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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/pwmout_api.c@167:d5744491c362, 2014-04-23 (annotated)

Committer:
mbed_official
Date:
Wed Apr 23 11:00:08 2014 +0100
Revision:
167:d5744491c362
Parent:
84:f54042cbc282
Child:
174:8bb9f3a33240
Synchronized with git revision 6cf73e2e267b625c71cbf586a1d74e7e4972a369



Full URL: https://github.com/mbedmicro/mbed/commit/6cf73e2e267b625c71cbf586a1d74e7e4972a369/



[NUCLEO_F030R8/F302R8] Move back SetSysClock() call in SystemInit()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 52:a51c77007319 1 /* mbed Microcontroller Library
mbed_official 70:c1fbde68b492 2 *******************************************************************************
mbed_official 70:c1fbde68b492 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 70:c1fbde68b492 4 * All rights reserved.
mbed_official 52:a51c77007319 5 *
mbed_official 70:c1fbde68b492 6 * Redistribution and use in source and binary forms, with or without
mbed_official 70:c1fbde68b492 7 * modification, are permitted provided that the following conditions are met:
mbed_official 52:a51c77007319 8 *
mbed_official 70:c1fbde68b492 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 70:c1fbde68b492 10 * this list of conditions and the following disclaimer.
mbed_official 70:c1fbde68b492 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 70:c1fbde68b492 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 70:c1fbde68b492 13 * and/or other materials provided with the distribution.
mbed_official 70:c1fbde68b492 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 70:c1fbde68b492 15 * may be used to endorse or promote products derived from this software
mbed_official 70:c1fbde68b492 16 * without specific prior written permission.
mbed_official 52:a51c77007319 17 *
mbed_official 70:c1fbde68b492 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 70:c1fbde68b492 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 70:c1fbde68b492 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 70:c1fbde68b492 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 70:c1fbde68b492 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 70:c1fbde68b492 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 70:c1fbde68b492 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 70:c1fbde68b492 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 70:c1fbde68b492 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 70:c1fbde68b492 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 70:c1fbde68b492 28 *******************************************************************************
mbed_official 52:a51c77007319 29 */
mbed_official 52:a51c77007319 30 #include "pwmout_api.h"
mbed_official 52:a51c77007319 31
mbed_official 52:a51c77007319 32 #include "cmsis.h"
mbed_official 52:a51c77007319 33 #include "pinmap.h"
mbed_official 52:a51c77007319 34 #include "error.h"
mbed_official 52:a51c77007319 35
mbed_official 167:d5744491c362 36 // TIM4 cannot be used because already used by the us_ticker
mbed_official 52:a51c77007319 37 static const PinMap PinMap_PWM[] = {
mbed_official 167:d5744491c362 38 {PA_1, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM2_CH2 - Default
mbed_official 167:d5744491c362 39 {PA_2, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM2_CH3 - Default (warning: not connected on D1 per default)
mbed_official 167:d5744491c362 40 {PA_3, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM2_CH4 - Default (warning: not connected on D0 per default)
mbed_official 167:d5744491c362 41 {PA_6, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM3_CH1 - Default
mbed_official 167:d5744491c362 42 {PA_7, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM3_CH2 - Default
mbed_official 167:d5744491c362 43 //{PA_7, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 6)}, // TIM1_CH1N - GPIO_PartialRemap_TIM1
mbed_official 167:d5744491c362 44 {PA_8, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH1 - Default
mbed_official 167:d5744491c362 45 {PA_9, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH2 - Default
mbed_official 167:d5744491c362 46 {PA_10, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH3 - Default
mbed_official 167:d5744491c362 47 {PA_11, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH4 - Default
mbed_official 167:d5744491c362 48 {PA_15, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 8)}, // TIM2_CH1_ETR - GPIO_FullRemap_TIM2
mbed_official 167:d5744491c362 49
mbed_official 167:d5744491c362 50 {PB_0, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM3_CH3 - Default
mbed_official 167:d5744491c362 51 //{PB_0, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 6)}, // TIM1_CH2N - GPIO_PartialRemap_TIM1
mbed_official 167:d5744491c362 52 {PB_1, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM3_CH4 - Default
mbed_official 167:d5744491c362 53 //{PB_1, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 6)}, // TIM1_CH3N - GPIO_PartialRemap_TIM1
mbed_official 167:d5744491c362 54 {PB_3, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 8)}, // TIM2_CH2 - GPIO_FullRemap_TIM2
mbed_official 167:d5744491c362 55 {PB_4, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 7)}, // TIM3_CH1 - GPIO_PartialRemap_TIM3
mbed_official 167:d5744491c362 56 {PB_5, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 7)}, // TIM3_CH2 - GPIO_PartialRemap_TIM3
mbed_official 167:d5744491c362 57 //{PB_6, PWM_4, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM4_CH1 - Default (used by ticker)
mbed_official 167:d5744491c362 58 //{PB_7, PWM_4, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM4_CH2 - Default (used by ticker)
mbed_official 167:d5744491c362 59 //{PB_8, PWM_4, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM4_CH3 - Default (used by ticker)
mbed_official 167:d5744491c362 60 //{PB_9, PWM_4, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM4_CH4 - Default (used by ticker)
mbed_official 167:d5744491c362 61 {PB_10, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 8)}, // TIM2_CH3 - GPIO_FullRemap_TIM2
mbed_official 167:d5744491c362 62 {PB_11, PWM_2, STM_PIN_DATA(GPIO_Mode_AF_PP, 8)}, // TIM2_CH4 - GPIO_FullRemap_TIM2
mbed_official 167:d5744491c362 63 {PB_13, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH1N - Default
mbed_official 167:d5744491c362 64 {PB_14, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH2N - Default
mbed_official 167:d5744491c362 65 {PB_15, PWM_1, STM_PIN_DATA(GPIO_Mode_AF_PP, 0)}, // TIM1_CH3N - Default
mbed_official 167:d5744491c362 66
mbed_official 167:d5744491c362 67 {PC_6, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 9)}, // TIM3_CH1 - GPIO_FullRemap_TIM3
mbed_official 167:d5744491c362 68 {PC_7, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 9)}, // TIM3_CH2 - GPIO_FullRemap_TIM3
mbed_official 167:d5744491c362 69 {PC_8, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 9)}, // TIM3_CH3 - GPIO_FullRemap_TIM3
mbed_official 167:d5744491c362 70 {PC_9, PWM_3, STM_PIN_DATA(GPIO_Mode_AF_PP, 9)}, // TIM3_CH4 - GPIO_FullRemap_TIM3
mbed_official 52:a51c77007319 71 {NC, NC, 0}
mbed_official 52:a51c77007319 72 };
mbed_official 52:a51c77007319 73
mbed_official 52:a51c77007319 74 void pwmout_init(pwmout_t* obj, PinName pin) {
mbed_official 52:a51c77007319 75 // Get the peripheral name from the pin and assign it to the object
mbed_official 52:a51c77007319 76 obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
mbed_official 52:a51c77007319 77
mbed_official 52:a51c77007319 78 if (obj->pwm == (PWMName)NC) {
mbed_official 52:a51c77007319 79 error("PWM pinout mapping failed");
mbed_official 52:a51c77007319 80 }
mbed_official 52:a51c77007319 81
mbed_official 52:a51c77007319 82 // Enable TIM clock
mbed_official 167:d5744491c362 83 if (obj->pwm == PWM_1) RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
mbed_official 52:a51c77007319 84 if (obj->pwm == PWM_2) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
mbed_official 52:a51c77007319 85 if (obj->pwm == PWM_3) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
mbed_official 84:f54042cbc282 86 if (obj->pwm == PWM_4) RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
mbed_official 84:f54042cbc282 87
mbed_official 52:a51c77007319 88 // Configure GPIO
mbed_official 52:a51c77007319 89 pinmap_pinout(pin, PinMap_PWM);
mbed_official 52:a51c77007319 90
mbed_official 52:a51c77007319 91 obj->pin = pin;
mbed_official 52:a51c77007319 92 obj->period = 0;
mbed_official 52:a51c77007319 93 obj->pulse = 0;
mbed_official 52:a51c77007319 94
mbed_official 52:a51c77007319 95 pwmout_period_us(obj, 20000); // 20 ms per default
mbed_official 52:a51c77007319 96 }
mbed_official 52:a51c77007319 97
mbed_official 52:a51c77007319 98 void pwmout_free(pwmout_t* obj) {
mbed_official 52:a51c77007319 99 TIM_TypeDef *tim = (TIM_TypeDef *)(obj->pwm);
mbed_official 52:a51c77007319 100 TIM_DeInit(tim);
mbed_official 52:a51c77007319 101 }
mbed_official 52:a51c77007319 102
mbed_official 52:a51c77007319 103 void pwmout_write(pwmout_t* obj, float value) {
mbed_official 52:a51c77007319 104 TIM_TypeDef *tim = (TIM_TypeDef *)(obj->pwm);
mbed_official 52:a51c77007319 105 TIM_OCInitTypeDef TIM_OCInitStructure;
mbed_official 52:a51c77007319 106
mbed_official 52:a51c77007319 107 if (value < 0.0) {
mbed_official 52:a51c77007319 108 value = 0.0;
mbed_official 52:a51c77007319 109 } else if (value > 1.0) {
mbed_official 52:a51c77007319 110 value = 1.0;
mbed_official 52:a51c77007319 111 }
mbed_official 84:f54042cbc282 112
mbed_official 52:a51c77007319 113 obj->pulse = (uint32_t)((float)obj->period * value);
mbed_official 52:a51c77007319 114
mbed_official 167:d5744491c362 115 TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
mbed_official 167:d5744491c362 116 TIM_OCInitStructure.TIM_Pulse = obj->pulse;
mbed_official 167:d5744491c362 117 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
mbed_official 167:d5744491c362 118 TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;
mbed_official 167:d5744491c362 119 TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;
mbed_official 167:d5744491c362 120 TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;
mbed_official 52:a51c77007319 121
mbed_official 167:d5744491c362 122 // Configure channels
mbed_official 167:d5744491c362 123 switch (obj->pin) {
mbed_official 167:d5744491c362 124 // Channels 1
mbed_official 167:d5744491c362 125 case PA_6:
mbed_official 167:d5744491c362 126 case PA_8:
mbed_official 167:d5744491c362 127 case PA_15:
mbed_official 167:d5744491c362 128 case PB_4:
mbed_official 167:d5744491c362 129 //case PB_6:
mbed_official 167:d5744491c362 130 case PC_6:
mbed_official 167:d5744491c362 131 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
mbed_official 167:d5744491c362 132 TIM_OC1PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 133 TIM_OC1Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 134 break;
mbed_official 167:d5744491c362 135 // Channels 1N
mbed_official 167:d5744491c362 136 //case PA_7:
mbed_official 167:d5744491c362 137 case PB_13:
mbed_official 167:d5744491c362 138 TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
mbed_official 167:d5744491c362 139 TIM_OC1PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 140 TIM_OC1Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 141 break;
mbed_official 167:d5744491c362 142 // Channels 2
mbed_official 167:d5744491c362 143 case PA_1:
mbed_official 167:d5744491c362 144 case PA_7:
mbed_official 167:d5744491c362 145 case PA_9:
mbed_official 167:d5744491c362 146 case PB_3:
mbed_official 167:d5744491c362 147 case PB_5:
mbed_official 167:d5744491c362 148 //case PB_7:
mbed_official 167:d5744491c362 149 case PC_7:
mbed_official 167:d5744491c362 150 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
mbed_official 167:d5744491c362 151 TIM_OC2PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 152 TIM_OC2Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 153 break;
mbed_official 167:d5744491c362 154 // Channels 2N
mbed_official 167:d5744491c362 155 //case PB_0:
mbed_official 167:d5744491c362 156 case PB_14:
mbed_official 167:d5744491c362 157 TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
mbed_official 167:d5744491c362 158 TIM_OC2PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 159 TIM_OC2Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 160 break;
mbed_official 167:d5744491c362 161 // Channels 3
mbed_official 167:d5744491c362 162 case PA_2:
mbed_official 167:d5744491c362 163 case PA_10:
mbed_official 167:d5744491c362 164 case PB_0:
mbed_official 167:d5744491c362 165 //case PB_8:
mbed_official 167:d5744491c362 166 case PB_10:
mbed_official 167:d5744491c362 167 case PC_8:
mbed_official 167:d5744491c362 168 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
mbed_official 167:d5744491c362 169 TIM_OC3PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 170 TIM_OC3Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 171 break;
mbed_official 167:d5744491c362 172 // Channels 3N
mbed_official 167:d5744491c362 173 //case PB_1:
mbed_official 167:d5744491c362 174 case PB_15:
mbed_official 167:d5744491c362 175 TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
mbed_official 167:d5744491c362 176 TIM_OC3PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 177 TIM_OC3Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 178 break;
mbed_official 167:d5744491c362 179 // Channels 4
mbed_official 167:d5744491c362 180 case PA_3:
mbed_official 167:d5744491c362 181 case PA_11:
mbed_official 167:d5744491c362 182 case PB_1:
mbed_official 167:d5744491c362 183 //case PB_9:
mbed_official 167:d5744491c362 184 case PB_11:
mbed_official 167:d5744491c362 185 case PC_9:
mbed_official 167:d5744491c362 186 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
mbed_official 167:d5744491c362 187 TIM_OC4PreloadConfig(tim, TIM_OCPreload_Enable);
mbed_official 167:d5744491c362 188 TIM_OC4Init(tim, &TIM_OCInitStructure);
mbed_official 167:d5744491c362 189 break;
mbed_official 167:d5744491c362 190 default:
mbed_official 167:d5744491c362 191 return;
mbed_official 52:a51c77007319 192 }
mbed_official 167:d5744491c362 193
mbed_official 167:d5744491c362 194 TIM_CtrlPWMOutputs(tim, ENABLE);
mbed_official 52:a51c77007319 195 }
mbed_official 52:a51c77007319 196
mbed_official 52:a51c77007319 197 float pwmout_read(pwmout_t* obj) {
mbed_official 52:a51c77007319 198 float value = 0;
mbed_official 52:a51c77007319 199 if (obj->period > 0) {
mbed_official 52:a51c77007319 200 value = (float)(obj->pulse) / (float)(obj->period);
mbed_official 52:a51c77007319 201 }
mbed_official 52:a51c77007319 202 return ((value > 1.0) ? (1.0) : (value));
mbed_official 52:a51c77007319 203 }
mbed_official 52:a51c77007319 204
mbed_official 52:a51c77007319 205 void pwmout_period(pwmout_t* obj, float seconds) {
mbed_official 52:a51c77007319 206 pwmout_period_us(obj, seconds * 1000000.0f);
mbed_official 52:a51c77007319 207 }
mbed_official 52:a51c77007319 208
mbed_official 52:a51c77007319 209 void pwmout_period_ms(pwmout_t* obj, int ms) {
mbed_official 52:a51c77007319 210 pwmout_period_us(obj, ms * 1000);
mbed_official 52:a51c77007319 211 }
mbed_official 52:a51c77007319 212
mbed_official 52:a51c77007319 213 void pwmout_period_us(pwmout_t* obj, int us) {
mbed_official 52:a51c77007319 214 TIM_TypeDef *tim = (TIM_TypeDef *)(obj->pwm);
mbed_official 52:a51c77007319 215 TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
mbed_official 52:a51c77007319 216 float dc = pwmout_read(obj);
mbed_official 52:a51c77007319 217
mbed_official 52:a51c77007319 218 TIM_Cmd(tim, DISABLE);
mbed_official 52:a51c77007319 219
mbed_official 52:a51c77007319 220 obj->period = us;
mbed_official 52:a51c77007319 221
mbed_official 52:a51c77007319 222 TIM_TimeBaseStructure.TIM_Period = obj->period - 1;
mbed_official 52:a51c77007319 223 TIM_TimeBaseStructure.TIM_Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 µs tick
mbed_official 52:a51c77007319 224 TIM_TimeBaseStructure.TIM_ClockDivision = 0;
mbed_official 52:a51c77007319 225 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
mbed_official 52:a51c77007319 226 TIM_TimeBaseInit(tim, &TIM_TimeBaseStructure);
mbed_official 52:a51c77007319 227
mbed_official 52:a51c77007319 228 // Set duty cycle again
mbed_official 52:a51c77007319 229 pwmout_write(obj, dc);
mbed_official 52:a51c77007319 230
mbed_official 52:a51c77007319 231 TIM_ARRPreloadConfig(tim, ENABLE);
mbed_official 52:a51c77007319 232 TIM_Cmd(tim, ENABLE);
mbed_official 52:a51c77007319 233 }
mbed_official 52:a51c77007319 234
mbed_official 52:a51c77007319 235 void pwmout_pulsewidth(pwmout_t* obj, float seconds) {
mbed_official 52:a51c77007319 236 pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
mbed_official 52:a51c77007319 237 }
mbed_official 52:a51c77007319 238
mbed_official 52:a51c77007319 239 void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) {
mbed_official 52:a51c77007319 240 pwmout_pulsewidth_us(obj, ms * 1000);
mbed_official 52:a51c77007319 241 }
mbed_official 52:a51c77007319 242
mbed_official 52:a51c77007319 243 void pwmout_pulsewidth_us(pwmout_t* obj, int us) {
mbed_official 52:a51c77007319 244 float value = (float)us / (float)obj->period;
mbed_official 52:a51c77007319 245 pwmout_write(obj, value);
mbed_official 52:a51c77007319 246 }