不韋 呂 / UITDSP_ADDA

Class library for internal ADC and DAC connected by SPI. This library support clock generator using TIM3 for switched-capacitor filter to smooth output signal of DAC. This library includes derivative class to support interrupt occured in end of AD conversion. Validated for ST Nucleo F401RE, F411RE. 内蔵 ADC と，SPI 接続の DAC のためのクラスライブラリ．DAC の出力信号を平滑化するためのスイッチトキャパシタフィルタ用のクロックは TIM3 を使用．ST Nucleo F401RE，F411RE で動作を確認．

Dependents:   UITDSP_ADDA_Example UIT2_MovingAv_Intr UIT2_VariableFIR UIT2_VowelSynthesizer ... more

tim4_slaveSelect.hpp@5:ff25db28bc64, 2015-03-26 (annotated)

Committer:
MikamiUitOpen
Date:
Thu Mar 26 12:41:31 2015 +0000
Revision:
5:ff25db28bc64
Parent:
4:03c4518de836 
6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:03c4518de836 1 //------------------------------------------------------
MikamiUitOpen 4:03c4518de836 2 // Class for generate SPI slave select using TIM4
MikamiUitOpen 4:03c4518de836 3 //
MikamiUitOpen 4:03c4518de836 4 // Default pin assignments: PB_6 (D10)
MikamiUitOpen 4:03c4518de836 5 // PB_7, PB_8 (D15), and PB_9 (D14) also can be used
MikamiUitOpen 5:ff25db28bc64 6 // 2015/03/26, Copyright (c) 2015 MIKAMI, Naoki
MikamiUitOpen 4:03c4518de836 7 //------------------------------------------------------
MikamiUitOpen 4:03c4518de836 8
MikamiUitOpen 4:03c4518de836 9 #ifndef TIM4_SLAVESELECT_HPP
MikamiUitOpen 4:03c4518de836 10 #define TIM4_SLAVESELECT_HPP
MikamiUitOpen 4:03c4518de836 11
MikamiUitOpen 4:03c4518de836 12 #include "mbed.h"
MikamiUitOpen 4:03c4518de836 13
MikamiUitOpen 4:03c4518de836 14 namespace Mikami
MikamiUitOpen 4:03c4518de836 15 {
MikamiUitOpen 4:03c4518de836 16 class Tim4_ss
MikamiUitOpen 4:03c4518de836 17 {
MikamiUitOpen 4:03c4518de836 18 public:
MikamiUitOpen 4:03c4518de836 19 Tim4_ss(uint16_t psc, // prescaler
MikamiUitOpen 5:ff25db28bc64 20 uint16_t arr, // auto-reload register
MikamiUitOpen 4:03c4518de836 21 PinName pin = PB_6) // pin name
MikamiUitOpen 4:03c4518de836 22 : myTim_(TIM4)
MikamiUitOpen 4:03c4518de836 23 {
MikamiUitOpen 4:03c4518de836 24 PwmOut css(pin);
MikamiUitOpen 4:03c4518de836 25 myTim_->CR1 |= TIM_CR1_OPM; // one-pulse mode
MikamiUitOpen 4:03c4518de836 26 myTim_->PSC = psc; // prescaler
MikamiUitOpen 4:03c4518de836 27 myTim_->ARR = arr; // pulse width
MikamiUitOpen 4:03c4518de836 28 if (pin == PB_6) myTim_->CCR1 = 1;
MikamiUitOpen 4:03c4518de836 29 if (pin == PB_7) myTim_->CCR2 = 1;
MikamiUitOpen 4:03c4518de836 30 if (pin == PB_8) myTim_->CCR3 = 1;
MikamiUitOpen 4:03c4518de836 31 if (pin == PB_9) myTim_->CCR4 = 1;
MikamiUitOpen 4:03c4518de836 32 if ( (pin != PB_6) && (pin != PB_7)
MikamiUitOpen 4:03c4518de836 33 &&(pin != PB_8) && (pin != PB_9) )
MikamiUitOpen 4:03c4518de836 34 {
MikamiUitOpen 4:03c4518de836 35 fprintf(stderr, "\r\nIllegal pin name in Tim4_ss class\r\n");
MikamiUitOpen 4:03c4518de836 36 while (true) {}
MikamiUitOpen 4:03c4518de836 37 }
MikamiUitOpen 4:03c4518de836 38 }
MikamiUitOpen 4:03c4518de836 39 // Generate slave select
MikamiUitOpen 4:03c4518de836 40 void SlaveSelect()
MikamiUitOpen 4:03c4518de836 41 {
MikamiUitOpen 4:03c4518de836 42 myTim_->CNT = 0; // Set counter 0
MikamiUitOpen 4:03c4518de836 43 myTim_->CR1 |= TIM_CR1_CEN; // Enable TIM4
MikamiUitOpen 4:03c4518de836 44 __NOP();
MikamiUitOpen 4:03c4518de836 45 __NOP();
MikamiUitOpen 4:03c4518de836 46 __NOP();
MikamiUitOpen 4:03c4518de836 47 __NOP();
MikamiUitOpen 4:03c4518de836 48 #ifdef __STM32F411xE_H
MikamiUitOpen 4:03c4518de836 49 __NOP();
MikamiUitOpen 4:03c4518de836 50 __NOP();
MikamiUitOpen 4:03c4518de836 51 #endif // __STM32F411xE_H
MikamiUitOpen 4:03c4518de836 52 }
MikamiUitOpen 4:03c4518de836 53 private:
MikamiUitOpen 4:03c4518de836 54 TIM_TypeDef* myTim_;
MikamiUitOpen 4:03c4518de836 55
MikamiUitOpen 4:03c4518de836 56 // Forbid to use copy constructor
MikamiUitOpen 4:03c4518de836 57 Tim4_ss(const Tim4_ss&);
MikamiUitOpen 4:03c4518de836 58 // Forbid to use substitution operator
MikamiUitOpen 4:03c4518de836 59 Tim4_ss operator=(const Tim4_ss&);
MikamiUitOpen 4:03c4518de836 60 };
MikamiUitOpen 4:03c4518de836 61 }
MikamiUitOpen 4:03c4518de836 62 #endif // TIM4_SLAVESELECT_HPP