Nothing Special / mbed-STM32F103C8_org

Modification of Mbed-dev library for LQFP48 package microcontrollers: STM32F103C8 (STM32F103C8T6) and STM32F103CB (STM32F103CBT6) (Bluepill boards, Maple mini etc. )

Fork of mbed-dev by mbed official

Warning!

This library is unable to work due to huge changes in the mbed toolchain. Do not use with mbed online!

New wersion:

Import librarymbed-STM32F103C8

Modification of Mbed-dev library for LQFP48 package microcontrollers: STM32F103C8 (STM32F103C8T6) and STM32F103CB (STM32F103CBT6) (Bluepill boards, Maple mini etc. )

Last commit 27 Apr 2017 by Nothing Special




Library for STM32F103C8 (Bluepill boards etc.).
Use this instead of mbed library.
This library allows the size of the code in the FLASH up to 128kB. Therefore, code also runs on microcontrollers STM32F103CB (eg. Maple mini).
But in the case of STM32F103C8, check the size of the resulting code would not exceed 64kB.

To compile a program with this library, use NUCLEO-F103RB as the target name. !

Changes:

  • Corrected initialization of the HSE clock (mbed bug), allowing the use of on-board xtal (8MHz).(1)
  • Additionally, it also set USB clock (48Mhz).(2)
  • Definitions of pins and peripherals adjusted to LQFP48 case.
  • Board led LED1 is now PC_13 (3)
  • USER_BUTTON is now PC_14 (4)

notes
(1) - In case 8MHz xtal on board, CPU frequency is 72MHz. Without xtal is 64MHz.
(2) - Using the USB interface is only possible if STM32 is clocking by on-board 8MHz xtal or external clock signal 8MHz on the OSC_IN pin.
(3) - On Bluepill board led operation is reversed, i.e. 0 - led on, 1 - led off.
(4) - Bluepill board has no real user button

api/PwmOut.h@145:54b3c5994df6, 2016-08-29 (annotated)

Committer:
mega64
Date:
Mon Aug 29 01:00:12 2016 +0000
Revision:
145:54b3c5994df6
Parent:
0:9b334a45a8ff 
Change peripherals and pins definitions from LQFP64 to LQFP48 case.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:9b334a45a8ff 5 * you may not use this file except in compliance with the License.
bogdanm 0:9b334a45a8ff 6 * You may obtain a copy of the License at
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:9b334a45a8ff 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:9b334a45a8ff 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:9b334a45a8ff 13 * See the License for the specific language governing permissions and
bogdanm 0:9b334a45a8ff 14 * limitations under the License.
bogdanm 0:9b334a45a8ff 15 */
bogdanm 0:9b334a45a8ff 16 #ifndef MBED_PWMOUT_H
bogdanm 0:9b334a45a8ff 17 #define MBED_PWMOUT_H
bogdanm 0:9b334a45a8ff 18
bogdanm 0:9b334a45a8ff 19 #include "platform.h"
bogdanm 0:9b334a45a8ff 20
bogdanm 0:9b334a45a8ff 21 #if DEVICE_PWMOUT
bogdanm 0:9b334a45a8ff 22 #include "pwmout_api.h"
bogdanm 0:9b334a45a8ff 23
bogdanm 0:9b334a45a8ff 24 namespace mbed {
bogdanm 0:9b334a45a8ff 25
bogdanm 0:9b334a45a8ff 26 /** A pulse-width modulation digital output
bogdanm 0:9b334a45a8ff 27 *
bogdanm 0:9b334a45a8ff 28 * Example
bogdanm 0:9b334a45a8ff 29 * @code
bogdanm 0:9b334a45a8ff 30 * // Fade a led on.
bogdanm 0:9b334a45a8ff 31 * #include "mbed.h"
bogdanm 0:9b334a45a8ff 32 *
bogdanm 0:9b334a45a8ff 33 * PwmOut led(LED1);
bogdanm 0:9b334a45a8ff 34 *
bogdanm 0:9b334a45a8ff 35 * int main() {
bogdanm 0:9b334a45a8ff 36 * while(1) {
bogdanm 0:9b334a45a8ff 37 * led = led + 0.01;
bogdanm 0:9b334a45a8ff 38 * wait(0.2);
bogdanm 0:9b334a45a8ff 39 * if(led == 1.0) {
bogdanm 0:9b334a45a8ff 40 * led = 0;
bogdanm 0:9b334a45a8ff 41 * }
bogdanm 0:9b334a45a8ff 42 * }
bogdanm 0:9b334a45a8ff 43 * }
bogdanm 0:9b334a45a8ff 44 * @endcode
bogdanm 0:9b334a45a8ff 45 *
bogdanm 0:9b334a45a8ff 46 * @note
bogdanm 0:9b334a45a8ff 47 * On the LPC1768 and LPC2368, the PWMs all share the same
bogdanm 0:9b334a45a8ff 48 * period - if you change the period for one, you change it for all.
bogdanm 0:9b334a45a8ff 49 * Although routines that change the period maintain the duty cycle
bogdanm 0:9b334a45a8ff 50 * for its PWM, all other PWMs will require their duty cycle to be
bogdanm 0:9b334a45a8ff 51 * refreshed.
bogdanm 0:9b334a45a8ff 52 */
bogdanm 0:9b334a45a8ff 53 class PwmOut {
bogdanm 0:9b334a45a8ff 54
bogdanm 0:9b334a45a8ff 55 public:
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 /** Create a PwmOut connected to the specified pin
bogdanm 0:9b334a45a8ff 58 *
bogdanm 0:9b334a45a8ff 59 * @param pin PwmOut pin to connect to
bogdanm 0:9b334a45a8ff 60 */
bogdanm 0:9b334a45a8ff 61 PwmOut(PinName pin) {
bogdanm 0:9b334a45a8ff 62 pwmout_init(&_pwm, pin);
bogdanm 0:9b334a45a8ff 63 }
bogdanm 0:9b334a45a8ff 64
bogdanm 0:9b334a45a8ff 65 /** Set the ouput duty-cycle, specified as a percentage (float)
bogdanm 0:9b334a45a8ff 66 *
bogdanm 0:9b334a45a8ff 67 * @param value A floating-point value representing the output duty-cycle,
bogdanm 0:9b334a45a8ff 68 * specified as a percentage. The value should lie between
bogdanm 0:9b334a45a8ff 69 * 0.0f (representing on 0%) and 1.0f (representing on 100%).
bogdanm 0:9b334a45a8ff 70 * Values outside this range will be saturated to 0.0f or 1.0f.
bogdanm 0:9b334a45a8ff 71 */
bogdanm 0:9b334a45a8ff 72 void write(float value) {
bogdanm 0:9b334a45a8ff 73 pwmout_write(&_pwm, value);
bogdanm 0:9b334a45a8ff 74 }
bogdanm 0:9b334a45a8ff 75
bogdanm 0:9b334a45a8ff 76 /** Return the current output duty-cycle setting, measured as a percentage (float)
bogdanm 0:9b334a45a8ff 77 *
bogdanm 0:9b334a45a8ff 78 * @returns
bogdanm 0:9b334a45a8ff 79 * A floating-point value representing the current duty-cycle being output on the pin,
bogdanm 0:9b334a45a8ff 80 * measured as a percentage. The returned value will lie between
bogdanm 0:9b334a45a8ff 81 * 0.0f (representing on 0%) and 1.0f (representing on 100%).
bogdanm 0:9b334a45a8ff 82 *
bogdanm 0:9b334a45a8ff 83 * @note
bogdanm 0:9b334a45a8ff 84 * This value may not match exactly the value set by a previous <write>.
bogdanm 0:9b334a45a8ff 85 */
bogdanm 0:9b334a45a8ff 86 float read() {
bogdanm 0:9b334a45a8ff 87 return pwmout_read(&_pwm);
bogdanm 0:9b334a45a8ff 88 }
bogdanm 0:9b334a45a8ff 89
bogdanm 0:9b334a45a8ff 90 /** Set the PWM period, specified in seconds (float), keeping the duty cycle the same.
bogdanm 0:9b334a45a8ff 91 *
bogdanm 0:9b334a45a8ff 92 * @note
bogdanm 0:9b334a45a8ff 93 * The resolution is currently in microseconds; periods smaller than this
bogdanm 0:9b334a45a8ff 94 * will be set to zero.
bogdanm 0:9b334a45a8ff 95 */
bogdanm 0:9b334a45a8ff 96 void period(float seconds) {
bogdanm 0:9b334a45a8ff 97 pwmout_period(&_pwm, seconds);
bogdanm 0:9b334a45a8ff 98 }
bogdanm 0:9b334a45a8ff 99
bogdanm 0:9b334a45a8ff 100 /** Set the PWM period, specified in milli-seconds (int), keeping the duty cycle the same.
bogdanm 0:9b334a45a8ff 101 */
bogdanm 0:9b334a45a8ff 102 void period_ms(int ms) {
bogdanm 0:9b334a45a8ff 103 pwmout_period_ms(&_pwm, ms);
bogdanm 0:9b334a45a8ff 104 }
bogdanm 0:9b334a45a8ff 105
bogdanm 0:9b334a45a8ff 106 /** Set the PWM period, specified in micro-seconds (int), keeping the duty cycle the same.
bogdanm 0:9b334a45a8ff 107 */
bogdanm 0:9b334a45a8ff 108 void period_us(int us) {
bogdanm 0:9b334a45a8ff 109 pwmout_period_us(&_pwm, us);
bogdanm 0:9b334a45a8ff 110 }
bogdanm 0:9b334a45a8ff 111
bogdanm 0:9b334a45a8ff 112 /** Set the PWM pulsewidth, specified in seconds (float), keeping the period the same.
bogdanm 0:9b334a45a8ff 113 */
bogdanm 0:9b334a45a8ff 114 void pulsewidth(float seconds) {
bogdanm 0:9b334a45a8ff 115 pwmout_pulsewidth(&_pwm, seconds);
bogdanm 0:9b334a45a8ff 116 }
bogdanm 0:9b334a45a8ff 117
bogdanm 0:9b334a45a8ff 118 /** Set the PWM pulsewidth, specified in milli-seconds (int), keeping the period the same.
bogdanm 0:9b334a45a8ff 119 */
bogdanm 0:9b334a45a8ff 120 void pulsewidth_ms(int ms) {
bogdanm 0:9b334a45a8ff 121 pwmout_pulsewidth_ms(&_pwm, ms);
bogdanm 0:9b334a45a8ff 122 }
bogdanm 0:9b334a45a8ff 123
bogdanm 0:9b334a45a8ff 124 /** Set the PWM pulsewidth, specified in micro-seconds (int), keeping the period the same.
bogdanm 0:9b334a45a8ff 125 */
bogdanm 0:9b334a45a8ff 126 void pulsewidth_us(int us) {
bogdanm 0:9b334a45a8ff 127 pwmout_pulsewidth_us(&_pwm, us);
bogdanm 0:9b334a45a8ff 128 }
bogdanm 0:9b334a45a8ff 129
bogdanm 0:9b334a45a8ff 130 #ifdef MBED_OPERATORS
bogdanm 0:9b334a45a8ff 131 /** A operator shorthand for write()
bogdanm 0:9b334a45a8ff 132 */
bogdanm 0:9b334a45a8ff 133 PwmOut& operator= (float value) {
bogdanm 0:9b334a45a8ff 134 write(value);
bogdanm 0:9b334a45a8ff 135 return *this;
bogdanm 0:9b334a45a8ff 136 }
bogdanm 0:9b334a45a8ff 137
bogdanm 0:9b334a45a8ff 138 PwmOut& operator= (PwmOut& rhs) {
bogdanm 0:9b334a45a8ff 139 write(rhs.read());
bogdanm 0:9b334a45a8ff 140 return *this;
bogdanm 0:9b334a45a8ff 141 }
bogdanm 0:9b334a45a8ff 142
bogdanm 0:9b334a45a8ff 143 /** An operator shorthand for read()
bogdanm 0:9b334a45a8ff 144 */
bogdanm 0:9b334a45a8ff 145 operator float() {
bogdanm 0:9b334a45a8ff 146 return read();
bogdanm 0:9b334a45a8ff 147 }
bogdanm 0:9b334a45a8ff 148 #endif
bogdanm 0:9b334a45a8ff 149
bogdanm 0:9b334a45a8ff 150 protected:
bogdanm 0:9b334a45a8ff 151 pwmout_t _pwm;
bogdanm 0:9b334a45a8ff 152 };
bogdanm 0:9b334a45a8ff 153
bogdanm 0:9b334a45a8ff 154 } // namespace mbed
bogdanm 0:9b334a45a8ff 155
bogdanm 0:9b334a45a8ff 156 #endif
bogdanm 0:9b334a45a8ff 157
bogdanm 0:9b334a45a8ff 158 #endif