src/platform/STM32/timer_stm32f7xx.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "platform.h"
  22
  23 #ifdef USE_TIMER
  24
  25 #include "common/utils.h"
  26
  27 #include "drivers/dma.h"
  28 #include "drivers/io.h"
  29 #include "timer_def.h"
  30
  31 #include "stm32f7xx.h"
  32 #include "drivers/rcc.h"
  33 #include "drivers/timer.h"
  34
  35 const timerDef_t timerDefinitions[HARDWARE_TIMER_DEFINITION_COUNT] = {
  36     { .TIMx = TIM1,  .rcc = RCC_APB2(TIM1),  .inputIrq = TIM1_CC_IRQn},
  37     { .TIMx = TIM2,  .rcc = RCC_APB1(TIM2),  .inputIrq = TIM2_IRQn},
  38     { .TIMx = TIM3,  .rcc = RCC_APB1(TIM3),  .inputIrq = TIM3_IRQn},
  39     { .TIMx = TIM4,  .rcc = RCC_APB1(TIM4),  .inputIrq = TIM4_IRQn},
  40     { .TIMx = TIM5,  .rcc = RCC_APB1(TIM5),  .inputIrq = TIM5_IRQn},
  41     { .TIMx = TIM6,  .rcc = RCC_APB1(TIM6),  .inputIrq = TIM6_DAC_IRQn},
  42     { .TIMx = TIM7,  .rcc = RCC_APB1(TIM7),  .inputIrq = TIM7_IRQn},
  43     { .TIMx = TIM8,  .rcc = RCC_APB2(TIM8),  .inputIrq = TIM8_CC_IRQn},
  44     { .TIMx = TIM9,  .rcc = RCC_APB2(TIM9),  .inputIrq = TIM1_BRK_TIM9_IRQn},
  45     { .TIMx = TIM10, .rcc = RCC_APB2(TIM10), .inputIrq = TIM1_UP_TIM10_IRQn},
  46     { .TIMx = TIM11, .rcc = RCC_APB2(TIM11), .inputIrq = TIM1_TRG_COM_TIM11_IRQn},
  47     { .TIMx = TIM12, .rcc = RCC_APB1(TIM12), .inputIrq = TIM8_BRK_TIM12_IRQn},
  48     { .TIMx = TIM13, .rcc = RCC_APB1(TIM13), .inputIrq = TIM8_UP_TIM13_IRQn},
  49     { .TIMx = TIM14, .rcc = RCC_APB1(TIM14), .inputIrq = TIM8_TRG_COM_TIM14_IRQn},
  50 };
  51
  52 #if defined(USE_TIMER_MGMT)
  53 const timerHardware_t fullTimerHardware[FULL_TIMER_CHANNEL_COUNT] = {
  54 // Auto-generated from 'timer_def.h'
  55 //PORTA
  56     DEF_TIM(TIM2, CH1,  PA0,  0, 0),
  57     DEF_TIM(TIM2, CH2,  PA1,  0, 0),
  58     DEF_TIM(TIM2, CH3,  PA2,  0, 0),
  59     DEF_TIM(TIM2, CH4,  PA3,  0, 0),
  60     DEF_TIM(TIM2, CH1,  PA5,  0, 0),
  61     DEF_TIM(TIM1, CH1N, PA7,  0, 0),
  62     DEF_TIM(TIM1, CH1,  PA8,  0, 0),
  63     DEF_TIM(TIM1, CH2,  PA9,  0, 0),
  64     DEF_TIM(TIM1, CH3,  PA10, 0, 0),
  65     DEF_TIM(TIM1, CH1N, PA11, 0, 0),
  66     DEF_TIM(TIM2, CH1,  PA15, 0, 0),
  67
  68     DEF_TIM(TIM5, CH1,  PA0,  0, 0),
  69     DEF_TIM(TIM5, CH2,  PA1,  0, 0),
  70     DEF_TIM(TIM5, CH3,  PA2,  0, 0),
  71     DEF_TIM(TIM5, CH4,  PA3,  0, 0),
  72     DEF_TIM(TIM3, CH1,  PA6,  0, 0),
  73     DEF_TIM(TIM3, CH2,  PA7,  0, 0),
  74
  75     DEF_TIM(TIM9, CH1,  PA2,  0, 0),
  76     DEF_TIM(TIM9, CH2,  PA3,  0, 0),
  77     DEF_TIM(TIM8, CH1N, PA5,  0, 0),
  78     DEF_TIM(TIM8, CH1N, PA7,  0, 0),
  79
  80     DEF_TIM(TIM13, CH1, PA6,  0, 0),
  81     DEF_TIM(TIM14, CH1, PA7,  0, 0),
  82
  83 //PORTB
  84     DEF_TIM(TIM1, CH2N, PB0,  0, 0),
  85     DEF_TIM(TIM1, CH3N, PB1,  0, 0),
  86     DEF_TIM(TIM2, CH2,  PB3,  0, 0),
  87     DEF_TIM(TIM2, CH3,  PB10, 0, 0),
  88     DEF_TIM(TIM2, CH4,  PB11, 0, 0),
  89     DEF_TIM(TIM1, CH1N, PB13, 0, 0),
  90     DEF_TIM(TIM1, CH2N, PB14, 0, 0),
  91     DEF_TIM(TIM1, CH3N, PB15, 0, 0),
  92
  93     DEF_TIM(TIM3, CH3,  PB0,  0, 0),
  94     DEF_TIM(TIM3, CH4,  PB1,  0, 0),
  95     DEF_TIM(TIM3, CH1,  PB4,  0, 0),
  96     DEF_TIM(TIM3, CH2,  PB5,  0, 0),
  97     DEF_TIM(TIM4, CH1,  PB6,  0, 0),
  98     DEF_TIM(TIM4, CH2,  PB7,  0, 0),
  99     DEF_TIM(TIM4, CH3,  PB8,  0, 0),
 100     DEF_TIM(TIM4, CH4,  PB9,  0, 0),
 101
 102     DEF_TIM(TIM8, CH2N, PB0,  0, 0),
 103     DEF_TIM(TIM8, CH3N, PB1,  0, 0),
 104     DEF_TIM(TIM10, CH1, PB8,  0, 0),
 105     DEF_TIM(TIM11, CH1, PB9,  0, 0),
 106     DEF_TIM(TIM8, CH2N, PB14, 0, 0),
 107     DEF_TIM(TIM8, CH3N, PB15, 0, 0),
 108
 109     DEF_TIM(TIM12, CH1, PB14, 0, 0),
 110     DEF_TIM(TIM12, CH2, PB15, 0, 0),
 111
 112 //PORTC
 113     DEF_TIM(TIM3, CH1,  PC6,  0, 0),
 114     DEF_TIM(TIM3, CH2,  PC7,  0, 0),
 115     DEF_TIM(TIM3, CH3,  PC8,  0, 0),
 116     DEF_TIM(TIM3, CH4,  PC9,  0, 0),
 117
 118     DEF_TIM(TIM8, CH1,  PC6,  0, 0),
 119     DEF_TIM(TIM8, CH2,  PC7,  0, 0),
 120     DEF_TIM(TIM8, CH3,  PC8,  0, 0),
 121     DEF_TIM(TIM8, CH4,  PC9,  0, 0),
 122
 123 //PORTD
 124     DEF_TIM(TIM4, CH1,  PD12, 0, 0),
 125     DEF_TIM(TIM4, CH2,  PD13, 0, 0),
 126     DEF_TIM(TIM4, CH3,  PD14, 0, 0),
 127     DEF_TIM(TIM4, CH4,  PD15, 0, 0),
 128
 129 //PORTE
 130     DEF_TIM(TIM1, CH1N, PE8,  0, 0),
 131     DEF_TIM(TIM1, CH1,  PE9,  0, 0),
 132     DEF_TIM(TIM1, CH2N, PE10, 0, 0),
 133     DEF_TIM(TIM1, CH2,  PE11, 0, 0),
 134     DEF_TIM(TIM1, CH3N, PE12, 0, 0),
 135     DEF_TIM(TIM1, CH3,  PE13, 0, 0),
 136     DEF_TIM(TIM1, CH4,  PE14, 0, 0),
 137
 138     DEF_TIM(TIM9, CH1,  PE5,  0, 0),
 139     DEF_TIM(TIM9, CH2,  PE6,  0, 0),
 140
 141 //PORTF
 142     DEF_TIM(TIM10, CH1, PF6,  0, 0),
 143     DEF_TIM(TIM11, CH1, PF7,  0, 0),
 144
 145 //PORTH
 146 // Port I is not available for LPQFP-100 or 144 package
 147 //    DEF_TIM(TIM5, CH1, PH10, 0, 0),
 148 //    DEF_TIM(TIM5, CH2, PH11, 0, 0),
 149 //    DEF_TIM(TIM5, CH3, PH12, 0, 0),
 150 //
 151 //    DEF_TIM(TIM8, CH1N, PH13, 0, 0),
 152 //    DEF_TIM(TIM8, CH2N, PH14, 0, 0),
 153 //    DEF_TIM(TIM8, CH3N, PH15, 0, 0),
 154 //
 155 //    DEF_TIM(TIM12, CH1, PH6, 0, 0),
 156 //    DEF_TIM(TIM12, CH2, PH9, 0, 0),
 157
 158 //PORTI
 159 // Port I is not available for LPQFP-100 or 144 package
 160 //    DEF_TIM(TIM5, CH4, PI0, 0, 0),
 161 //
 162 //    DEF_TIM(TIM8, CH4, PI2, 0, 0),
 163 //    DEF_TIM(TIM8, CH1, PI5, 0, 0),
 164 //    DEF_TIM(TIM8, CH2, PI6, 0, 0),
 165 //    DEF_TIM(TIM8, CH3, PI7, 0, 0),
 166 };
 167 #endif
 168
 169 /*
 170     need a mapping from dma and timers to pins, and the values should all be set here to the dmaMotors array.
 171     this mapping could be used for both these motors and for led strip.
 172
 173     only certain pins have OC output (already used in normal PWM et al) but then
 174     there are only certain DMA streams/channels available for certain timers and channels.
 175      *** (this may highlight some hardware limitations on some targets) ***
 176
 177     DMA1
 178
 179     Channel Stream0     Stream1     Stream2     Stream3     Stream4     Stream5     Stream6     Stream7
 180     0
 181     1
 182     2       TIM4_CH1                            TIM4_CH2                                        TIM4_CH3
 183     3                   TIM2_CH3                                        TIM2_CH1    TIM2_CH2    TIM2_CH4
 184                                                                                     TIM2_CH4
 185     4
 186     5                               TIM3_CH4                TIM3_CH1    TIM3_CH2                TIM3_CH3
 187     6       TIM5_CH3    TIM5_CH4    TIM5_CH1    TIM5_CH4    TIM5_CH2
 188     7
 189
 190     DMA2
 191
 192     Channel Stream0     Stream1     Stream2     Stream3     Stream4     Stream5     Stream6     Stream7
 193     0                               TIM8_CH1                                        TIM1_CH1
 194                                     TIM8_CH2                                        TIM1_CH2
 195                                     TIM8_CH3                                        TIM1_CH3
 196     1
 197     2
 198     3
 199     4
 200     5
 201     6                   TIM1_CH1    TIM1_CH2    TIM1_CH1    TIM1_CH4                TIM1_CH3
 202     7                               TIM8_CH1    TIM8_CH2    TIM8_CH3                            TIM8_CH4
 203 */
 204
 205 uint32_t timerClock(const TIM_TypeDef *tim)
 206 {
 207     UNUSED(tim);
 208     return SystemCoreClock;
 209 }
 210 #endif