Merge pull request #60 from fpistm/STM32F1_merge_nucleo_F103RB

STM32F1 merge: Nucleo F103RB

Author: fpistm

Diff for: boards.txt

@@ -86,6 +86,20 @@ Nucleo_64.menu.board_part_num.NUCLEO_F091RC.build.product_line=STM32F091xC
 Nucleo_64.menu.board_part_num.NUCLEO_F091RC.build.variant=NUCLEO_F091RC
 Nucleo_64.menu.board_part_num.NUCLEO_F091RC.build.cmsis_lib_gcc=arm_cortexM0l_math
 
+# NUCLEO_F103RB board
+# Support: Serial1 (USART1 on PA10, PA9) and Serial2 (USART3 on PC11, PC10)
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB=Nucleo F103RB
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.node="NODE_F103RB,NUCLEO"
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.upload.maximum_size=131072
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.upload.maximum_data_size=20480
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.mcu=cortex-m3
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.f_cpu=72000000L
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.board=NUCLEO_F103RB
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.series=STM32F1xx
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.product_line=STM32F103xB
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.variant=NUCLEO_F103RB
+Nucleo_64.menu.board_part_num.NUCLEO_F103RB.build.cmsis_lib_gcc=arm_cortexM3l_math
+
 # NUCLEO_F303RE board
 # Support: Serial1 (USART1 on PA10, PA9) and Serial2 (USART2 on PA1, PA0)
 Nucleo_64.menu.board_part_num.NUCLEO_F303RE=Nucleo F303RE

Diff for: cores/arduino/WInterrupts.c

@@ -22,6 +22,8 @@
  extern "C" {
 #endif
 
+#include "PinAF_STM32F1.h"
+
 void attachInterrupt(uint32_t pin, void (*callback)(void), uint32_t mode)
 {
   uint32_t it_mode;
@@ -46,6 +48,11 @@ void attachInterrupt(uint32_t pin, void (*callback)(void), uint32_t mode)
       it_mode = GPIO_MODE_IT_RISING;
     break;
   }
+
+#ifdef STM32F1xx
+  pinF1_DisconnectDebug(p);
+#endif /* STM32F1xx */
+
   stm32_interrupt_enable(port, STM_GPIO_PIN(p), callback, it_mode);
 }
 

Diff for: cores/arduino/stm32/PinAF_STM32F1.h

@@ -0,0 +1,125 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2017, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#ifndef _PINAF_STM32F1_H
+#define _PINAF_STM32F1_H
+
+#ifdef STM32F1xx
+
+#include "Arduino.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static inline void pinF1_DisconnectDebug(PinName pin)
+{
+  /** Enable this flag gives the possibility to use debug pins without any risk
+    * to lose traces
+    */
+#ifndef STM32F1_LOCK_DEBUG
+    // Enable AFIO clock
+    __HAL_RCC_AFIO_CLK_ENABLE();
+
+    // Disconnect JTAG-DP + SW-DP signals.
+    // Warning: Need to reconnect under reset
+    if ((pin == PA13) || (pin == PA14)) {
+        __HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled
+    }
+    if ((pin == PA15) || (pin == PB3) || (pin == PB4)) {
+        __HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled
+    }
+#endif /* STM32F1_FORCE_DEBUG */
+}
+
+static inline void pin_SetF1AFPin(uint32_t afnum)
+{
+   // Enable AFIO clock
+   __HAL_RCC_AFIO_CLK_ENABLE();
+
+   if (afnum > 0) {
+       switch (afnum) {
+       case 1: // Remap SPI1
+           __HAL_AFIO_REMAP_SPI1_ENABLE();
+           break;
+       case 2: // Remap I2C1
+           __HAL_AFIO_REMAP_I2C1_ENABLE();
+           break;
+       case 3: // Remap USART1
+           __HAL_AFIO_REMAP_USART1_ENABLE();
+           break;
+       case 4: // Remap USART2
+           __HAL_AFIO_REMAP_USART2_ENABLE();
+           break;
+       case 5: // Partial Remap USART3
+           __HAL_AFIO_REMAP_USART3_PARTIAL();
+           break;
+       case 6: // Partial Remap TIM1
+           __HAL_AFIO_REMAP_TIM1_PARTIAL();
+           break;
+       case 7: // Partial Remap TIM3
+           __HAL_AFIO_REMAP_TIM3_PARTIAL();
+           break;
+       case 8: // Full Remap TIM2
+           __HAL_AFIO_REMAP_TIM2_ENABLE();
+           break;
+       case 9: // Full Remap TIM3
+           __HAL_AFIO_REMAP_TIM3_ENABLE();
+           break;
+#if defined(AFIO_MAPR_CAN_REMAP_REMAP1)
+       case 10: // CAN_RX mapped to PB8, CAN_TX mapped to PB9
+           __HAL_AFIO_REMAP_CAN1_2();
+           break;
+       case 11: // CAN_RX mapped to PB8, CAN_TX mapped to PB9
+           __HAL_AFIO_REMAP_CAN1_3();
+           break;
+#endif
+       case 12: // Full Remap USART3
+           __HAL_AFIO_REMAP_USART3_ENABLE();
+           break;
+       case 13: // Full Remap TIM1
+           __HAL_AFIO_REMAP_TIM1_ENABLE();
+           break;
+       case 14: // Full Remap TIM4
+           __HAL_AFIO_REMAP_TIM4_ENABLE();
+           break;
+       default:
+           break;
+       }
+   }
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32F1xx */
+
+#endif /* _PINAF_STM32F1_H */

Diff for: cores/arduino/stm32/analog.c

@@ -50,6 +50,7 @@
 #include "hw_config.h"
 #include "analog.h"
 #include "timer.h"
+#include "PinAF_STM32F1.h"
 
 #ifdef __cplusplus
  extern "C" {
@@ -83,6 +84,7 @@
 #error "ADC SAMPLINGTIME could not be defined"
 #endif
 
+#ifndef STM32F1xx
 #ifdef ADC_CLOCK_SYNC_PCLK_DIV2
 #define ADC_CLOCK_DIV       ADC_CLOCK_SYNC_PCLK_DIV2
 #elif defined(ADC_CLOCK_ASYNC_DIV1)
@@ -92,6 +94,7 @@
 #else
 #error "ADC_CLOCK_DIV could not be defined"
 #endif
+#endif /* STM32F1xx */
 
 #ifndef ADC_REGULAR_RANK_1
 #define ADC_REGULAR_RANK_1  1
@@ -432,7 +435,8 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
 #ifdef __HAL_RCC_ADC_CLK_ENABLE
   __HAL_RCC_ADC_CLK_ENABLE();
 #endif
-#ifdef __HAL_RCC_ADC_CONFIG
+/* For STM32F1xx, ADC prescaler is confgured in SystemClock_Config (variant.cpp) */
+#if defined(__HAL_RCC_ADC_CONFIG) && !defined(STM32F1xx)
   /* ADC Periph interface clock configuration */
   __HAL_RCC_ADC_CONFIG(RCC_ADCCLKSOURCE_SYSCLK);
 #endif
@@ -557,16 +561,18 @@ uint16_t adc_read_value(PinName pin)
 
   if (AdcHandle.Instance == NP) return 0;
 
+#ifndef STM32F1xx
   AdcHandle.Init.ClockPrescaler        = ADC_CLOCK_DIV;          /* Asynchronous clock mode, input ADC clock divided */
   AdcHandle.Init.Resolution            = ADC_RESOLUTION_12B;            /* 12-bit resolution for converted data */
+  AdcHandle.Init.EOCSelection          = ADC_EOC_SINGLE_CONV;           /* EOC flag picked-up to indicate conversion end */
+  AdcHandle.Init.ExternalTrigConvEdge  = ADC_EXTERNALTRIGCONVEDGE_NONE; /* Parameter discarded because software trigger chosen */
+  AdcHandle.Init.DMAContinuousRequests = DISABLE;                       /* DMA one-shot mode selected (not applied to this example) */
+#endif
   AdcHandle.Init.DataAlign             = ADC_DATAALIGN_RIGHT;           /* Right-alignment for converted data */
   AdcHandle.Init.ScanConvMode          = DISABLE;                       /* Sequencer disabled (ADC conversion on only 1 channel: channel set on rank 1) */
-  AdcHandle.Init.EOCSelection          = ADC_EOC_SINGLE_CONV;           /* EOC flag picked-up to indicate conversion end */
   AdcHandle.Init.ContinuousConvMode    = DISABLE;                       /* Continuous mode disabled to have only 1 conversion at each conversion trig */
   AdcHandle.Init.DiscontinuousConvMode = DISABLE;                       /* Parameter discarded because sequencer is disabled */
   AdcHandle.Init.ExternalTrigConv      = ADC_SOFTWARE_START;            /* Software start to trig the 1st conversion manually, without external event */
-  AdcHandle.Init.ExternalTrigConvEdge  = ADC_EXTERNALTRIGCONVEDGE_NONE; /* Parameter discarded because software trigger chosen */
-  AdcHandle.Init.DMAContinuousRequests = DISABLE;                       /* DMA one-shot mode selected (not applied to this example) */
   AdcHandle.State = HAL_ADC_STATE_RESET;
 #if defined (STM32F0xx) || defined (STM32L0xx)
   AdcHandle.Init.LowPowerAutoWait      = DISABLE;                       /* Auto-delayed conversion feature disabled */
@@ -609,9 +615,9 @@ uint16_t adc_read_value(PinName pin)
     return 0;
   }
 
-#if defined (STM32F0xx) || defined (STM32F3xx) || defined (STM32L4xx)
+#if defined (STM32F0xx) || defined (STM32F1xx) || defined (STM32F3xx) || defined (STM32L4xx)
   /*##-2.1- Calibrate ADC then Start the conversion process ####################*/
-#if defined (STM32F0xx)
+#if defined (STM32F0xx) || defined (STM32F1xx)
   if (HAL_ADCEx_Calibration_Start(&AdcHandle) !=  HAL_OK)
 #else
   if (HAL_ADCEx_Calibration_Start(&AdcHandle, ADC_SINGLE_ENDED) !=  HAL_OK)
@@ -687,7 +693,11 @@ void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *htim)
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+#ifdef STM32F1xx
+  pin_SetF1AFPin(STM_PIN_AFNUM(function));
+#else
   GPIO_InitStruct.Alternate = STM_PIN_AFNUM(function);
+#endif /* STM32F1xx */
   GPIO_InitStruct.Pin = STM_GPIO_PIN(g_current_pin);
 
   HAL_GPIO_Init(port, &GPIO_InitStruct);

Diff for: cores/arduino/stm32/digital_io.c

@@ -38,6 +38,7 @@
 #include "digital_io.h"
 #include "stm32_def.h"
 #include "hw_config.h"
+#include "PinAF_STM32F1.h"
 
 #ifdef __cplusplus
  extern "C" {
@@ -59,6 +60,9 @@ void digital_io_init(PinName pin, uint32_t mode, uint32_t pull)
   GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
   GPIO_InitStructure.Mode = mode;
   GPIO_InitStructure.Pull = pull;
+#ifdef STM32F1xx
+  pinF1_DisconnectDebug(pin);
+#endif /* STM32F1xx */
   HAL_GPIO_Init(port, &GPIO_InitStructure);
 }
 

Diff for: cores/arduino/stm32/interrupt.c

@@ -170,23 +170,55 @@ uint8_t get_pin_id(uint16_t pin)
 void stm32_interrupt_enable(GPIO_TypeDef *port, uint16_t pin, void (*callback)(void), uint32_t mode)
 {
   GPIO_InitTypeDef GPIO_InitStruct;
-  uint32_t pull;
   uint8_t id = get_pin_id(pin);
+
+#ifdef STM32F1xx
+  uint8_t position;
+  uint32_t CRxRegOffset = 0;
+  uint32_t ODRRegOffset = 0;
+  volatile uint32_t *CRxRegister;
+  const uint32_t ConfigMask = 0x00000008; //MODE0 == 0x0 && CNF0 == 0x2
+#else
+  uint32_t pull;
+#endif /* STM32F1xx */
+
   // GPIO pin configuration
   GPIO_InitStruct.Pin       = pin;
   GPIO_InitStruct.Mode      = mode;
 
   //read the pull mode directly in the register as no function exists to get it.
   //Do it in case the user already defines the IO through the digital io
   //interface
+#ifndef STM32F1xx
   pull = port->PUPDR;
 #ifdef GPIO_PUPDR_PUPD0
   pull &=(GPIO_PUPDR_PUPD0<<(id*2));
   GPIO_InitStruct.Pull = (GPIO_PUPDR_PUPD0 & (pull>>(id*2)));
 #else
   pull &=(GPIO_PUPDR_PUPDR0<<(id*2));
   GPIO_InitStruct.Pull = (GPIO_PUPDR_PUPDR0 & (pull>>(id*2)));
-#endif
+#endif /* GPIO_PUPDR_PUPD0 */
+#else
+  CRxRegister = (pin < GPIO_PIN_8) ? &port->CRL : &port->CRH;
+
+  for (position = 0; position < 16; position++) {
+    if(pin == (0x0001 << position)) {
+      CRxRegOffset = (pin < GPIO_PIN_8) ? (position << 2) : ((position - 8) << 2);
+      ODRRegOffset = position;
+    }
+  }
+
+  if((*CRxRegister & ((GPIO_CRL_MODE0 | GPIO_CRL_CNF0) << CRxRegOffset)) == (ConfigMask << CRxRegOffset)) {
+    if((port->ODR & (GPIO_ODR_ODR0 << ODRRegOffset)) == (GPIO_ODR_ODR0 << ODRRegOffset)) {
+      GPIO_InitStruct.Pull = GPIO_PULLUP;
+    } else {
+      GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+    }
+  } else {
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+  }
+#endif /* STM32F1xx */
+
   GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
 
   HAL_GPIO_Init(port, &GPIO_InitStruct);

Diff for: cores/arduino/stm32/spi_com.c

@@ -49,6 +49,7 @@
 #include "stm32_def.h"
 #include "hw_config.h"
 #include "spi_com.h"
+#include "PinAF_STM32F1.h"
 
 #ifdef __cplusplus
  extern "C" {
@@ -275,7 +276,11 @@ void spi_init(spi_t *obj, uint32_t speed, spi_mode_e mode, uint8_t msb)
     GPIO_InitStruct.Mode      = STM_PIN_MODE(pinmap_function(obj->pin_mosi,PinMap_SPI_MOSI));
     GPIO_InitStruct.Pull      = STM_PIN_PUPD(pinmap_function(obj->pin_mosi,PinMap_SPI_MOSI));
     GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
+#ifdef STM32F1xx
+    pin_SetF1AFPin(STM_PIN_AFNUM(pinmap_function(obj->pin_mosi,PinMap_SPI_MOSI)));
+#else
     GPIO_InitStruct.Alternate = STM_PIN_AFNUM(pinmap_function(obj->pin_mosi,PinMap_SPI_MOSI));
+#endif /* STM32F1xx */
     HAL_GPIO_Init(port, &GPIO_InitStruct);
   }
 
@@ -285,7 +290,11 @@ void spi_init(spi_t *obj, uint32_t speed, spi_mode_e mode, uint8_t msb)
     GPIO_InitStruct.Mode      = STM_PIN_MODE(pinmap_function(obj->pin_miso,PinMap_SPI_MISO));
     GPIO_InitStruct.Pull      = STM_PIN_PUPD(pinmap_function(obj->pin_miso,PinMap_SPI_MISO));
     GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
+#ifdef STM32F1xx
+    pin_SetF1AFPin(STM_PIN_AFNUM(pinmap_function(obj->pin_miso,PinMap_SPI_MISO)));
+#else
     GPIO_InitStruct.Alternate = STM_PIN_AFNUM(pinmap_function(obj->pin_miso,PinMap_SPI_MISO));
+#endif /* STM32F1xx */
     HAL_GPIO_Init(port, &GPIO_InitStruct);
   }
 
@@ -303,7 +312,11 @@ void spi_init(spi_t *obj, uint32_t speed, spi_mode_e mode, uint8_t msb)
       GPIO_InitStruct.Pull = GPIO_PULLUP;
     }
     GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
+#ifdef STM32F1xx
+    pin_SetF1AFPin(STM_PIN_AFNUM(pinmap_function(obj->pin_sclk,PinMap_SPI_SCLK)));
+#else
     GPIO_InitStruct.Alternate = STM_PIN_AFNUM(pinmap_function(obj->pin_sclk,PinMap_SPI_SCLK));
+#endif /* STM32F1xx */
     HAL_GPIO_Init(port, &GPIO_InitStruct);
   }
 
@@ -313,7 +326,11 @@ void spi_init(spi_t *obj, uint32_t speed, spi_mode_e mode, uint8_t msb)
     GPIO_InitStruct.Mode      = STM_PIN_MODE(pinmap_function(obj->pin_ssel,PinMap_SPI_SSEL));
     GPIO_InitStruct.Pull      = STM_PIN_PUPD(pinmap_function(obj->pin_ssel,PinMap_SPI_SSEL));
     GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
+#ifdef STM32F1xx
+    pin_SetF1AFPin(STM_PIN_AFNUM(pinmap_function(obj->pin_ssel,PinMap_SPI_SSEL)));
+#else
     GPIO_InitStruct.Alternate = STM_PIN_AFNUM(pinmap_function(obj->pin_ssel,PinMap_SPI_SSEL));
+#endif /* STM32F1xx */
     HAL_GPIO_Init(port, &GPIO_InitStruct);
   }
 

Diff for: cores/arduino/stm32/stm32_def_build.h

@@ -40,6 +40,8 @@
 #define CMSIS_STARTUP_FILE "startup_stm32l476xx.s"
 #elif defined(STM32L432xx)
 #define CMSIS_STARTUP_FILE "startup_stm32l432xx.s"
+#elif defined(STM32F103xB)
+#define CMSIS_STARTUP_FILE "startup_stm32f103xb.s"
 #else
 #error UNKNOWN CHIP
 #endif