in DAC_MCP4922::ScfClockTim3()\r\n");
-            while (true) {}
-        }
-
-        PwmOut clockSCF(pin);
-        
-        TIM3->ARR =  SystemCoreClock/clock - 1;
-        TIM3->PSC = 0;
-        // Set capture/compare register 2
-        if ( (pin == PA_6) || (pin == PB_4) || (pin == PC_6) )
-            TIM3->CCR1 = (TIM3->ARR + 1)/2;    
-        if ( (pin == PB_5) || (pin == PC_7) )
-            TIM3->CCR2 = (TIM3->ARR + 1)/2;    
-        if (pin == PC_8)
-            TIM3->CCR3 = (TIM3->ARR + 1)/2;    
-        if (pin == PC_9)
-            TIM3->CCR4 = (TIM3->ARR + 1)/2;    
-    }
-}
-
-