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1 /*
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2 ******************************************************************************
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3 File: main.c
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4 Info: Generated by Atollic TrueSTUDIO(R) 7.0.1 2017-01-12
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6 The MIT License (MIT)
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7 Copyright (c) 2009-2016 Atollic AB
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8
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9 Permission is hereby granted, free of charge, to any person obtaining a copy
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10 of this software and associated documentation files (the "Software"), to deal
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11 in the Software without restriction, including without limitation the rights
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12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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13 copies of the Software, and to permit persons to whom the Software is
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14 furnished to do so, subject to the following conditions:
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15
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16 The above copyright notice and this permission notice shall be included in all
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17 copies or substantial portions of the Software.
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18
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19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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25 SOFTWARE.
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26 ******************************************************************************
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27 */
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28
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29 /* Includes */
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30 #include "stm32l4xx.h"
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31 #include "gpio.h"
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32
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33 /* Private macro */
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34 /* Private variables */
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35 /* Private function prototypes */
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36 /* Private functions */
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37
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38 /**
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39 **===========================================================================
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40 **
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41 ** Abstract: main program
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42 **
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43 **===========================================================================
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44 */
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45
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46 using namespace halpp;
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47
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48 template<typename TDev, unsigned short PIN, typename TTraits = TGpioTraits<TDev> > class TLed {
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49 TLed();
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50 explicit TLed(const TLed&);
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51 public:
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52 static void Init() {
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53 TTraits::SetPinMode(PIN, GpioModeOutput);
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54 TTraits::SetPinOutputType(PIN, GpioPushPull);
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55 TTraits::SetPinPullMode(PIN, GpioNoPull);
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56 }
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57
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58 static void Set() {
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59 TTraits::WritePin(PIN, 1);
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60 }
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61
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62 static void Reset() {
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63 TTraits::WritePin(PIN, 0);
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64 }
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65
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66 static void Toogle() {
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67 TTraits::TooglePin(PIN);
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68 }
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69 };
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70
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71 template<typename TDev, typename TTraits = TGpioTraits<TDev> > class TLedInst {
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72 const unsigned short m_ledNo;
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73
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74 explicit TLedInst(const TLedInst&);
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75 public:
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76 TLedInst(unsigned short led) : m_ledNo(led) {
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77 }
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78 void Init() const {
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79 TTraits::SetPinMode(m_ledNo, GpioModeOutput);
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80 TTraits::SetPinOutputType(m_ledNo, GpioPushPull);
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81 TTraits::SetPinPullMode(m_ledNo, GpioNoPull);
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82 }
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83
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84 void Set() const {
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85 TTraits::WritePin(m_ledNo, 1);
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86 }
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87
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88 void Reset() const {
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89 TTraits::WritePin(m_ledNo, 0);
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90 }
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91
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92 void Toogle() const {
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93 TTraits::TooglePin(m_ledNo);
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94 }
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95 };
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96
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97 class AHB2Bus {
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98 public:
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99 static void Enable(unsigned int flag) {
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100 RCC->AHB2ENR |= flag;
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101 }
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102 };
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103
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104 class APB1Bus {
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105 public:
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106 static void Enable(unsigned int flag) {
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107 RCC->APB1ENR1 |= flag;
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108 }
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109 };
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110
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111 class APB1Bus2 {
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112 static void Enable(uint32_t flag) {
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113 RCC->APB1ENR2 |= flag;
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114 }
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115 };
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116
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117 template<typename TBus, unsigned short ENF> class TDevice {
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118 public:
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119 static void Enable() {
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120 TBus::Enable(ENF);
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121 }
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122 };
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123
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124 class Hardware {
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125 public:
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126 class GpioA: public TDevice<AHB2Bus, RCC_AHB2ENR_GPIOAEN> {
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127 public:
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128 static GPIO_TypeDef& instance() {
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129 return *GPIOA;
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130 }
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131 };
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132
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133 class Tim3: public TDevice<AHB1Bus, RCC_APB1ENR1_TIM3EN> {
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134 public:
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135 static TIM_TypeDef& instance() {
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136 return *TIM3;
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137 }
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138 };
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139
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140 static const TLedInst<GpioA> greenLed;
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141 static const TLedInst<GpioA> led2;
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142
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143 };
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144
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145 const TLedInst<Hardware::GpioA> Hardware::greenLed(5);
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146 const TLedInst<Hardware::GpioA> Hardware::led2(5);
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147
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148 int main(void) {
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149
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150 /**
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151 * IMPORTANT NOTE!
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152 * The symbol VECT_TAB_SRAM needs to be defined when building the project
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153 * if code has been located to RAM and interrupts are used.
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154 * Otherwise the interrupt table located in flash will be used.
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155 * See also the <system_*.c> file and how the SystemInit() function updates
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156 * SCB->VTOR register.
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157 * E.g. SCB->VTOR = 0x20000000;
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158 */
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159
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160 /* TODO - Add your application code here */
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161
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162 Hardware::GpioA::Enable();
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163 Hardware::greenLed.Init();
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164 Hardware::led2.Init();
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165
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166 /* Infinite loop */
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167 while (1) {
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168 Hardware::greenLed.Toogle();
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169 Hardware::led2.Toogle();
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170
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171 for (int i = 0; i < 1000000; i++) {
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172 }
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173 }
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174 }
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