Diff: libs/spirit1/SPIRIT1_Library/Src/SPIRIT_PktMbus.c

Revision:

0:4fb29d9ee571

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_PktMbus.c	Thu Oct 13 15:41:39 2016 +0200
@@ -0,0 +1,354 @@
+/**
+  ******************************************************************************
+  * @file    SPIRIT_PktMbus.c
+  * @author  VMA division - AMS
+  * @version 3.2.2
+  * @date    08-July-2015
+  * @brief   Configuration and management of SPIRIT MBUS packets.
+  * @details
+  *
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "SPIRIT_PktMbus.h"
+#include "SPIRIT_Radio.h"
+#include "MCU_Interface.h"
+
+/**
+ * @addtogroup SPIRIT_Libraries
+ * @{
+ */
+
+
+/**
+ * @addtogroup SPIRIT_PktMbus
+ * @{
+ */
+
+
+/**
+ * @defgroup PktMbus_Private_TypesDefinitions           Pkt MBUS Private Types Definitions
+ * @{
+ */
+
+/**
+ *@}
+ */
+
+
+/**
+ * @defgroup PktMbus_Private_Defines                    Pkt MBUS Private Defines
+ * @{
+ */
+
+/**
+ *@}
+ */
+
+
+/**
+ * @defgroup PktMbus_Private_Macros                     Pkt MBUS Private Macros
+ * @{
+ */
+
+/**
+ *@}
+ */
+
+
+/**
+ * @defgroup PktMbus_Private_Variables                  Pkt MBUS Private Variables
+ * @{
+ */
+
+/**
+ *@}
+ */
+
+
+/**
+ * @defgroup PktMbus_Private_FunctionPrototypes         Pkt MBUS Private Function Prototypes
+ * @{
+ */
+
+/**
+ *@}
+ */
+
+
+/**
+ * @defgroup PktMbus_Private_Functions                  Pkt MBUS Private Functions
+ * @{
+ */
+
+
+/**
+ * @brief  Initializes the SPIRIT MBUS packet according to the specified parameters in the PktMbusInit struct.
+ * @param  pxPktMbusInit pointer to a PktMbusInit structure that contains the configuration information for the specified SPIRIT MBUS PACKET FORMAT.
+ *         This parameter is a pointer to @ref PktMbusInit.
+ * @retval None.
+ */
+void SpiritPktMbusInit(PktMbusInit* pxPktMbusInit)
+{
+  uint8_t tempRegValue[3];
+
+  /* Check the parameters */
+  s_assert_param(IS_MBUS_SUBMODE(pxPktMbusInit->xMbusSubmode));
+
+  /* Packet format config */
+  SpiritPktMbusSetFormat();
+  SpiritPktCommonFilterOnCrc(S_DISABLE);
+  SpiritRadioCsBlanking(S_ENABLE);
+  
+  /* Preamble, postamble and submode config */
+  tempRegValue[0] = pxPktMbusInit->cPreambleLength;
+  tempRegValue[1] = pxPktMbusInit->cPostambleLength;
+  tempRegValue[2] = (uint8_t) pxPktMbusInit->xMbusSubmode;
+
+  /* Writes the new values on the MBUS_PRMBL registers */
+  g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
+
+}
+
+/**
+ * @brief  Returns the SPIRIT MBUS packet structure according to the specified parameters in the registers.
+ * @param  pxPktMbusInit MBUS packet init structure.
+ *         This parameter is a pointer to @ref PktMbusInit.
+ * @retval None.
+ */
+void SpiritPktMbusGetInfo(PktMbusInit* pxPktMbusInit)
+{
+  uint8_t tempRegValue[3];
+
+  /* Reads the MBUS regs value */
+  g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
+
+  /* Fit the structure */
+  pxPktMbusInit->cPreambleLength = tempRegValue[0];
+  pxPktMbusInit->cPostambleLength = tempRegValue[1];
+  pxPktMbusInit->xMbusSubmode = (MbusSubmode) (tempRegValue[2]&0x0E);
+
+}
+
+
+/**
+ * @brief  Configures the MBUS packet format as the one used by SPIRIT.
+ * @param  None.
+ * @retval None.
+ */
+void SpiritPktMbusSetFormat(void)
+{
+  uint8_t tempRegValue;
+
+  /* Reads the PCKTCTRL3 register value */
+  g_xStatus = SpiritSpiReadRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
+
+  /* Sets format bits. Also set to 0 the direct RX mode bits */
+  tempRegValue &= 0x0F;
+  tempRegValue |= ((uint8_t)PCKTCTRL3_PCKT_FRMT_MBUS);
+
+  /* Writes value on the PCKTCTRL3 register */
+  g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
+
+  /* Reads the PCKTCTRL1 register value */
+  g_xStatus = SpiritSpiReadRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
+
+  /* Build the new value. Set to 0 the direct TX mode bits */
+  tempRegValue &= 0xF3;
+
+  /* Writes the value on the PCKTCTRL1 register */
+  g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
+
+  /* Reads the PROTOCOL1 register */
+  g_xStatus = SpiritSpiReadRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
+
+  /* Mask a reserved bit */
+  tempRegValue &= ~0x20;
+
+  /* Writes the value on the PROTOCOL1 register */
+  g_xStatus = SpiritSpiWriteRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
+
+}
+
+
+/**
+ * @brief  Sets how many chip sequence “01” shall be added in the preamble
+ *         respect to the minimum value as defined according to the specified sub-mode.
+ * @param  cPreamble the number of chip sequence.
+ *         This parameter is an uint8_t.
+ * @retval None.
+ */
+void SpiritPktMbusSetPreamble(uint8_t cPreamble)
+{
+  /* Modifies the MBUS_PRMBL register value */
+  g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 1, &cPreamble);
+
+}
+
+
+/**
+ * @brief  Returns how many chip sequence "01" are added in the preamble
+ *         respect to the minimum value as defined according to the specified sub-mode.
+ * @param  None.
+ * @retval uint8_t Preable in number of "01" chip sequences.
+ */
+uint8_t SpiritPktMbusGetPreamble(void)
+{
+  uint8_t tempRegValue;
+
+  /* Modifies the MBUS_PRMBL register value */
+  g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 1, &tempRegValue);
+
+  /* Return value */
+  return tempRegValue;
+
+}
+
+
+/**
+ * @brief  Sets how many chip sequence “01” will be used in postamble
+ * @param  cPostamble the number of chip sequence.
+ *         This parameter is an uint8_t.
+ * @retval None.
+ */
+void SpiritPktMbusSetPostamble(uint8_t cPostamble)
+{
+  /* Modifies the MBUS_PSTMBL register value */
+  g_xStatus = SpiritSpiWriteRegisters(MBUS_PSTMBL_BASE, 1, &cPostamble);
+
+}
+
+
+/**
+ * @brief  Returns how many chip sequence "01" are used in the postamble
+ * @param  None.
+ * @retval uint8_t Postamble in number of "01" chip sequences.
+ */
+uint8_t SpiritPktMbusGetPostamble(void)
+{
+  uint8_t tempRegValue;
+
+  /* Reads the MBUS_PSTMBL register */
+  g_xStatus = SpiritSpiReadRegisters(MBUS_PSTMBL_BASE, 1, &tempRegValue);
+
+  /* Returns value */
+  return tempRegValue;
+
+}
+
+
+/**
+ * @brief  Sets the MBUS submode used.
+ * @param  xMbusSubmode the submode used.
+ *         This parameter can be any value of @ref MbusSubmode.
+ * @retval None.
+ */
+void SpiritPktMbusSetSubmode(MbusSubmode xMbusSubmode)
+{
+  /* Modifies the MBUS_CTRL register value */
+  g_xStatus = SpiritSpiWriteRegisters(MBUS_CTRL_BASE, 1, (uint8_t*)xMbusSubmode);
+
+}
+
+
+/**
+ * @brief  Returns the MBUS submode used.
+ * @param  None.
+ * @retval MbusSubmode MBUS submode.
+ */
+MbusSubmode SpiritPktMbusGetSubmode(void)
+{
+  uint8_t tempRegValue;
+
+  /* Reads the MBUS_CTRL register value */
+  g_xStatus = SpiritSpiReadRegisters(MBUS_CTRL_BASE, 1, &tempRegValue);
+
+  /* Returns value */
+  return (MbusSubmode) tempRegValue;
+
+}
+
+
+/**
+ * @brief  Sets the payload length for SPIRIT MBUS packets.
+ * @param  nPayloadLength payload length in bytes.
+ *         This parameter is an uint16_t.
+ * @retval None.
+ */
+void SpiritPktMbusSetPayloadLength(uint16_t nPayloadLength)
+{
+  uint8_t tempRegValue[2];
+
+  /* Computes PCKTLEN0 value from nPayloadLength */
+  tempRegValue[1]=BUILD_PCKTLEN0(nPayloadLength);//(uint8_t)nPayloadLength;
+  /* Computes PCKTLEN1 value from nPayloadLength */
+  tempRegValue[0]=BUILD_PCKTLEN1(nPayloadLength);//(uint8_t)(nPayloadLength>>8);
+
+  /* Writes data on the PCKTLEN1/0 register */
+  g_xStatus = SpiritSpiWriteRegisters(PCKTLEN1_BASE, 2, tempRegValue);
+
+}
+
+
+/**
+ * @brief  Returns the payload length for SPIRIT MBUS packets.
+ * @param  None.
+ * @retval uint16_t Payload length in bytes.
+ */
+uint16_t SpiritPktMbusGetPayloadLength(void)
+{
+  uint8_t tempRegValue[2];
+
+  /* Reads the packet length registers */
+  g_xStatus = SpiritSpiReadRegisters(PCKTLEN1_BASE, 2, tempRegValue);
+
+  /* Returns the packet length */
+  return ((((uint16_t)tempRegValue[0])<<8) + (uint16_t) tempRegValue[1]);
+
+}
+
+/**
+ *@}
+ */
+
+/**
+ *@}
+ */
+
+
+/**
+ *@}
+ */
+
+
+
+
+
+/******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/