path: root/third_party/TouchSense/STMTouch_Driver/src/tsl_acq_stm8l_sw.c

/**
  ******************************************************************************
  * @file    tsl_acq_stm8l_sw.c
  * @author  MCD Application Team
  * @version V1.4.4
  * @date    31-March-2014
  * @brief   This file contains all functions to manage the acquisition
  *          on STM8L products using the software acquisition mode.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "tsl_acq_stm8l_sw.h"
#include "tsl_globals.h"

/* Private typedefs ----------------------------------------------------------*/

/** Structure containing RI IO informations according to GPIO.
  */
typedef struct
{
  unsigned int IO_Channel : 4; /**< Channel number from 1 to 4 in the Routing interface group */
  unsigned int IO_Group   : 4; /**< Group number in the Routing interface */
} TSL_IOConf_T;

/* Private defines -----------------------------------------------------------*/

/** Define if maximum channel number is 3 or 4 according to the Device Density
  */
#if defined(STM8L15X_LD) || defined(STM8L10X)
#define MAX_CHANNEL_NUMBER_BY_GROUP (4)
#else
#define MAX_CHANNEL_NUMBER_BY_GROUP (3)
#endif // defined(STM8L15X_LD) || defined(STM8L10X)

#if defined(_COSMIC_)
#define INLINE @inline
#elif defined(_RAISONANCE_)
#define INLINE inline
#elif defined(_IAR_)
#define INLINE
#else
#error "Compiler not Supported"
#endif

/* Private macros ------------------------------------------------------------*/

#if !defined(STM8L10X)
#define GPIO_PORT(GPIO)  (GPIO >> 3)   /**< Get the GPIO port*/
#define GPIO_BIT(GPIO)   (GPIO & 0x07) /**< Get the GPIO pin number*/
#else
#define GPIO_PORT(GPIO)  (GPIO >> 2)   /**< Get the GPIO port*/
#define GPIO_BIT(GPIO)   (GPIO & 0x03) /**< Get the GPIO pin number*/
#endif // !defined(STM8L10X)

#define IS_BANK_INDEX_OK(INDEX)   (((INDEX) == 0) || (((INDEX) > 0) && ((INDEX) < TSLPRM_TOTAL_BANKS))) /**< Check if the index have a good range*/

#define GPIO_ODR_HIGH(GPIO)      (p_GPIOx[GPIO_PORT(GPIO)]->ODR |= (uint8_t)(1 << GPIO_BIT(GPIO)))
#define GPIO_ODR_LOW(GPIO)       (p_GPIOx[GPIO_PORT(GPIO)]->ODR &= (uint8_t)(~(1 << GPIO_BIT(GPIO))))
#define GPIO_DDR_IN(GPIO)        (p_GPIOx[GPIO_PORT(GPIO)]->DDR &= (uint8_t)(~(1 << GPIO_BIT(GPIO))))
#define GPIO_DDR_OUT(GPIO)       (p_GPIOx[GPIO_PORT(GPIO)]->DDR |= (uint8_t)(1 << GPIO_BIT(GPIO)))
#define GPIO_CR1_PP(GPIO)        (p_GPIOx[GPIO_PORT(GPIO)]->CR1 |= (uint8_t)(1 << GPIO_BIT(GPIO)))
#define GPIO_CR1_FLOATING(GPIO)  (p_GPIOx[GPIO_PORT(GPIO)]->CR1 &= (uint8_t)(~(1 << GPIO_BIT(GPIO))))

#define DISABLE_MASK(GPIO)     (DisableMask[(GPIO_to_SW_Conf[GPIO].IO_Channel)-1] |= (uint8_t)(1 << GPIO_to_SW_Conf[GPIO].IO_Group)) /**< Create disable mask array to modify initial bank mask before acquisition (only for STATUS_OFF)*/
#define DISABLE_SAMPLING(GPIO) (DisableSampling |= (uint8_t)(1 << GPIO_to_SW_Conf[GPIO].IO_Group)) /**< Create disable sampling mask to don't take sampling measurement of corresponding channels(for STATUS_BURST_ONLY and shield) */

/* Private variables ---------------------------------------------------------*/

uint8_t SpreadCounter = TSLPRM_SPREAD_MIN;

uint16_t ChargeTransferCounter;  // This variable count the charge transfer number in the acquisition loop
uint8_t BankDone;                // Control if all activate sampling reach the VIH level
uint8_t CurrentSampling;         // Mask to control IOGCR register
uint8_t CurrentChannel;          // Mask to control IOGCR register
uint8_t ChannelSampling;         // Contain the channel number where all sampling are connected
uint8_t DisableSampling;         // Disable sampling mask when the Burst Only mode is activated for one channel of the current bank(not get the measure)

TSL_Bank_Config_Mask_T BankMask[TSLPRM_TOTAL_BANKS]; // Complete masks (channel and sampling) to configure IOCMRx and IOSRx registers for all banks
uint8_t SamplingMask[TSLPRM_TOTAL_BANKS];            // Sampling mask to configure IOGCR register for all banks
uint8_t DisableMask[MAX_CHANNEL_NUMBER_BY_GROUP];    // Complete disable mask(channel and sampling) when the Channel OFF mode is activated for one channel of the current bank(to modifie the CurrentBank)
uint8_t CurrentBank[MAX_CHANNEL_NUMBER_BY_GROUP];    // Complete mask for the current bank

#if !defined(STM8L10X)

#if defined(STM8L15X_LD)
__IO uint8_t *RI_IOIRx_Register[MAX_CHANNEL_NUMBER_BY_GROUP] = {&(RI->IOIR1), &(RI->IOIR2), &(RI->IOIR3), &(RI->IOIR4)};
#else
__IO uint8_t *RI_IOIRx_Register[MAX_CHANNEL_NUMBER_BY_GROUP] = {&(RI->IOIR1), &(RI->IOIR2), &(RI->IOIR3)};
#endif // STM8L15X_LD

__IO uint8_t *p_IOIRx; // Pointer to the IOIRx register (x from 1 to 4)
GPIO_TypeDef *p_GPIOx[] = {GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, GPIOF};

uint16_t tab_MeasurementCounter[8] = {0}; // Measurement of each sampling of the current bank
uint8_t ChannelMask[TSLPRM_TOTAL_BANKS];  // Channel mask to configure IOGCR register for all banks

/* Table which do the link between GPIO and switch configuation:{x,y}
   x = channel number
   y = group number - 1
   Note: {0,0} = not connect to IO switch
*/
CONST TSL_IOConf_T GPIO_to_SW_Conf[40] =
{
  // Port A definitions
  {0, 0}, // PA0
  {0, 0}, // PA1
  {0, 0}, // PA2
  {0, 0}, // PA3
  {3, 0}, // PA4 is channel 3 of Group 1
  {2, 0}, // PA5 is channel 2 of Group 1
  {1, 0}, // PA6 is channel 1 of Group 1
  {4, 0}, // PA7 is channel 4 of Group 1
  // Port B definitions
  {1, 6}, // PB0
  {3, 5},
  {2, 5},
  {1, 5},
  {3, 4},
  {2, 4},
  {1, 4},
  {3, 3}, // PB7
  // Port C definitions
  {0, 0}, // PC0
  {0, 0},
  {1, 2},
  {3, 1},
  {2, 1},
  {0, 0},
  {0, 0},
  {1, 1}, // PC7
  // Port D definitions
  {2, 7}, // PD0
  {1, 7},
  {3, 6},
  {2, 6},
  {2, 3},
  {1, 3},
  {3, 2},
  {2, 2}, // PD7
  // Port E definitions
  {0, 0}, // PE0
  {0, 0},
  {0, 0},
  {4, 6},
  {4, 7},
  {3, 7},
  {0, 0},
  {4, 1} // PE7
};

#else // STM8L10X

__IO uint8_t *p_GPIOx_IDR;
__IO uint8_t *GPIOx_IDR[2] = {&(GPIOB->IDR), &(GPIOD->IDR)};

GPIO_TypeDef *p_GPIOx[] = {GPIOB, GPIOD};

uint16_t tab_MeasurementCounter[2] = {0};         // Measurement of each sampling of the current bank
uint8_t Bank_IO_CompMask[TSLPRM_TOTAL_BANKS];     // IO Mask for Comparator register to control SW
uint8_t BankSamplingCompMask[TSLPRM_TOTAL_BANKS]; // Sampling Mask for Comparator register to control SW
uint8_t Bank_IOShield_CompMask[TSLPRM_TOTAL_BANKS];
uint8_t BankSamplingShieldCompMask[TSLPRM_TOTAL_BANKS];

/* Table which do the link between GPIO and switch configuation:{x,y}
   x = channel number
   y = group number - 1
   Note: {0,0} = not connect to IO switch
*/
CONST TSL_IOConf_T GPIO_to_SW_Conf[8] =
{
  // Port B definitions
  {1, 0}, // PB0 is channel 1 of Group 1
  {2, 0}, // PB1 is channel 2 of Group 1
  {1, 1}, // PB2 is channel 1 of Group 2
  {2, 1}, // PB3 is channel 2 of Group 2
  // Port D definitions
  {3, 0}, // PD0 is channel 3 of Group 1
  {4, 0}, // PD1 is channel 4 of Group 1
  {3, 1}, // PD2 is channel 3 of Group 2
  {4, 1}  // PD3 is channel 4 of Group 2
};

#endif // !defined(STM8L10X)

/* Private functions prototype -----------------------------------------------*/
void SoftDelay(uint16_t val);
void CreateMask(TSL_tIndex_T idx_bk, uint8_t GPIO);
void GetCounter(__IO uint8_t *p_reg, uint8_t *p_old_status);
INLINE void __Delay_Charge(void);
void CreateIOMask(TSL_tIndex_T idx_bk, uint8_t GPIO);
void CreateSamplingMask(TSL_tIndex_T idx_bk, uint8_t GPIO);
#if (TSLPRM_USE_SPREAD_SPECTRUM > 0)
INLINE void SwSpreadSpectrum(void);
#endif


/**
  * @brief  Delay in NOPs to apply during charging time.
  * @param  None
  * @retval None
  */
INLINE void __Delay_Charge(void)
{
#if TSLPRM_DELAY_CHARGE > 0
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 1
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 2
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 3
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 4
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 5
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 6
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 7
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 8
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 9
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 10
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 11
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 12
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 13
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 14
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 15
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 16
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 17
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 18
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 19
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 20
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 21
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 22
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 23
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 24
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 25
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 26
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 27
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 28
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 29
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 30
  nop();
#endif
#if TSLPRM_DELAY_CHARGE > 31
  nop();
#endif
}


/**
  * @brief  Delay in NOPs to apply during transfering time.
  * @param  None
  * @retval None
  */
INLINE void __Delay_Transfer(void)
{
#if TSLPRM_DELAY_TRANSFER > 0
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 1
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 2
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 3
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 4
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 5
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 6
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 7
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 8
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 9
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 10
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 11
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 12
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 13
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 14
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 15
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 16
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 17
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 18
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 19
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 20
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 21
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 22
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 23
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 24
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 25
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 26
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 27
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 28
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 29
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 30
  nop();
#endif
#if TSLPRM_DELAY_TRANSFER > 31
  nop();
#endif
}


/**
  * @brief  Initialize the acquisition module.
  * @param  None
  * @retval Status
  */
TSL_Status_enum_T TSL_acq_Init(void)
{
  CONST TSL_Bank_T *p_bank = &(TSL_Globals.Bank_Array[0]); // Pointer to the first bank
  CONST TSL_ChannelSrc_T *p_chSrc = p_bank->p_chSrc; // Pointer to the source channel of the current bank
  TSL_tNb_T number_of_channels = 0;
  TSL_tIndex_T idx_bk;
  TSL_tIndex_T idx_ch;

#if !defined(STM8L10X)
  // Enable comparator clock to activate the RI block
  CLK->PCKENR2 |= CLK_PCKENR2_COMP;
#endif // !defined(STM8L10X)

  // Enable mode software (bit AM)
#if defined(STM8L15X_LD)
  RI->CR &= (uint8_t)(~0x04); // Mode SW
#endif // STM8L15X_LD

  // Initializes each bank and configures the used GPIO
  for (idx_bk = 0; idx_bk < TSLPRM_TOTAL_BANKS; idx_bk++)
  {
    p_bank = &(TSL_Globals.Bank_Array[idx_bk]);
    p_chSrc = p_bank->p_chSrc;
    number_of_channels = p_bank->NbChannels;

#if !defined(STM8L10X)
    // Mask Initialization
    BankMask[idx_bk].ch1 = 0;
    BankMask[idx_bk].ch2 = 0;
    BankMask[idx_bk].ch3 = 0;
    BankMask[idx_bk].ch4 = 0;
#else
    // Mask Initialization
    BankMask[idx_bk].GPIOB_IO = 0;
    BankMask[idx_bk].GPIOB_Samp = 0;
    BankMask[idx_bk].GPIOD_IO = 0;
    BankMask[idx_bk].GPIOD_Samp = 0;
#endif // !defined(STM8L10X)

    // Get which channel is used for sampling only one time because it's the same for each couple
    SamplingMask[idx_bk] = (uint8_t)GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel;

#if (TSLPRM_USE_SHIELD > 0)

    // Create Mask per bank for shield
#if !defined(STM8L10X)
    CreateMask(idx_bk, p_bank->shield_sampling);
    CreateMask(idx_bk, p_bank->shield_channel);
    ChannelMask[idx_bk] |= (uint8_t)(3 << (2 * ((GPIO_to_SW_Conf[p_bank->shield_channel].IO_Channel) - 1)));
#else
    CreateIOMask(idx_bk, p_bank->shield_channel);
    CreateSamplingMask(idx_bk, p_bank->shield_sampling);
#endif // !defined(STM8L10X)

    // Check if shield sampling capacitors are in the same number of channel for each group
    if ((SamplingMask[idx_bk] != (uint8_t)GPIO_to_SW_Conf[p_bank->shield_sampling].IO_Channel))
    {
      return TSL_STATUS_ERROR;
    }

    // GPIO in Output
    GPIO_DDR_OUT(p_bank->shield_sampling);
    GPIO_DDR_OUT(p_bank->shield_channel);
    // GPIO in PP
    GPIO_CR1_PP(p_bank->shield_sampling);
    GPIO_CR1_PP(p_bank->shield_channel);
    // Output in Low level
    GPIO_ODR_LOW(p_bank->shield_sampling);
    GPIO_ODR_LOW(p_bank->shield_channel);
    
    // Activate Comparator 1
    if (GPIO_to_SW_Conf[p_bank->shield_sampling].IO_Group == 0)
    {
      COMP->CR |= 0x02;
    }
    // Activate Comparator 2
    if (GPIO_to_SW_Conf[p_bank->shield_sampling].IO_Group == 1)
    {
      COMP->CR |= 0x04;
    }

#endif // TSLPRM_USE_SHIELD

    // Initialize the mask for channel and sampling
    for (idx_ch = 0; idx_ch < number_of_channels; idx_ch++)
    {
#if !defined(STM8L10X)
      // Create Mask per bank for channel and sampling
      CreateMask(idx_bk, p_chSrc->channel);
      CreateMask(idx_bk, p_chSrc->sampling);
      ChannelMask[idx_bk] |= (uint8_t)(3 << (2 * ((GPIO_to_SW_Conf[p_chSrc->channel].IO_Channel) - 1)));
      // Check if sampling capacitors are in the same number of channel for each group
      if ((SamplingMask[idx_bk] != (uint8_t)GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel))
      {
        return TSL_STATUS_ERROR;
      }
#else
      // Activate Comparator 1
      if (p_chSrc->IdxSrc == 0)
      {
        COMP->CR |= 0x02;
      }
      // Activate Comparator 2
      if (p_chSrc->IdxSrc == 1)
      {
        COMP->CR |= 0x04;
      }
      // Create Mask per bank for channel and sampling
      CreateIOMask(idx_bk,p_chSrc->channel);
      Bank_IO_CompMask[idx_bk] |= (uint8_t)(1 << (GPIO_to_SW_Conf[p_chSrc->channel].IO_Channel - 1));
      Bank_IO_CompMask[idx_bk] = (uint8_t)(Bank_IO_CompMask[idx_bk] << (4 * GPIO_to_SW_Conf[p_chSrc->channel].IO_Group));
      CreateSamplingMask(idx_bk,p_chSrc->sampling);
      BankSamplingCompMask[idx_bk] |= (uint8_t)(1 << (GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel - 1));
      BankSamplingCompMask[idx_bk] = (uint8_t)(BankSamplingCompMask[idx_bk] << (4 * GPIO_to_SW_Conf[p_chSrc->sampling].IO_Group));
      if ((SamplingMask[idx_bk] != (uint8_t)GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel))
      {
        return TSL_STATUS_ERROR;
      }
#if (TSLPRM_USE_SHIELD > 0)
    Bank_IOShield_CompMask[idx_bk] |= (uint8_t)(1 << (GPIO_to_SW_Conf[p_bank->shield_channel].IO_Channel - 1));
      Bank_IOShield_CompMask[idx_bk] = (uint8_t)(Bank_IOShield_CompMask[idx_bk] << (4 * GPIO_to_SW_Conf[p_bank->shield_channel].IO_Group));
    BankSamplingShieldCompMask[idx_bk] |= (uint8_t)(1 << (GPIO_to_SW_Conf[p_bank->shield_sampling].IO_Channel - 1));
      BankSamplingShieldCompMask[idx_bk] = (uint8_t)(BankSamplingShieldCompMask[idx_bk] << (4 * GPIO_to_SW_Conf[p_bank->shield_sampling].IO_Group));
    Bank_IO_CompMask[idx_bk] = (uint8_t)(Bank_IO_CompMask[idx_bk] | Bank_IOShield_CompMask[idx_bk]);
    BankSamplingCompMask[idx_bk] = (uint8_t)(BankSamplingCompMask[idx_bk] | BankSamplingShieldCompMask[idx_bk]);
#endif
#endif // !defined(STM8L10X)

      // GPIO are configured in PP Low mode when inactive
      // GPIO in Output
      GPIO_DDR_OUT(p_chSrc->sampling);
      GPIO_DDR_OUT(p_chSrc->channel);
      // GPIO in PP
      GPIO_CR1_PP(p_chSrc->sampling);
      GPIO_CR1_PP(p_chSrc->channel);
      // Output in Low level
      GPIO_ODR_LOW(p_chSrc->sampling);
      GPIO_ODR_LOW(p_chSrc->channel);
      
      p_chSrc++; // Next channel
    }

#if !defined(STM8L10X)
    // Unlock IO to RI register: IO controlled by GPIO
    RI->IOCMR1 &= (uint8_t)(~BankMask[idx_bk].ch1);
    RI->IOCMR2 &= (uint8_t)(~BankMask[idx_bk].ch2);
    RI->IOCMR3 &= (uint8_t)(~BankMask[idx_bk].ch3);
#if defined(STM8L15X_LD)
    RI->IOCMR4 &= (uint8_t)(~BankMask[idx_bk].ch4);
#endif // STM8L15X_LD || STM8L10X
#endif // !defined(STM8L10X)
  }

  return  TSL_STATUS_OK;
}


#if !defined(STM8L10X)
/**
  * @brief  Create Mask for all banks
  * @param[in] idx_bk  Index of the Bank to configure
  * @param[in] GPIO    Pin number
  * @retval None
  */
void CreateMask(TSL_tIndex_T idx_bk, uint8_t GPIO)
{
  switch (GPIO_to_SW_Conf[GPIO].IO_Channel)
  {
    case 1:
      BankMask[idx_bk].ch1 |= (uint8_t)(1 << GPIO_to_SW_Conf[GPIO].IO_Group); // Mask for all first channel
      break;
    case 2:
      BankMask[idx_bk].ch2 |= (uint8_t)(1 << GPIO_to_SW_Conf[GPIO].IO_Group); // Mask for all second channel
      break;
    case 3:
      BankMask[idx_bk].ch3 |= (uint8_t)(1 << GPIO_to_SW_Conf[GPIO].IO_Group); // Mask fo all third channel
      break;
#if defined(STM8L15X_LD) || defined(STM8L10X)
    case 4:
      BankMask[idx_bk].ch4 |= (uint8_t)(1 << GPIO_to_SW_Conf[GPIO].IO_Group); // Mask for all fourth channel
      break;
#endif // STM8L15X_LD || STM8L10X
    default:
      break;
  }
}

#else

/**
  * @brief  Create IO Mask for all banks
  * @param[in] idx_bk  Index of the Bank to configure
  * @param[in] GPIO    Pin number
  * @retval None
  */
void CreateIOMask(TSL_tIndex_T idx_bk, uint8_t GPIO)
{
  switch (GPIO_PORT(GPIO))
  {
    case 0:
      BankMask[idx_bk].GPIOB_IO |= (uint8_t)(1 << GPIO_BIT(GPIO)); 
      break;
    case 1:
      BankMask[idx_bk].GPIOD_IO |= (uint8_t)(1 << GPIO_BIT(GPIO)); 
      break;
    default:
      break;
  }
}


/**
  * @brief  Create Sampling Mask for all banks
  * @param[in] idx_bk  Index of the Bank to configure
  * @param[in] GPIO    Pin number
  * @retval None
  */
void CreateSamplingMask(TSL_tIndex_T idx_bk, uint8_t GPIO)
{
  switch (GPIO_PORT(GPIO))
  {
    case 0:
      BankMask[idx_bk].GPIOB_Samp |= (uint8_t)(1 << GPIO_BIT(GPIO));
      break;
    case 1:
      BankMask[idx_bk].GPIOD_Samp |= (uint8_t)(1 << GPIO_BIT(GPIO));
      break;
    default:
      break;
  }
}

#endif // !defined(STM8L10X)


#if (TSLPRM_USE_SPREAD_SPECTRUM > 0)
/**
  * @brief  Spread Spectrum using a variable software delay.
  * @param  None
  * @retval None
  */
INLINE void SwSpreadSpectrum(void)
{
  uint8_t idx;

  SpreadCounter++;

  if (SpreadCounter == TSLPRM_SPREAD_MAX)
  {
    SpreadCounter = TSLPRM_SPREAD_MIN;
  }

  idx = SpreadCounter;

  while (--idx) {}
}
#endif


/**
  * @brief  Bank configuration
  * @param[in] idx_bk  Index of the Bank to configure
  * @retval Status
  */
TSL_Status_enum_T TSL_acq_BankConfig(TSL_tIndex_T idx_bk)
{
  uint8_t idx_i;
#if defined(STM8L10X)  
  uint8_t GroupUsed = 0;
#endif
  TSL_tIndex_T idx_dest;
  TSL_tIndex_T idx_ch;
  TSL_tNb_T number_of_channels = 0;
  CONST TSL_Bank_T *p_bank; // Pointer to the current bank
  CONST TSL_ChannelDest_T *p_chDest; // Pointer to the first destination channel of the current bank
  CONST TSL_ChannelSrc_T *p_chSrc; // Pointer to the fisrt source channel of the current bank

  // Check parameters (if USE_FULL_ASSERT is defined)
  assert_param(IS_BANK_INDEX_OK(idx_bk));

  p_bank = &(TSL_Globals.Bank_Array[idx_bk]);
  number_of_channels = p_bank->NbChannels;
  p_chDest = p_bank->p_chDest;
  p_chSrc = p_bank->p_chSrc;

  // Reset the disable mask
  DisableSampling = 0;
  for (idx_i = 0; idx_i < MAX_CHANNEL_NUMBER_BY_GROUP; idx_i++)
  {
    DisableMask[idx_i] = 0;
  }
  
  BankDone = 0;

#if (TSLPRM_USE_SHIELD > 0)
  DISABLE_SAMPLING(p_bank->shield_sampling);
#endif // TSLPRM_USE_SHIELD

  ChannelSampling = SamplingMask[idx_bk]; // Mask for the channel used by sampling

  // Loop for each channel of this bank
  for (idx_ch = 0; idx_ch < number_of_channels; idx_ch++)
  {
    idx_dest = p_chDest->IdxDest;
#if defined(STM8L10X)
    if (p_chSrc->IdxSrc == 0)
    {
      GroupUsed |= 0x01;
    }
    if (p_chSrc->IdxSrc == 1)
    {
      GroupUsed |= 0x02;
    }
#endif // defined(STM8L10X)

    // Mode Status OFF
    if (p_bank->p_chData[idx_dest].Flags.ObjStatus == TSL_OBJ_STATUS_OFF)
    {
#if !defined(STM8L10X)
      // Update Mask if channels are disabled
      DISABLE_MASK(p_chSrc->channel);
      DISABLE_MASK(p_chSrc->sampling);
#else  
      // Update Mask if channels are disabled
      if (GPIO_to_SW_Conf[p_chSrc->channel].IO_Channel > 2)
      {
        DisableMask[2] |= (uint8_t)(1 << ((2 * GPIO_to_SW_Conf[p_chSrc->channel].IO_Group) + (GPIO_to_SW_Conf[p_chSrc->channel].IO_Channel - 3)));
      }
      else
      {
        DisableMask[0] |= (uint8_t)(1 << ((2 * GPIO_to_SW_Conf[p_chSrc->channel].IO_Group) + (GPIO_to_SW_Conf[p_chSrc->channel].IO_Channel - 1)));
      }
      if (GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel > 2)
      {
        DisableMask[3] |= (uint8_t)(1 << ((2 * GPIO_to_SW_Conf[p_chSrc->sampling].IO_Group) + (GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel - 3)));
      }
      else
      {
        DisableMask[1] |= (uint8_t)(1<<((2 * GPIO_to_SW_Conf[p_chSrc->sampling].IO_Group) + (GPIO_to_SW_Conf[p_chSrc->sampling].IO_Channel - 1)));
      }
#endif // !defined(STM8L10X)
    }

    // Mode Status BURST ONLY
    if (p_bank->p_chData[idx_dest].Flags.ObjStatus == TSL_OBJ_STATUS_BURST_ONLY)
    {
#if !defined(STM8L10X)
      DISABLE_SAMPLING(p_chSrc->sampling);
#else
      if (p_chSrc->IdxSrc == 0)
      {
        GroupUsed &= (uint8_t)(~0x01);
      }
      if (p_chSrc->IdxSrc == 1)
      {
        GroupUsed &= (uint8_t)(~0x02);
      }
#endif // !defined(STM8L10X)
    }
    
    tab_MeasurementCounter[GPIO_to_SW_Conf[p_chSrc->sampling].IO_Group] = 0;
      
    // Next channel
    p_chSrc++;
    p_chDest++;
  }

#if !defined(STM8L10X)
  //Get Mask for the current bank
  CurrentBank[0] = (uint8_t)(BankMask[idx_bk].ch1 & (~DisableMask[0])); // Mask for all 1st channel are used by channels and sampling for this bank
  CurrentBank[1] = (uint8_t)(BankMask[idx_bk].ch2 & (~DisableMask[1])); // Mask for all 2nd channel are used by channels and sampling for this bank
  CurrentBank[2] = (uint8_t)(BankMask[idx_bk].ch3 & (~DisableMask[2])); // Mask for all 3rd channel are used by channels and sampling for this bank
#if defined(STM8L15X_LD)
  CurrentBank[3] = (uint8_t)(BankMask[idx_bk].ch4 & (~DisableMask[3])); // Mask for all 4th channel are used by channels and sampling for this bank
#endif // STM8L15X_LD
  CurrentChannel = ChannelMask[idx_bk];  // Mask for channels
  CurrentSampling = (uint8_t)(3 << (2 * (SamplingMask[idx_bk] - 1))); // Mask for sampling
  
  // Channel's state of the current bank
  BankDone = (uint8_t)(CurrentBank[ChannelSampling - 1] & (~DisableSampling));
  
  // Select the Input register corresponding to the channel sampling (to optimize the measurement)
  p_IOIRx = RI_IOIRx_Register[ChannelSampling - 1];
  
#else
  //Get Mask for the current bank
  CurrentBank[0] = (uint8_t)(BankMask[idx_bk].GPIOB_IO & (~DisableMask[0]));
  CurrentBank[1] = (uint8_t)(BankMask[idx_bk].GPIOB_Samp & (~DisableMask[1]));
  CurrentBank[2] = (uint8_t)(BankMask[idx_bk].GPIOD_IO & (~DisableMask[2]));
  CurrentBank[3] = (uint8_t)(BankMask[idx_bk].GPIOD_Samp & (~DisableMask[3]));
  
  CurrentChannel = (uint8_t)(Bank_IO_CompMask[idx_bk]); // Mask for channels
  CurrentSampling = (uint8_t)(BankSamplingCompMask[idx_bk]); // Mask for sampling
  
  // Select the Input register corresponding to the channel sampling (to optimize the measurement) and update BankDone, which is the mask where there are sampling capacitors
  if (ChannelSampling > 2)  // GPIOD
  {
    p_GPIOx_IDR = GPIOx_IDR[1];
    if ((GroupUsed & 0x01) == 1)
    {
      BankDone |= (uint8_t)(1 << (ChannelSampling - 3));
    }
    if((GroupUsed & 0x02) == 2)
    {
      BankDone |= (uint8_t)(1 << (2 + (ChannelSampling - 3)));
    }

  }
  else // GPIOB
  {
    p_GPIOx_IDR = GPIOx_IDR[0];
    if ((GroupUsed & 0x01) == 1)
    {
      BankDone |= (uint8_t)(1 << (ChannelSampling - 1));
    }
    if ((GroupUsed & 0x02) == 2)
    {
      BankDone |= (uint8_t)(1 << (2 + (ChannelSampling - 1)));
    }
  }
   
#endif // !defined(STM8L10X)

  return TSL_STATUS_OK;
}


#if !defined(STM8L10X)

/**
  * @brief  Start acquisition
  * @param  None
  * @retval None
  */
void TSL_acq_BankStartAcq(void)
{
  CONST TSL_Bank_T *p_bank = &(TSL_Globals.Bank_Array[0]);
  CONST TSL_ChannelSrc_T *p_chSrc;
  TSL_tNb_T number_of_channels = 0;
  TSL_tIndex_T idx_bk;
  TSL_tIndex_T idx_ch;
  uint8_t step3, step5, deadtime1, deadtime2; //intermediate variables to speed-up the acquisition loop
  
  uint8_t old_status = 0;

  ChargeTransferCounter = 0;
  
#if (TSLPRM_IODEF > 0)
  //============================
  // All GPIOs in Input floating
  //============================
  for (idx_bk = 0; idx_bk < TSLPRM_TOTAL_BANKS; idx_bk++)
  {
    p_bank = &(TSL_Globals.Bank_Array[idx_bk]);
    p_chSrc = p_bank->p_chSrc;

#if (TSLPRM_USE_SHIELD > 0)
    // GPIO in floating mode
    GPIO_CR1_FLOATING(p_bank->shield_sampling);
    GPIO_CR1_FLOATING(p_bank->shield_channel);
    // GPIO in Input
    GPIO_DDR_IN(p_bank->shield_sampling);
    GPIO_DDR_IN(p_bank->shield_channel);
#endif // TSLPRM_USE_SHIELD

    number_of_channels = p_bank->NbChannels;

    for (idx_ch = 0;
         idx_ch < number_of_channels;
         idx_ch++)
    {
      // GPIO in floating mode
      GPIO_CR1_FLOATING(p_chSrc->sampling);
      GPIO_CR1_FLOATING(p_chSrc->channel);
      // GPIO in Input
      GPIO_DDR_IN(p_chSrc->sampling);
      GPIO_DDR_IN(p_chSrc->channel);
      p_chSrc++;
    }
  }
#endif // TSLPRM_IODEF

  // Test if this bank is not empty
  if (BankDone != 0)
  {
    // Enable necessary IOs
    RI->IOCMR1 |= (uint8_t)CurrentBank[0];
    RI->IOCMR2 |= (uint8_t)CurrentBank[1];
    RI->IOCMR3 |= (uint8_t)CurrentBank[2];
#if defined(STM8L15X_LD)
    RI->IOCMR4 |= (uint8_t)CurrentBank[3];
#endif // STM8L15X_LD

    RI->IOSR1 |= (uint8_t)CurrentBank[0];
    RI->IOSR2 |= (uint8_t)CurrentBank[1];
    RI->IOSR3 |= (uint8_t)CurrentBank[2];
#if defined(STM8L15X_LD)
    RI->IOSR4 |= (uint8_t)CurrentBank[3];
#endif // STM8L15X_LD

    /* STEP1 : Discharging all capacitors
    ==> all IOs in Push-Pull LOW */
    RI->IOGCR &= (uint8_t)(~(CurrentChannel | CurrentSampling));

    /* STEP2: Waiting for complete discharge */
    SoftDelay(TSLPRM_DELAY_DISCHARGE_ALL);
    // Dead Time
    RI->IOGCR |= (uint8_t)(0xAA & (CurrentChannel | CurrentSampling));

    // Close switch sampling
    RI->IOGCR |= CurrentSampling;

    /* Copmpute RI->IOGCR for each step */
    /* STEP3: Charging C-Touch
    ==> Channels in Push-Pull HIGH
    ==> Sampling kept open */
    step3 = (uint8_t)(RI->IOGCR ^ CurrentChannel);
    /* Deadtime */
    deadtime1 = RI->IOGCR ; // equivalent to step3 ^ (uint8_t)CurrentChannel;
    /* STEP5: Transfering C-Touch charge in C-Sampling
    ==> Close IOs Switchs */
    step5 = (uint8_t)(RI->IOGCR | CurrentChannel);
    /* Deadtime */
    deadtime2 = (uint8_t)(step5 & (0xAA | (~CurrentChannel)));

    // Loop while all sampling have not reach the VIH level
    do
    {
      /* STEP3: Charging C-Touch */
      RI->IOGCR = step3;
      // Get the measurement of counter if the value of Input register change
      if ((*p_IOIRx & BankDone) != old_status)
      {
        GetCounter(p_IOIRx, &old_status);
      }

      /* STEP4 : Waiting for good chargement */
      __Delay_Charge();

#if (TSLPRM_USE_SPREAD_SPECTRUM > 0)
      SwSpreadSpectrum();
#endif

      /* Dead Time */
      RI->IOGCR = deadtime1;
      /* STEP5: Transfering C-Touch charge in C-Sampling */
      RI->IOGCR = step5;
      
      ChargeTransferCounter++;
      
      /* STEP6: Waiting for good transfer */
      __Delay_Transfer();
      
      /* Dead Time  */
      RI->IOGCR = deadtime1;
    } while ((old_status != BankDone) && (ChargeTransferCounter <= TSL_Params.AcqMax));

    // Get the value of counter if he reach the Max count
    if(ChargeTransferCounter > TSL_Params.AcqMax)
    {
      GetCounter(&BankDone, &old_status);
    }

    // Disable necessary IOs
    RI->IOSR1 &= (uint8_t)(~(CurrentBank[0]));
    RI->IOSR2 &= (uint8_t)(~(CurrentBank[1]));
    RI->IOSR3 &= (uint8_t)(~(CurrentBank[2]));
#if defined(STM8L15X_LD)
    RI->IOSR4 &= (uint8_t)(~(CurrentBank[3]));
#endif

    RI->IOCMR1 &= (uint8_t)(~(CurrentBank[0]));
    RI->IOCMR2 &= (uint8_t)(~(CurrentBank[1]));
    RI->IOCMR3 &= (uint8_t)(~(CurrentBank[2]));
#if defined(STM8L15X_LD)
    RI->IOCMR4 &= (uint8_t)(~(CurrentBank[3]));
#endif

    //====================
    // All GPIOs in PP Low
    //====================
    for (idx_bk = 0; idx_bk < TSLPRM_TOTAL_BANKS;idx_bk++)
    {
      p_bank = &(TSL_Globals.Bank_Array[idx_bk]);
      p_chSrc = p_bank->p_chSrc;
  
#if (TSLPRM_USE_SHIELD > 0)
        // Output in Low level
        GPIO_ODR_LOW(p_bank->shield_sampling);
        GPIO_ODR_LOW(p_bank->shield_channel);
        // GPIO in Output
        GPIO_DDR_OUT(p_bank->shield_sampling);
        GPIO_DDR_OUT(p_bank->shield_channel);
        // GPIO in PP
        GPIO_CR1_PP(p_bank->shield_sampling);
        GPIO_CR1_PP(p_bank->shield_channel);
#endif // TSLPRM_USE_SHIELD
  
      number_of_channels = p_bank->NbChannels;
  
      for (idx_ch = 0;
           idx_ch < number_of_channels;
           idx_ch++)
      {
        // Output in Low level
        GPIO_ODR_LOW(p_chSrc->sampling);
        GPIO_ODR_LOW(p_chSrc->channel);
        // GPIO in Output
        GPIO_DDR_OUT(p_chSrc->sampling);
        GPIO_DDR_OUT(p_chSrc->channel);
        // GPIO in PP
        GPIO_CR1_PP(p_chSrc->sampling);
        GPIO_CR1_PP(p_chSrc->channel);
        p_chSrc++;
      }
    }

  }
}

#else // STM8L10X

/**
  * @brief  Start acquisition
  * @param  None
  * @retval None
  */
void TSL_acq_BankStartAcq(void)
{
  CONST TSL_Bank_T *p_bank = &(TSL_Globals.Bank_Array[0]);
  CONST TSL_ChannelSrc_T *p_chSrc;
  TSL_tNb_T number_of_channels = 0;
  TSL_tIndex_T idx_bk;
  TSL_tIndex_T idx_ch;
  
  uint8_t old_status = 0;

  ChargeTransferCounter = 0;
  
#if (TSLPRM_IODEF > 0)
  //============================
  // All GPIOs in Input floating
  //============================
  for (idx_bk = 0; idx_bk < TSLPRM_TOTAL_BANKS; idx_bk++)
  {
    p_bank = &(TSL_Globals.Bank_Array[idx_bk]);
    p_chSrc = p_bank->p_chSrc;
  
#if (TSLPRM_USE_SHIELD > 0)
    // GPIO in floating mode
    GPIO_CR1_FLOATING(p_bank->shield_sampling);
    GPIO_CR1_FLOATING(p_bank->shield_channel);
    // GPIO in Input
    GPIO_DDR_IN(p_bank->shield_sampling);
    GPIO_DDR_IN(p_bank->shield_channel);
#endif

    number_of_channels = p_bank->NbChannels;

    for (idx_ch = 0;
         idx_ch < number_of_channels;
         idx_ch++)
    {
      // GPIO in floating mode
      GPIO_CR1_FLOATING(p_chSrc->sampling);
      GPIO_CR1_FLOATING(p_chSrc->channel);
      // GPIO in Input
      GPIO_DDR_IN(p_chSrc->sampling);
      GPIO_DDR_IN(p_chSrc->channel);

      p_chSrc++;
    }
  }
#endif // TSLPRM_IODEF

  // Test if this bank is not empty
  if (BankDone != 0)
  {

#ifdef TSLPRM_PROTECT_IO_ACCESS
    disableInterrupts();
#endif //TSLPRM_PROTECT_IO_ACCESS

    /* STEP1 : Discharging all capacitors
    ==> all IOs in open-drain LOW */
    GPIOB->ODR &= (uint8_t)(~(CurrentBank[0] | CurrentBank[1]));
    GPIOB->CR1 &= (uint8_t)(~(CurrentBank[0] | CurrentBank[1]));
    GPIOB->DDR |= (uint8_t)(CurrentBank[0] | CurrentBank[1]);
    GPIOD->ODR &= (uint8_t)(~(CurrentBank[2] | CurrentBank[3]));
    GPIOD->CR1 &= (uint8_t)(~(CurrentBank[2] | CurrentBank[3]));
    GPIOD->DDR |= (uint8_t)(CurrentBank[2] | CurrentBank[3]);
      
#ifdef TSLPRM_PROTECT_IO_ACCESS
    enableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS

    COMP->CCS &= (uint8_t)(~(CurrentSampling |CurrentChannel));

    /* STEP2: Waiting for complete discharge */
    SoftDelay(TSLPRM_DELAY_DISCHARGE_ALL);

#ifdef TSLPRM_PROTECT_IO_ACCESS
    disableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS

    // Dead Time
    GPIOB->DDR &= (uint8_t)(~(CurrentBank[0] | CurrentBank[1]));
    GPIOD->DDR &= (uint8_t)(~(CurrentBank[2] | CurrentBank[3]));
      
#ifdef TSLPRM_PROTECT_IO_ACCESS
    enableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS
      
    GPIOB->ODR |= (uint8_t)(CurrentBank[0]);
    GPIOD->ODR |= (uint8_t)(CurrentBank[2]);

    // Loop while all sampling have not reach the VIH level
    do
    {
     
#ifdef TSLPRM_PROTECT_IO_ACCESS
      disableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS

      /* STEP3: Charging C-Touch
      ==> Channels in Push-Pull HIGH
      ==> Sampling kept open */
      GPIOB->DDR |= (uint8_t)(CurrentBank[0]);
      GPIOB->CR1 |= (uint8_t)(CurrentBank[0]);
      GPIOD->DDR |= (uint8_t)(CurrentBank[2]);
      GPIOD->CR1 |= (uint8_t)(CurrentBank[2]);

#ifdef TSLPRM_PROTECT_IO_ACCESS
      enableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS

      /* STEP4 : Waiting for good chargement */
      __Delay_Charge();
    
#if (TSLPRM_USE_SPREAD_SPECTRUM > 0)
      SwSpreadSpectrum();
#endif

#ifdef TSLPRM_PROTECT_IO_ACCESS
      disableInterrupts();
#endif  // TSLPRM_PROTECT_IO_ACCESS

      // Dead Time
      GPIOB->CR1 &= (uint8_t)(~(CurrentBank[0]));
      GPIOB->DDR &= (uint8_t)(~(CurrentBank[0]));
      GPIOD->CR1 &= (uint8_t)(~(CurrentBank[2]));
      GPIOD->DDR &= (uint8_t)(~(CurrentBank[2]));

#ifdef TSLPRM_PROTECT_IO_ACCESS
      enableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS        

      /* STEP5: Transfering C-Touch charge in C-Sampling
      ==> Close IOs Switchs */
    
      // Close switch sampling
      COMP->CCS |= (uint8_t)CurrentSampling;
      COMP->CCS |= (uint8_t)CurrentChannel;

      /* STEP6: Waiting for good transfer */
      __Delay_Transfer();
      
      //Dead Time
      COMP->CCS &= (uint8_t)(~(CurrentChannel | CurrentSampling));

#ifdef TSLPRM_PROTECT_IO_ACCESS
      disableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS
    
      // Get the measurement of counter if the value of Input register change
      if ((*p_GPIOx_IDR & BankDone) != old_status)
      {
        GetCounter(p_GPIOx_IDR, &old_status);
      }

#ifdef TSLPRM_PROTECT_IO_ACCESS
      enableInterrupts();
#endif // TSLPRM_PROTECT_IO_ACCESS
        
      ChargeTransferCounter++;

    } while ((old_status != BankDone) && (ChargeTransferCounter != (TSL_Params.AcqMax+1)));

    // Get the value of counter if he reach the Max count
    if(ChargeTransferCounter == (TSL_Params.AcqMax+1))
    {
      GetCounter(&BankDone, &old_status);
    }

    //====================
    // All GPIOs in PP Low
    //====================
    for (idx_bk = 0; idx_bk < TSLPRM_TOTAL_BANKS;idx_bk++)
    {
      p_bank = &(TSL_Globals.Bank_Array[idx_bk]);
      p_chSrc = p_bank->p_chSrc;
  
#if (TSLPRM_USE_SHIELD > 0)
        // Output in Low level
        GPIO_ODR_LOW(p_bank->shield_sampling);
        GPIO_ODR_LOW(p_bank->shield_channel);
        // GPIO in Output
        GPIO_DDR_OUT(p_bank->shield_sampling);
        GPIO_DDR_OUT(p_bank->shield_channel);
        // GPIO in PP
        GPIO_CR1_PP(p_bank->shield_sampling);
        GPIO_CR1_PP(p_bank->shield_channel);
#endif // TSLPRM_USE_SHIELD
  
      number_of_channels = p_bank->NbChannels;
  
      for (idx_ch = 0;
           idx_ch < number_of_channels;
           idx_ch++)
      {
        // Output in Low level
        GPIO_ODR_LOW(p_chSrc->sampling);
        GPIO_ODR_LOW(p_chSrc->channel);
        // GPIO in Output
        GPIO_DDR_OUT(p_chSrc->sampling);
        GPIO_DDR_OUT(p_chSrc->channel);
        // GPIO in PP
        GPIO_CR1_PP(p_chSrc->sampling);
        GPIO_CR1_PP(p_chSrc->channel);
        p_chSrc++;
      }
    }

  }
}

#endif


/**
  * @brief  Do the measurement
  * @param  *p_reg Pointer to the Input register
  * @param  *p_old_status Pointer to the previous status value
  * @retval None
  */

void GetCounter(__IO uint8_t *p_reg, uint8_t *p_old_status)
{

  uint8_t new_status = 0;
  uint8_t idx_i = 0;
  uint8_t mask_i = 1;
#if defined(STM8L10X)
  uint8_t idx_j = 4;
  uint8_t idx_group = 0;
#else
  uint8_t idx_j = 8;
#endif // defined(STM8L10X)
  
  new_status = *p_reg;
  new_status =  (uint8_t)(new_status & BankDone & (~(*p_old_status)));
  
  while ((new_status != 0) && (idx_i < idx_j))
  {
    if ((new_status & mask_i) != 0)
    {  
#if defined(STM8L10X)    
      tab_MeasurementCounter[idx_group]= ChargeTransferCounter;
#else
      tab_MeasurementCounter[idx_i] = ChargeTransferCounter;
#endif // defined(STM8L10X)
      *p_old_status |= mask_i;
      new_status &= (uint8_t)(~mask_i);
    }
    idx_i++;
    mask_i <<= 1;
#if defined(STM8L10X)
    if (idx_i > 1)
    {
      idx_group = 1;
    }
#endif // defined(STM8L10X)
  }
}


/**
  * @brief Wait end of acquisition
  * @param None
  * @retval status
  */
TSL_Status_enum_T TSL_acq_BankWaitEOC(void)
{
  return TSL_STATUS_OK;
}


/**
  * @brief Return the current measure
  * @param[in] index Index of the measure source
  * @retval Measure
  */
TSL_tMeas_T TSL_acq_GetMeas(TSL_tIndex_T index)
{
  return(tab_MeasurementCounter[index]);
}


/**
  * @brief  Check noise (not used)
  * @param  None
  * @retval Status
  */
TSL_AcqStatus_enum_T TSL_acq_CheckNoise(void)
{
  return TSL_ACQ_STATUS_OK;
}


/**
  * @brief Check if a filter must be used on the current channel (not used)
  * @param[in] pCh Pointer on the channel data information
  * @retval Result TRUE if a filter can be applied
  */
TSL_Bool_enum_T TSL_acq_UseFilter(TSL_ChannelData_T *pCh)
{
  return TSL_TRUE;
}


/**
  * @brief Compute the Delta value
  * @param[in] ref Reference value
  * @param[in] meas Last Measurement value
  * @retval Delta value
  */
TSL_tDelta_T TSL_acq_ComputeDelta(TSL_tRef_T ref, TSL_tMeas_T meas)
{
  return((TSL_tDelta_T)(ref - meas));
}


/**
  * @brief Compute the Measurement value
  * @param[in] ref Reference value
  * @param[in] delta Delta value
  * @retval Measurement value
  */
TSL_tMeas_T TSL_acq_ComputeMeas(TSL_tRef_T ref, TSL_tDelta_T delta)
{
  return((TSL_tMeas_T)(ref - delta));
}


/**
  * @brief Test if the Reference is incorrect (not used)
  * @param[in] pCh Pointer on the channel data information
  * @retval Result TRUE if the Reference is out of range
  */
TSL_Bool_enum_T TSL_acq_TestReferenceOutOfRange(TSL_ChannelData_T *pCh)
{
  return TSL_FALSE;
}


/**
  * @brief Test if the measure has crossed the reference target (not used)
  * @param[in] pCh Pointer on the channel data information
  * @param[in] new_meas Measure of the last acquisition on this channel
  * @retval Result TRUE if the Reference is valid
  */
TSL_Bool_enum_T TSL_acq_TestFirstReferenceIsValid(TSL_ChannelData_T *pCh, TSL_tMeas_T new_meas)
{
  return TSL_TRUE;
}


#if defined(__ICCSTM8__)
#pragma optimize=low
#endif
/**
  * @brief  Software delay (private routine)
  * @param  val Wait delay
  * @retval None
  */
void SoftDelay(uint16_t val)
{
  uint16_t idx;
  for (idx = val; idx > 0; idx--)
  {
    nop();
  }
}

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