Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Revision 0:534dccd9b32a, committed 2020-05-17
- Comitter:
- spiderkiller
- Date:
- Sun May 17 07:03:08 2020 +0000
- Commit message:
- good;
Changed in this revision
diff -r 000000000000 -r 534dccd9b32a Encoder/Encoder.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Encoder/Encoder.h Sun May 17 07:03:08 2020 +0000 @@ -0,0 +1,6 @@ +#ifndef ENCODER_H +#define ENCODER_H + +void EncoderInit(TIM_Encoder_InitTypeDef * encoder, TIM_HandleTypeDef * timer, TIM_TypeDef * TIMx, uint32_t maxcount, uint32_t encmode); + +#endif \ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderInit.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderInit.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,35 @@
+#include "mbed.h"
+
+void EncoderInit(TIM_Encoder_InitTypeDef * encoder, TIM_HandleTypeDef * timer, TIM_TypeDef * TIMx, uint32_t maxcount, uint32_t encmode)
+{
+
+ timer->Instance = TIMx;
+ timer->Init.Period = maxcount;
+ timer->Init.CounterMode = TIM_COUNTERMODE_UP;
+ timer->Init.Prescaler = 0;
+ timer->Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+
+ encoder->EncoderMode = encmode;
+
+ encoder->IC1Filter = 0x0F;
+ encoder->IC1Polarity = TIM_INPUTCHANNELPOLARITY_RISING;
+ encoder->IC1Prescaler = TIM_ICPSC_DIV4;
+ encoder->IC1Selection = TIM_ICSELECTION_DIRECTTI;
+
+ encoder->IC2Filter = 0x0F;
+ encoder->IC2Polarity = TIM_INPUTCHANNELPOLARITY_FALLING;
+ encoder->IC2Prescaler = TIM_ICPSC_DIV4;
+ encoder->IC2Selection = TIM_ICSELECTION_DIRECTTI;
+
+
+ if (HAL_TIM_Encoder_Init(timer, encoder) != HAL_OK) {
+ printf("Couldn't Init Encoder\r\n");
+ while (1) {}
+ }
+
+ if(HAL_TIM_Encoder_Start(timer,TIM_CHANNEL_1)!=HAL_OK) {
+ printf("Couldn't Start Encoder\r\n");
+ while (1) {}
+ }
+}
+
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitF0.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitF0.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32f0xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00088500.pdf
+ * Table 11 has GPIO alternate function pinout mappings.
+ *
+ * TIM1_CH1: AF2 @ PA_8 - TIM1 used as system ticker under mbed, so unavailable
+ * TIM1_CH2: AF2 @ PA_9
+ *
+ * TIM3_CH1: AF1 @ PA_6, PB_4; AF0 @ PC_6* *only for F030xC devices
+ * TIM3_CH2: AF1 @ PA_7, PB_5; AF0 @ PC_7*
+ *
+ */
+
+#ifdef TARGET_STM32F0
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM3) { //PB_4 PB_5 = Nucleo D5 D4
+ __TIM3_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM3;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitF1.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitF1.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32f1xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00161566.pdf
+ * Table 5 has GPIO alternate function pinout mappings.
+ *
+ * TIM1_CH1: default PA_8, remap PE_9
+ * TIM1_CH2: default PA_9, remap PE_11
+ *
+ * TIM2_CH1: default PA_0
+ * TIM2_CH2: default PA_1, remap PB_3
+ *
+ * TIM3_CH1: default PA_6, remap PB_4, PC_6
+ * TIM3_CH2: default PA_7, remap PB_5, PC_7
+ *
+ * TIM4_CH1: default PB_6, remap PD_12
+ * TIM4_CH2: default PB_7, remap PD_13
+ *
+ * NB one of these timers will be the employed by mbed as systick, unavailable as encoder.
+ */
+
+#ifdef TARGET_STM32F1
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM1) { //PA8 PA9 = Nucleo D7 D8
+ __TIM1_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+// GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+// GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM3) { //PA6 PA7 = Nucleo D12 D11
+ __TIM3_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+// GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM4) { // PB6 PB7 = Nucleo D10 MORPHO PB7
+ __TIM4_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+// GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitF3.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitF3.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,82 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32f3xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00093333.pdf
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00097745.pdf
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00133117.pdf
+ * Table 14 has GPIO alternate function pinout mappings.
+ *
+ * TIM1_CH1: AF2 @ PC_0, PE_9; AF6 @ PA_8
+ * TIM1_CH2: AF2 @ PC_1, PE_11; AF6 @ PA_9
+ *
+ * (TIM2_CH1: AF1 @ PA_0, PA_5, PA_15; AF2 @ PD_3) TIM2 is the mbed system ticker, so unavailable as encoder.
+ * (TIM2_CH2: AF1 @ PA_1, PB_3; AF2 @ PD_4)
+ *
+ * TIM3_CH1: AF2 @ PA_6, PB_4, PC_6, PE_2 not for F302R8, OK @ F334R8
+ * TIM3_CH2: AF2 @ PA_4, PA_7, PB_5, PC_7, PE_3
+ *
+ * TIM4_CH1: AF2 @ PB_6, PD_12; AF10 @ PA_11 not for both F302R8 & F334R8
+ * TIM4_CH2: AF2 @ PB_7, PD_13; AF10 @ PA_12
+ *
+ */
+
+#ifdef TARGET_STM32F3
+
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM1) { //PA8 PA9 = Nucleo D7 D8
+ __TIM1_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF6_TIM1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+#if 0 //TIM2 is the mbed system ticker
+ else if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+#endif
+#if defined TARGET_STM32F334R8
+ else if (htim->Instance == TIM3) { //PB4 PB5 = Nucleo D5 D4
+ __TIM3_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+#endif
+#if 0
+ else if (htim->Instance == TIM4) { // PB6 PB7 = Nucleo D10 MORPHO_PB7
+ __TIM4_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+#endif
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitF4.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitF4.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,76 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32f4xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ * www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00102166.pdf
+ * www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00141306.pdf
+ *
+ * TIM1_CH1: AF1 @ PA_8, PE_9
+ * TIM1_CH2: AF1 @ PA_9, PE_11
+ *
+ * TIM2_CH1: AF1 @ PA_0, PA_5, PA_15, PB_8* *F446 only
+ * TIM2_CH2: AF1 @ PA_1, PB_3, PB_9* *F446 only
+ *
+ * TIM3_CH1: AF2 @ PA_6, PB_4, PC_6
+ * TIM3_CH2: AF2 @ PA_7, PB_5, PC_7
+ *
+ * TIM4_CH1: AF2 @ PB_6, PD_12
+ * TIM4_CH2: AF2 @ PB_7, PD_13
+ *
+ * TIM5_CH1: AF2 @ PA_0* *TIM5 used by mbed system ticker so unavailable
+ * TIM5_CH2: AF2 @ PA_1*
+ *
+ */
+
+#ifdef TARGET_STM32F4
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM1) { //PA8 PA9 = Nucleo D7 D8
+ __TIM1_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM3) { //PB4 PB5 = Nucleo D5 D4
+ __TIM3_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM4) { // PB6 PB7 = Nucleo D10 MORPHO_PB7
+ __TIM4_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitL0.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitL0.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32f4xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ */
+
+#ifdef TARGET_STM32L0
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitL1.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitL1.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,63 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32l4xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00098321.pdf
+ * Table 9 has GPIO alternate function pinout mappings.
+ *
+ * TIM2_CH1: AF1 @ PA_0, PA_5, PA_15, PE_9
+ * TIM2_CH2: AF1 @ PA_1, PB_3, PE_10
+ *
+ * TIM3_CH1: AF2 @ PA_6, PB_4, PC_6, PE_3
+ * TIM3_CH2: AF2 @ PA_7, PB_5, PC_7, PE_4
+ *
+ * TIM4_CH1: AF2 @ PB_6, PD_12
+ * TIM4_CH2: AF2 @ PB_7, PD_13
+ *
+ * TIM5_CH1: AF2 @ PA_0* *TIM5 used by mbed system ticker so unavailable
+ * TIM5_CH2: AF2 @ PA_1*
+ *
+ */
+
+#ifdef TARGET_STM32L1
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM3) { //PB4 PB5 = Nucleo D5 D4
+ __TIM3_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM4) { // PB6 PB7 = Nucleo D10 MORPHO_PB7
+ __TIM4_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a Encoder/EncoderMspInitL4.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Encoder/EncoderMspInitL4.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,86 @@
+#include "mbed.h"
+/*
+ * HAL_TIM_Encoder_MspInit()
+ * Overrides the __weak function stub in stm32f4xx_hal_tim.h
+ *
+ * Edit the below for your preferred pin wiring & pullup/down
+ * I have encoder common at 3V3, using GPIO_PULLDOWN on inputs.
+ * Encoder A&B outputs connected directly to GPIOs.
+ *
+ * http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00108832.pdf
+ * Table 15 has GPIOx AFx pinouts
+ *
+ * TIM1_CH1: AF1 @ PA8, PE9
+ * TIM1_CH2: AF1 @ PA9, PE11
+ *
+ * TIM2_CH1: AF1 @ PA0, PA5, PA15
+ * TIM2_CH2: AF1 @ PA1, PB3
+ *
+ * TIM3_CH1: AF2 @ PA6, PB4, PC6, PE3
+ * TIM3_CH2: AF2 @ PA7, PB5, PC7, PE4
+ *
+ * TIM4_CH1: AF2 @ PB6, PD12
+ * TIM4_CH2: AF2 @ PB7, PD13
+ *
+ * TIM5_CH1: AF2 @ PA0, PF6
+ * TIM5_CH2: AF2 @ PA1, PF7
+ *
+ */
+
+#ifdef TARGET_STM32L4
+void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef *htim)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (htim->Instance == TIM1) { //PA8 PA9 = Nucleo D7 D8
+ __TIM1_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM2) { //PA0 PA1 = Nucleo A0 A1
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM3) { //PB4 PB5 = Nucleo D5 D4
+ __TIM3_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM4) { // PB6 PB7 = Nucleo D10 MORPHO_PB7
+ __TIM4_CLK_ENABLE();
+ __GPIOB_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+ }
+ else if (htim->Instance == TIM5) { // here for completeness, mbed sytem timer uses this
+ __TIM5_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM5;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+ }
+}
+#endif
\ No newline at end of file
diff -r 000000000000 -r 534dccd9b32a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun May 17 07:03:08 2020 +0000
@@ -0,0 +1,77 @@
+#include "mbed.h"
+#include "Encoder.h"
+
+//STM mbed bug: these macros are MISSING from stm32f3xx_hal_tim.h
+#ifdef TARGET_STM32F3
+#define __HAL_TIM_GET_COUNTER(__HANDLE__) ((__HANDLE__)->Instance->CNT)
+#define __HAL_TIM_IS_TIM_COUNTING_DOWN(__HANDLE__) (((__HANDLE__)->Instance->CR1 &(TIM_CR1_DIR)) == (TIM_CR1_DIR))
+#endif
+
+// For encoder
+TIM_Encoder_InitTypeDef encoder2, encoder3;
+TIM_HandleTypeDef timer2, timer3;
+
+//For usb port serial
+Serial pc(USBTX, USBRX);
+//Led on F4446RE
+DigitalOut my_led(LED1);
+// Blue button on F446RE
+InterruptIn my_button(USER_BUTTON);
+
+// For PWM for control DC-motor
+PwmOut motor_R(D2);
+DigitalOut motor_R_dir(D3);
+PwmOut motor_L(D7);
+DigitalOut motor_L_dir(D6);
+
+void pressed() {
+ // Event handler, pressed blue button
+ // Reverse direction of motor
+ motor_R_dir = !motor_R_dir;
+ motor_L_dir = !motor_L_dir;
+}
+
+int main()
+{
+ motor_R_dir = 0;
+ motor_L_dir = 0;
+ // Set PWM
+ motor_R.period_ms(10);
+ motor_L.period_ms(10);
+
+ // Set button
+ my_button.fall(&pressed); // falling trigger
+
+ pc.baud (115200); // USB port baud rate
+
+ //counting on both A&B inputs, 4 ticks per cycle, full 32-bit count
+ EncoderInit(&encoder2, &timer2, TIM2, 0xffffffff, TIM_ENCODERMODE_TI12);//PA0 PA1 = Nucleo A0 A1 // right motor encoder
+
+ //counting on both A&B inputs, 4 ticks per cycle, full 32-bit count
+ EncoderInit(&encoder3, &timer3, TIM3, 0xffffffff, TIM_ENCODERMODE_TI12);//PB4 PB5 = Nucleo D5 D4// left motor encoder
+
+ while (1) {
+ uint32_t en_count_R=0, en_count_L=0;
+ int8_t en_dir_R, en_dir_L;
+
+ //OK 401 411 446 NOK 030
+ //count2=TIM2->CNT;
+ //dir2=TIM2->CR1&TIM_CR1_DIR;
+ en_count_R=__HAL_TIM_GET_COUNTER(&timer2);
+ en_dir_R = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer2);
+
+ //OK 401 411 446 030
+ //count3=TIM3->CNT;
+ //dir3=TIM3->CR1&TIM_CR1_DIR;
+ en_count_L=__HAL_TIM_GET_COUNTER(&timer3);
+ en_dir_L = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer3);
+
+ printf("%d%s %d%s \r\n", en_count_R, en_dir_R==0 ? "+":"-",en_count_L, en_dir_L==0 ? "+":"-");
+
+ // Controll motor
+ motor_R.write(0.1); // duty time 10%
+ motor_L.write(0.1);
+ my_led = !my_led; // blink LED on STM
+ wait(0.01); // 10 ms
+ }
+}
diff -r 000000000000 -r 534dccd9b32a mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun May 17 07:03:08 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file