Added ST firmware library files to the STM32 demo in order to make things easier to users.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1067 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 431 insertions, 0 deletions

diff --git a/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_dac.c b/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_dac.c
new file mode 100644
index 000000000..84f5d10d6
--- /dev/null
+++ b/demos/ARMCM3-STM32F103-GCC/stm32lib/src/stm32f10x_dac.c
@@ -0,0 +1,431 @@
+/**

+  ******************************************************************************

+  * @file    stm32f10x_dac.c

+  * @author  MCD Application Team

+  * @version V3.1.0

+  * @date    06/19/2009

+  * @brief   This file provides all the DAC firmware functions.

+  ******************************************************************************

+  * @copy

+  *

+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE

+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY

+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING

+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE

+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

+  *

+  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>

+  */ 

+

+/* Includes ------------------------------------------------------------------*/

+#include "stm32f10x_dac.h"

+#include "stm32f10x_rcc.h"

+

+/** @addtogroup STM32F10x_StdPeriph_Driver

+  * @{

+  */

+

+/** @defgroup DAC 

+  * @brief DAC driver modules

+  * @{

+  */ 

+

+/** @defgroup DAC_Private_TypesDefinitions

+  * @{

+  */

+

+/**

+  * @}

+  */

+

+/** @defgroup DAC_Private_Defines

+  * @{

+  */

+

+/* DAC EN mask */

+#define CR_EN_Set                  ((uint32_t)0x00000001)

+

+/* DAC DMAEN mask */

+#define CR_DMAEN_Set               ((uint32_t)0x00001000)

+

+/* CR register Mask */

+#define CR_CLEAR_Mask              ((uint32_t)0x00000FFE)

+

+/* DAC SWTRIG mask */

+#define SWTRIGR_SWTRIG_Set         ((uint32_t)0x00000001)

+

+/* DAC Dual Channels SWTRIG masks */

+#define DUAL_SWTRIG_Set            ((uint32_t)0x00000003)

+#define DUAL_SWTRIG_Reset          ((uint32_t)0xFFFFFFFC)

+

+/* DHR registers offsets */

+#define DHR12R1_Offset             ((uint32_t)0x00000008)

+#define DHR12R2_Offset             ((uint32_t)0x00000014)

+#define DHR12RD_Offset             ((uint32_t)0x00000020)

+

+/* DOR register offset */

+#define DOR_Offset                 ((uint32_t)0x0000002C)

+/**

+  * @}

+  */

+

+/** @defgroup DAC_Private_Macros

+  * @{

+  */

+

+/**

+  * @}

+  */

+

+/** @defgroup DAC_Private_Variables

+  * @{

+  */

+

+/**

+  * @}

+  */

+

+/** @defgroup DAC_Private_FunctionPrototypes

+  * @{

+  */

+

+/**

+  * @}

+  */

+

+/** @defgroup DAC_Private_Functions

+  * @{

+  */

+

+/**

+  * @brief  Deinitializes the DAC peripheral registers to their default reset values.

+  * @param  None

+  * @retval None

+  */

+void DAC_DeInit(void)

+{

+  /* Enable DAC reset state */

+  RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);

+  /* Release DAC from reset state */

+  RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);

+}

+

+/**

+  * @brief  Initializes the DAC peripheral according to the specified 

+  *   parameters in the DAC_InitStruct.

+  * @param  DAC_Channel: the selected DAC channel. 

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Channel_1: DAC Channel1 selected

+  *     @arg DAC_Channel_2: DAC Channel2 selected

+  * @param  DAC_InitStruct: pointer to a DAC_InitTypeDef structure that

+  *   contains the configuration information for the specified DAC channel.

+  * @retval None

+  */

+void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct)

+{

+  uint32_t tmpreg1 = 0, tmpreg2 = 0;

+  /* Check the DAC parameters */

+  assert_param(IS_DAC_TRIGGER(DAC_InitStruct->DAC_Trigger));

+  assert_param(IS_DAC_GENERATE_WAVE(DAC_InitStruct->DAC_WaveGeneration));

+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude));

+  assert_param(IS_DAC_OUTPUT_BUFFER_STATE(DAC_InitStruct->DAC_OutputBuffer));

+/*---------------------------- DAC CR Configuration --------------------------*/

+  /* Get the DAC CR value */

+  tmpreg1 = DAC->CR;

+  /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */

+  tmpreg1 &= ~(CR_CLEAR_Mask << DAC_Channel);

+  /* Configure for the selected DAC channel: buffer output, trigger, wave genration,

+     mask/amplitude for wave genration */

+  /* Set TSELx and TENx bits according to DAC_Trigger value */

+  /* Set WAVEx bits according to DAC_WaveGeneration value */

+  /* Set MAMPx bits according to DAC_LFSRUnmask_TriangleAmplitude value */ 

+  /* Set BOFFx bit according to DAC_OutputBuffer value */   

+  tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |

+             DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | DAC_InitStruct->DAC_OutputBuffer);

+  /* Calculate CR register value depending on DAC_Channel */

+  tmpreg1 |= tmpreg2 << DAC_Channel;

+  /* Write to DAC CR */

+  DAC->CR = tmpreg1;

+}

+

+/**

+  * @brief  Fills each DAC_InitStruct member with its default value.

+  * @param  DAC_InitStruct : pointer to a DAC_InitTypeDef structure which will

+  *   be initialized.

+  * @retval None

+  */

+void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct)

+{

+/*--------------- Reset DAC init structure parameters values -----------------*/

+  /* Initialize the DAC_Trigger member */

+  DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;

+  /* Initialize the DAC_WaveGeneration member */

+  DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;

+  /* Initialize the DAC_LFSRUnmask_TriangleAmplitude member */

+  DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;

+  /* Initialize the DAC_OutputBuffer member */

+  DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;

+}

+

+/**

+  * @brief  Enables or disables the specified DAC channel.

+  * @param  DAC_Channel: the selected DAC channel. 

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Channel_1: DAC Channel1 selected

+  *     @arg DAC_Channel_2: DAC Channel2 selected

+  * @param  NewState: new state of the DAC channel. 

+  *   This parameter can be: ENABLE or DISABLE.

+  * @retval None

+  */

+void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)

+{

+  /* Check the parameters */

+  assert_param(IS_DAC_CHANNEL(DAC_Channel));

+  assert_param(IS_FUNCTIONAL_STATE(NewState));

+  if (NewState != DISABLE)

+  {

+    /* Enable the selected DAC channel */

+    DAC->CR |= CR_EN_Set << DAC_Channel;

+  }

+  else

+  {

+    /* Disable the selected DAC channel */

+    DAC->CR &= ~(CR_EN_Set << DAC_Channel);

+  }

+}

+

+/**

+  * @brief  Enables or disables the specified DAC channel DMA request.

+  * @param  DAC_Channel: the selected DAC channel. 

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Channel_1: DAC Channel1 selected

+  *     @arg DAC_Channel_2: DAC Channel2 selected

+  * @param  NewState: new state of the selected DAC channel DMA request.

+  *   This parameter can be: ENABLE or DISABLE.

+  * @retval None

+  */

+void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)

+{

+  /* Check the parameters */

+  assert_param(IS_DAC_CHANNEL(DAC_Channel));

+  assert_param(IS_FUNCTIONAL_STATE(NewState));

+  if (NewState != DISABLE)

+  {

+    /* Enable the selected DAC channel DMA request */

+    DAC->CR |= CR_DMAEN_Set << DAC_Channel;

+  }

+  else

+  {

+    /* Disable the selected DAC channel DMA request */

+    DAC->CR &= ~(CR_DMAEN_Set << DAC_Channel);

+  }

+}

+

+/**

+  * @brief  Enables or disables the selected DAC channel software trigger.

+  * @param  DAC_Channel: the selected DAC channel. 

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Channel_1: DAC Channel1 selected

+  *     @arg DAC_Channel_2: DAC Channel2 selected

+  * @param  NewState: new state of the selected DAC channel software trigger.

+  *   This parameter can be: ENABLE or DISABLE.

+  * @retval None

+  */

+void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)

+{

+  /* Check the parameters */

+  assert_param(IS_DAC_CHANNEL(DAC_Channel));

+  assert_param(IS_FUNCTIONAL_STATE(NewState));

+  if (NewState != DISABLE)

+  {

+    /* Enable software trigger for the selected DAC channel */

+    DAC->SWTRIGR |= SWTRIGR_SWTRIG_Set << (DAC_Channel >> 4);

+  }

+  else

+  {

+    /* Disable software trigger for the selected DAC channel */

+    DAC->SWTRIGR &= ~(SWTRIGR_SWTRIG_Set << (DAC_Channel >> 4));

+  }

+}

+

+/**

+  * @brief  Enables or disables simultaneously the two DAC channels software

+  *   triggers.

+  * @param  NewState: new state of the DAC channels software triggers.

+  *   This parameter can be: ENABLE or DISABLE.

+  * @retval None

+  */

+void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)

+{

+  /* Check the parameters */

+  assert_param(IS_FUNCTIONAL_STATE(NewState));

+  if (NewState != DISABLE)

+  {

+    /* Enable software trigger for both DAC channels */

+    DAC->SWTRIGR |= DUAL_SWTRIG_Set ;

+  }

+  else

+  {

+    /* Disable software trigger for both DAC channels */

+    DAC->SWTRIGR &= DUAL_SWTRIG_Reset;

+  }

+}

+

+/**

+  * @brief  Enables or disables the selected DAC channel wave generation.

+  * @param  DAC_Channel: the selected DAC channel. 

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Channel_1: DAC Channel1 selected

+  *     @arg DAC_Channel_2: DAC Channel2 selected

+  * @param  DAC_Wave: Specifies the wave type to enable or disable.

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Wave_Noise: noise wave generation

+  *     @arg DAC_Wave_Triangle: triangle wave generation

+  * @param  NewState: new state of the selected DAC channel wave generation.

+  *   This parameter can be: ENABLE or DISABLE.

+  * @retval None

+  */

+void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)

+{

+  /* Check the parameters */

+  assert_param(IS_DAC_CHANNEL(DAC_Channel));

+  assert_param(IS_DAC_WAVE(DAC_Wave)); 

+  assert_param(IS_FUNCTIONAL_STATE(NewState));

+  if (NewState != DISABLE)

+  {

+    /* Enable the selected wave generation for the selected DAC channel */

+    DAC->CR |= DAC_Wave << DAC_Channel;

+  }

+  else

+  {

+    /* Disable the selected wave generation for the selected DAC channel */

+    DAC->CR &= ~(DAC_Wave << DAC_Channel);

+  }

+}

+

+/**

+  * @brief  Set the specified data holding register value for DAC channel1.

+  * @param  DAC_Align: Specifies the data alignement for DAC channel1.

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Align_8b_R: 8bit right data alignement selected

+  *     @arg DAC_Align_12b_L: 12bit left data alignement selected

+  *     @arg DAC_Align_12b_R: 12bit right data alignement selected

+  * @param  Data : Data to be loaded in the selected data holding register.

+  * @retval None

+  */

+void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)

+{  

+  __IO uint32_t tmp = 0;

+  

+  /* Check the parameters */

+  assert_param(IS_DAC_ALIGN(DAC_Align));

+  assert_param(IS_DAC_DATA(Data));

+  

+  tmp = (uint32_t)DAC_BASE; 

+  tmp += DHR12R1_Offset + DAC_Align;

+

+  /* Set the DAC channel1 selected data holding register */

+  *(__IO uint32_t *) tmp = Data;

+}

+

+/**

+  * @brief  Set the specified data holding register value for DAC channel2.

+  * @param  DAC_Align: Specifies the data alignement for DAC channel2.

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Align_8b_R: 8bit right data alignement selected

+  *     @arg DAC_Align_12b_L: 12bit left data alignement selected

+  *     @arg DAC_Align_12b_R: 12bit right data alignement selected

+  * @param  Data : Data to be loaded in the selected data holding register.

+  * @retval None

+  */

+void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)

+{

+  __IO uint32_t tmp = 0;

+

+  /* Check the parameters */

+  assert_param(IS_DAC_ALIGN(DAC_Align));

+  assert_param(IS_DAC_DATA(Data));

+  

+  tmp = (uint32_t)DAC_BASE;

+  tmp += DHR12R2_Offset + DAC_Align;

+

+  /* Set the DAC channel2 selected data holding register */

+  *(__IO uint32_t *)tmp = Data;

+}

+

+/**

+  * @brief  Set the specified data holding register value for dual channel

+  *   DAC.

+  * @param  DAC_Align: Specifies the data alignement for dual channel DAC.

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Align_8b_R: 8bit right data alignement selected

+  *     @arg DAC_Align_12b_L: 12bit left data alignement selected

+  *     @arg DAC_Align_12b_R: 12bit right data alignement selected

+  * @param  Data2: Data for DAC Channel2 to be loaded in the selected data 

+  *   holding register.

+  * @param  Data1: Data for DAC Channel1 to be loaded in the selected data 

+  *   holding register.

+  * @retval None

+  */

+void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)

+{

+  uint32_t data = 0, tmp = 0;

+  

+  /* Check the parameters */

+  assert_param(IS_DAC_ALIGN(DAC_Align));

+  assert_param(IS_DAC_DATA(Data1));

+  assert_param(IS_DAC_DATA(Data2));

+  

+  /* Calculate and set dual DAC data holding register value */

+  if (DAC_Align == DAC_Align_8b_R)

+  {

+    data = ((uint32_t)Data2 << 8) | Data1; 

+  }

+  else

+  {

+    data = ((uint32_t)Data2 << 16) | Data1;

+  }

+  

+  tmp = (uint32_t)DAC_BASE;

+  tmp += DHR12RD_Offset + DAC_Align;

+

+  /* Set the dual DAC selected data holding register */

+  *(__IO uint32_t *)tmp = data;

+}

+

+/**

+  * @brief  Returns the last data output value of the selected DAC cahnnel.

+  * @param  DAC_Channel: the selected DAC channel. 

+  *   This parameter can be one of the following values:

+  *     @arg DAC_Channel_1: DAC Channel1 selected

+  *     @arg DAC_Channel_2: DAC Channel2 selected

+  * @retval The selected DAC channel data output value.

+  */

+uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)

+{

+  __IO uint32_t tmp = 0;

+  

+  /* Check the parameters */

+  assert_param(IS_DAC_CHANNEL(DAC_Channel));

+  

+  tmp = (uint32_t) DAC_BASE ;

+  tmp += DOR_Offset + ((uint32_t)DAC_Channel >> 2);

+  

+  /* Returns the DAC channel data output register value */

+  return (uint16_t) (*(__IO uint32_t*) tmp);

+}

+

+/**

+  * @}

+  */

+

+/**

+  * @}

+  */

+

+/**

+  * @}

+  */

+

+/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/