mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_STM/TARGET_NUCLEO_F334R8/pwmout_api.c@251:de9a1e4ffd79, 2014-07-08 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Jul 08 14:15:07 2014 +0100
- Revision:
- 251:de9a1e4ffd79
- Parent:
- 250:a49055e7a707
- Child:
- 285:31249416b6f9
Synchronized with git revision b0ac1e3485a9aa1cb98d1ca68df9d1cdbcd6ce63
Full URL: https://github.com/mbedmicro/mbed/commit/b0ac1e3485a9aa1cb98d1ca68df9d1cdbcd6ce63/
Revert "error.h -> mbed_error.h"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 237:f3da66175598 | 1 | /* mbed Microcontroller Library |
mbed_official | 237:f3da66175598 | 2 | ******************************************************************************* |
mbed_official | 237:f3da66175598 | 3 | * Copyright (c) 2014, STMicroelectronics |
mbed_official | 237:f3da66175598 | 4 | * All rights reserved. |
mbed_official | 237:f3da66175598 | 5 | * |
mbed_official | 237:f3da66175598 | 6 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 237:f3da66175598 | 7 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 237:f3da66175598 | 8 | * |
mbed_official | 237:f3da66175598 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 237:f3da66175598 | 10 | * this list of conditions and the following disclaimer. |
mbed_official | 237:f3da66175598 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 237:f3da66175598 | 12 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 237:f3da66175598 | 13 | * and/or other materials provided with the distribution. |
mbed_official | 237:f3da66175598 | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 237:f3da66175598 | 15 | * may be used to endorse or promote products derived from this software |
mbed_official | 237:f3da66175598 | 16 | * without specific prior written permission. |
mbed_official | 237:f3da66175598 | 17 | * |
mbed_official | 237:f3da66175598 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 237:f3da66175598 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 237:f3da66175598 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 237:f3da66175598 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 237:f3da66175598 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 237:f3da66175598 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 237:f3da66175598 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 237:f3da66175598 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 237:f3da66175598 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 237:f3da66175598 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 237:f3da66175598 | 28 | ******************************************************************************* |
mbed_official | 237:f3da66175598 | 29 | */ |
mbed_official | 237:f3da66175598 | 30 | #include "pwmout_api.h" |
mbed_official | 237:f3da66175598 | 31 | |
mbed_official | 237:f3da66175598 | 32 | #if DEVICE_PWMOUT |
mbed_official | 237:f3da66175598 | 33 | |
mbed_official | 237:f3da66175598 | 34 | #include "cmsis.h" |
mbed_official | 237:f3da66175598 | 35 | #include "pinmap.h" |
mbed_official | 251:de9a1e4ffd79 | 36 | #include "error.h" |
mbed_official | 237:f3da66175598 | 37 | |
mbed_official | 237:f3da66175598 | 38 | // TIM2 cannot be used because already used by the us_ticker |
mbed_official | 237:f3da66175598 | 39 | static const PinMap PinMap_PWM[] = { |
mbed_official | 237:f3da66175598 | 40 | // {PA_0, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH1 |
mbed_official | 237:f3da66175598 | 41 | // {PA_1, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH2 |
mbed_official | 237:f3da66175598 | 42 | {PA_1, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM15)}, // TIM15_CH1N |
mbed_official | 237:f3da66175598 | 43 | // {PA_2, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH3 |
mbed_official | 237:f3da66175598 | 44 | {PA_2, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM15)}, // TIM15_CH1 |
mbed_official | 237:f3da66175598 | 45 | // {PA_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH4 |
mbed_official | 237:f3da66175598 | 46 | {PA_3, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF9_TIM15)}, // TIM15_CH2 |
mbed_official | 237:f3da66175598 | 47 | {PA_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH2 |
mbed_official | 237:f3da66175598 | 48 | // {PA_5, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH1 |
mbed_official | 237:f3da66175598 | 49 | {PA_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM16)}, // TIM16_CH1 |
mbed_official | 237:f3da66175598 | 50 | // {PA_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH1 |
mbed_official | 237:f3da66175598 | 51 | {PA_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM17)}, // TIM17_CH1 - ARDUINO |
mbed_official | 237:f3da66175598 | 52 | // {PA_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH2 - ARDUINO |
mbed_official | 237:f3da66175598 | 53 | // {PA_7, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH1N - ARDUINO |
mbed_official | 237:f3da66175598 | 54 | {PA_8, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH1 |
mbed_official | 237:f3da66175598 | 55 | {PA_9, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH2 |
mbed_official | 237:f3da66175598 | 56 | // {PA_9, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_TIM2)}, // TIM2_CH3 |
mbed_official | 237:f3da66175598 | 57 | {PA_10, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH3 |
mbed_official | 237:f3da66175598 | 58 | // {PA_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_TIM2)}, // TIM2_CH4 |
mbed_official | 237:f3da66175598 | 59 | // {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH1N |
mbed_official | 237:f3da66175598 | 60 | {PA_11, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF11_TIM1)}, // TIM1_CH4 |
mbed_official | 237:f3da66175598 | 61 | {PA_12, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM16)}, // TIM16_CH1 |
mbed_official | 237:f3da66175598 | 62 | // {PA_12, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH2N |
mbed_official | 237:f3da66175598 | 63 | {PA_13, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM16)}, // TIM16_CH1N |
mbed_official | 237:f3da66175598 | 64 | // {PA_15, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH1 |
mbed_official | 237:f3da66175598 | 65 | |
mbed_official | 237:f3da66175598 | 66 | {PB_0, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH3 |
mbed_official | 237:f3da66175598 | 67 | // {PB_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH2N |
mbed_official | 237:f3da66175598 | 68 | {PB_1, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH4 |
mbed_official | 237:f3da66175598 | 69 | // {PB_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH3N |
mbed_official | 237:f3da66175598 | 70 | // {PB_3, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH2 - ARDUINO --> USED BY TIMER |
mbed_official | 237:f3da66175598 | 71 | {PB_4, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM16)}, // TIM16_CH1 - ARDUINO |
mbed_official | 237:f3da66175598 | 72 | // {PB_4, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH1 - ARDUINO |
mbed_official | 237:f3da66175598 | 73 | // {PB_5, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH2 |
mbed_official | 237:f3da66175598 | 74 | {PB_5, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_TIM17)}, // TIM17_CH1 |
mbed_official | 237:f3da66175598 | 75 | {PB_6, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM16)}, // TIM16_CH1N - ARDUINO |
mbed_official | 237:f3da66175598 | 76 | // {PB_7, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM17)}, // TIM17_CH1N |
mbed_official | 237:f3da66175598 | 77 | {PB_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_TIM3)}, // TIM3_CH4 |
mbed_official | 237:f3da66175598 | 78 | {PB_8, PWM_16, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM16)}, // TIM16_CH1 |
mbed_official | 237:f3da66175598 | 79 | {PB_9, PWM_17, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM17)}, // TIM17_CH1 |
mbed_official | 237:f3da66175598 | 80 | // {PB_10, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH3 - ARDUINO --> USED BY TIMER |
mbed_official | 237:f3da66175598 | 81 | // {PB_11, PWM_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2)}, // TIM2_CH4 |
mbed_official | 237:f3da66175598 | 82 | {PB_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH1N |
mbed_official | 237:f3da66175598 | 83 | {PB_14, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH1 |
mbed_official | 237:f3da66175598 | 84 | // {PB_14, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH2N |
mbed_official | 237:f3da66175598 | 85 | {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM15)}, // TIM15_CH2 |
mbed_official | 237:f3da66175598 | 86 | // {PB_15, PWM_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM15)}, // TIM15_CH1N |
mbed_official | 237:f3da66175598 | 87 | // {PB_15, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM1)}, // TIM1_CH3N |
mbed_official | 237:f3da66175598 | 88 | |
mbed_official | 237:f3da66175598 | 89 | {PC_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH1 |
mbed_official | 237:f3da66175598 | 90 | {PC_1, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH2 |
mbed_official | 237:f3da66175598 | 91 | {PC_2, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH3 |
mbed_official | 237:f3da66175598 | 92 | {PC_3, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1)}, // TIM1_CH4 |
mbed_official | 237:f3da66175598 | 93 | {PC_6, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH1 |
mbed_official | 237:f3da66175598 | 94 | {PC_7, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH2 - ARDUINO |
mbed_official | 237:f3da66175598 | 95 | {PC_8, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH3 |
mbed_official | 237:f3da66175598 | 96 | {PC_9, PWM_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM3)}, // TIM3_CH4 |
mbed_official | 237:f3da66175598 | 97 | {PC_13, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM1)}, // TIM1_CH1N |
mbed_official | 237:f3da66175598 | 98 | |
mbed_official | 237:f3da66175598 | 99 | {PF_0, PWM_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_TIM1)}, // TIM1_CH3N |
mbed_official | 237:f3da66175598 | 100 | {NC, NC, 0} |
mbed_official | 237:f3da66175598 | 101 | }; |
mbed_official | 237:f3da66175598 | 102 | |
mbed_official | 237:f3da66175598 | 103 | static TIM_HandleTypeDef TimHandle; |
mbed_official | 237:f3da66175598 | 104 | |
mbed_official | 237:f3da66175598 | 105 | void pwmout_init(pwmout_t* obj, PinName pin) |
mbed_official | 237:f3da66175598 | 106 | { |
mbed_official | 237:f3da66175598 | 107 | // Get the peripheral name from the pin and assign it to the object |
mbed_official | 237:f3da66175598 | 108 | obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); |
mbed_official | 237:f3da66175598 | 109 | |
mbed_official | 237:f3da66175598 | 110 | if (obj->pwm == (PWMName)NC) { |
mbed_official | 237:f3da66175598 | 111 | error("PWM error: pinout mapping failed."); |
mbed_official | 237:f3da66175598 | 112 | } |
mbed_official | 237:f3da66175598 | 113 | |
mbed_official | 237:f3da66175598 | 114 | // Enable TIM clock |
mbed_official | 237:f3da66175598 | 115 | if (obj->pwm == PWM_1) __TIM1_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 116 | if (obj->pwm == PWM_2) __TIM2_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 117 | if (obj->pwm == PWM_3) __TIM3_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 118 | if (obj->pwm == PWM_15) __TIM15_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 119 | if (obj->pwm == PWM_16) __TIM16_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 120 | if (obj->pwm == PWM_17) __TIM17_CLK_ENABLE(); |
mbed_official | 237:f3da66175598 | 121 | |
mbed_official | 237:f3da66175598 | 122 | // Configure GPIO |
mbed_official | 237:f3da66175598 | 123 | pinmap_pinout(pin, PinMap_PWM); |
mbed_official | 237:f3da66175598 | 124 | |
mbed_official | 237:f3da66175598 | 125 | obj->pin = pin; |
mbed_official | 237:f3da66175598 | 126 | obj->period = 0; |
mbed_official | 237:f3da66175598 | 127 | obj->pulse = 0; |
mbed_official | 237:f3da66175598 | 128 | |
mbed_official | 237:f3da66175598 | 129 | pwmout_period_us(obj, 20000); // 20 ms per default |
mbed_official | 237:f3da66175598 | 130 | } |
mbed_official | 237:f3da66175598 | 131 | |
mbed_official | 237:f3da66175598 | 132 | void pwmout_free(pwmout_t* obj) |
mbed_official | 237:f3da66175598 | 133 | { |
mbed_official | 237:f3da66175598 | 134 | // Configure GPIO |
mbed_official | 237:f3da66175598 | 135 | pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); |
mbed_official | 237:f3da66175598 | 136 | } |
mbed_official | 237:f3da66175598 | 137 | |
mbed_official | 237:f3da66175598 | 138 | void pwmout_write(pwmout_t* obj, float value) |
mbed_official | 237:f3da66175598 | 139 | { |
mbed_official | 237:f3da66175598 | 140 | TIM_OC_InitTypeDef sConfig; |
mbed_official | 237:f3da66175598 | 141 | int channel = 0; |
mbed_official | 237:f3da66175598 | 142 | int complementary_channel = 0; |
mbed_official | 237:f3da66175598 | 143 | |
mbed_official | 237:f3da66175598 | 144 | TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); |
mbed_official | 237:f3da66175598 | 145 | |
mbed_official | 237:f3da66175598 | 146 | if (value < (float)0.0) { |
mbed_official | 237:f3da66175598 | 147 | value = 0.0; |
mbed_official | 237:f3da66175598 | 148 | } else if (value > (float)1.0) { |
mbed_official | 237:f3da66175598 | 149 | value = 1.0; |
mbed_official | 237:f3da66175598 | 150 | } |
mbed_official | 237:f3da66175598 | 151 | |
mbed_official | 237:f3da66175598 | 152 | obj->pulse = (uint32_t)((float)obj->period * value); |
mbed_official | 237:f3da66175598 | 153 | |
mbed_official | 237:f3da66175598 | 154 | // Configure channels |
mbed_official | 237:f3da66175598 | 155 | sConfig.OCMode = TIM_OCMODE_PWM1; |
mbed_official | 237:f3da66175598 | 156 | sConfig.Pulse = obj->pulse; |
mbed_official | 237:f3da66175598 | 157 | sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; |
mbed_official | 237:f3da66175598 | 158 | sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; |
mbed_official | 237:f3da66175598 | 159 | sConfig.OCFastMode = TIM_OCFAST_DISABLE; |
mbed_official | 237:f3da66175598 | 160 | sConfig.OCIdleState = TIM_OCIDLESTATE_RESET; |
mbed_official | 237:f3da66175598 | 161 | sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET; |
mbed_official | 237:f3da66175598 | 162 | |
mbed_official | 237:f3da66175598 | 163 | switch (obj->pin) { |
mbed_official | 237:f3da66175598 | 164 | |
mbed_official | 237:f3da66175598 | 165 | // Channels 1 |
mbed_official | 237:f3da66175598 | 166 | case PA_2: |
mbed_official | 237:f3da66175598 | 167 | case PA_6: |
mbed_official | 237:f3da66175598 | 168 | case PA_7: |
mbed_official | 237:f3da66175598 | 169 | case PA_8: |
mbed_official | 237:f3da66175598 | 170 | case PA_12: |
mbed_official | 237:f3da66175598 | 171 | case PB_4: |
mbed_official | 237:f3da66175598 | 172 | case PB_5: |
mbed_official | 237:f3da66175598 | 173 | case PB_8: |
mbed_official | 237:f3da66175598 | 174 | case PB_9: |
mbed_official | 237:f3da66175598 | 175 | case PB_14: |
mbed_official | 237:f3da66175598 | 176 | case PC_0: |
mbed_official | 237:f3da66175598 | 177 | case PC_6: |
mbed_official | 237:f3da66175598 | 178 | channel = TIM_CHANNEL_1; |
mbed_official | 237:f3da66175598 | 179 | break; |
mbed_official | 237:f3da66175598 | 180 | |
mbed_official | 237:f3da66175598 | 181 | // Channels 1N |
mbed_official | 237:f3da66175598 | 182 | case PA_1: |
mbed_official | 237:f3da66175598 | 183 | case PA_13: |
mbed_official | 237:f3da66175598 | 184 | case PB_6: |
mbed_official | 237:f3da66175598 | 185 | case PB_13: |
mbed_official | 237:f3da66175598 | 186 | case PC_13: |
mbed_official | 237:f3da66175598 | 187 | channel = TIM_CHANNEL_1; |
mbed_official | 237:f3da66175598 | 188 | complementary_channel = 1; |
mbed_official | 237:f3da66175598 | 189 | break; |
mbed_official | 237:f3da66175598 | 190 | |
mbed_official | 237:f3da66175598 | 191 | // Channels 2 |
mbed_official | 237:f3da66175598 | 192 | case PA_3: |
mbed_official | 237:f3da66175598 | 193 | case PA_4: |
mbed_official | 237:f3da66175598 | 194 | case PA_9: |
mbed_official | 237:f3da66175598 | 195 | case PB_15: |
mbed_official | 237:f3da66175598 | 196 | case PC_1: |
mbed_official | 237:f3da66175598 | 197 | case PC_7: |
mbed_official | 237:f3da66175598 | 198 | channel = TIM_CHANNEL_2; |
mbed_official | 237:f3da66175598 | 199 | break; |
mbed_official | 237:f3da66175598 | 200 | |
mbed_official | 237:f3da66175598 | 201 | // Channels 3 |
mbed_official | 237:f3da66175598 | 202 | case PA_10: |
mbed_official | 237:f3da66175598 | 203 | case PB_0: |
mbed_official | 237:f3da66175598 | 204 | case PC_2: |
mbed_official | 237:f3da66175598 | 205 | case PC_8: |
mbed_official | 237:f3da66175598 | 206 | channel = TIM_CHANNEL_3; |
mbed_official | 237:f3da66175598 | 207 | break; |
mbed_official | 237:f3da66175598 | 208 | |
mbed_official | 237:f3da66175598 | 209 | // Channels 3N |
mbed_official | 237:f3da66175598 | 210 | case PF_0: |
mbed_official | 237:f3da66175598 | 211 | channel = TIM_CHANNEL_3; |
mbed_official | 237:f3da66175598 | 212 | complementary_channel = 1; |
mbed_official | 237:f3da66175598 | 213 | break; |
mbed_official | 237:f3da66175598 | 214 | |
mbed_official | 237:f3da66175598 | 215 | // Channels 4 |
mbed_official | 237:f3da66175598 | 216 | case PA_11: |
mbed_official | 237:f3da66175598 | 217 | case PB_1: |
mbed_official | 237:f3da66175598 | 218 | case PB_7: |
mbed_official | 237:f3da66175598 | 219 | case PC_3: |
mbed_official | 237:f3da66175598 | 220 | case PC_9: |
mbed_official | 237:f3da66175598 | 221 | channel = TIM_CHANNEL_4; |
mbed_official | 237:f3da66175598 | 222 | break; |
mbed_official | 237:f3da66175598 | 223 | |
mbed_official | 237:f3da66175598 | 224 | default: |
mbed_official | 237:f3da66175598 | 225 | return; |
mbed_official | 237:f3da66175598 | 226 | } |
mbed_official | 237:f3da66175598 | 227 | |
mbed_official | 237:f3da66175598 | 228 | HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, channel); |
mbed_official | 237:f3da66175598 | 229 | |
mbed_official | 237:f3da66175598 | 230 | if (complementary_channel) { |
mbed_official | 237:f3da66175598 | 231 | HAL_TIMEx_PWMN_Start(&TimHandle, channel); |
mbed_official | 237:f3da66175598 | 232 | } else { |
mbed_official | 237:f3da66175598 | 233 | HAL_TIM_PWM_Start(&TimHandle, channel); |
mbed_official | 237:f3da66175598 | 234 | } |
mbed_official | 237:f3da66175598 | 235 | } |
mbed_official | 237:f3da66175598 | 236 | |
mbed_official | 237:f3da66175598 | 237 | float pwmout_read(pwmout_t* obj) |
mbed_official | 237:f3da66175598 | 238 | { |
mbed_official | 237:f3da66175598 | 239 | float value = 0; |
mbed_official | 237:f3da66175598 | 240 | if (obj->period > 0) { |
mbed_official | 237:f3da66175598 | 241 | value = (float)(obj->pulse) / (float)(obj->period); |
mbed_official | 237:f3da66175598 | 242 | } |
mbed_official | 237:f3da66175598 | 243 | return ((value > (float)1.0) ? (float)(1.0) : (value)); |
mbed_official | 237:f3da66175598 | 244 | } |
mbed_official | 237:f3da66175598 | 245 | |
mbed_official | 237:f3da66175598 | 246 | void pwmout_period(pwmout_t* obj, float seconds) |
mbed_official | 237:f3da66175598 | 247 | { |
mbed_official | 237:f3da66175598 | 248 | pwmout_period_us(obj, seconds * 1000000.0f); |
mbed_official | 237:f3da66175598 | 249 | } |
mbed_official | 237:f3da66175598 | 250 | |
mbed_official | 237:f3da66175598 | 251 | void pwmout_period_ms(pwmout_t* obj, int ms) |
mbed_official | 237:f3da66175598 | 252 | { |
mbed_official | 237:f3da66175598 | 253 | pwmout_period_us(obj, ms * 1000); |
mbed_official | 237:f3da66175598 | 254 | } |
mbed_official | 237:f3da66175598 | 255 | |
mbed_official | 237:f3da66175598 | 256 | void pwmout_period_us(pwmout_t* obj, int us) |
mbed_official | 237:f3da66175598 | 257 | { |
mbed_official | 237:f3da66175598 | 258 | TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); |
mbed_official | 237:f3da66175598 | 259 | |
mbed_official | 237:f3da66175598 | 260 | float dc = pwmout_read(obj); |
mbed_official | 237:f3da66175598 | 261 | |
mbed_official | 237:f3da66175598 | 262 | __HAL_TIM_DISABLE(&TimHandle); |
mbed_official | 237:f3da66175598 | 263 | |
mbed_official | 237:f3da66175598 | 264 | // Update the SystemCoreClock variable |
mbed_official | 237:f3da66175598 | 265 | SystemCoreClockUpdate(); |
mbed_official | 237:f3da66175598 | 266 | |
mbed_official | 237:f3da66175598 | 267 | TimHandle.Init.Period = us - 1; |
mbed_official | 237:f3da66175598 | 268 | TimHandle.Init.Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick |
mbed_official | 237:f3da66175598 | 269 | TimHandle.Init.ClockDivision = 0; |
mbed_official | 237:f3da66175598 | 270 | TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; |
mbed_official | 237:f3da66175598 | 271 | HAL_TIM_PWM_Init(&TimHandle); |
mbed_official | 237:f3da66175598 | 272 | |
mbed_official | 237:f3da66175598 | 273 | // Set duty cycle again |
mbed_official | 237:f3da66175598 | 274 | pwmout_write(obj, dc); |
mbed_official | 237:f3da66175598 | 275 | |
mbed_official | 237:f3da66175598 | 276 | // Save for future use |
mbed_official | 237:f3da66175598 | 277 | obj->period = us; |
mbed_official | 237:f3da66175598 | 278 | |
mbed_official | 237:f3da66175598 | 279 | __HAL_TIM_ENABLE(&TimHandle); |
mbed_official | 237:f3da66175598 | 280 | } |
mbed_official | 237:f3da66175598 | 281 | |
mbed_official | 237:f3da66175598 | 282 | void pwmout_pulsewidth(pwmout_t* obj, float seconds) |
mbed_official | 237:f3da66175598 | 283 | { |
mbed_official | 237:f3da66175598 | 284 | pwmout_pulsewidth_us(obj, seconds * 1000000.0f); |
mbed_official | 237:f3da66175598 | 285 | } |
mbed_official | 237:f3da66175598 | 286 | |
mbed_official | 237:f3da66175598 | 287 | void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) |
mbed_official | 237:f3da66175598 | 288 | { |
mbed_official | 237:f3da66175598 | 289 | pwmout_pulsewidth_us(obj, ms * 1000); |
mbed_official | 237:f3da66175598 | 290 | } |
mbed_official | 237:f3da66175598 | 291 | |
mbed_official | 237:f3da66175598 | 292 | void pwmout_pulsewidth_us(pwmout_t* obj, int us) |
mbed_official | 237:f3da66175598 | 293 | { |
mbed_official | 237:f3da66175598 | 294 | float value = (float)us / (float)obj->period; |
mbed_official | 237:f3da66175598 | 295 | pwmout_write(obj, value); |
mbed_official | 237:f3da66175598 | 296 | } |
mbed_official | 237:f3da66175598 | 297 | |
mbed_official | 237:f3da66175598 | 298 | #endif |