/**
* @brief This function is used for low level initialization of the SPI
* communication with the BlueNRG Expansion Board.
* @param Pointer to the handle of the STM32Cube HAL SPI interface.
* @retval None
*/
void HAL_SPI_MspInit(SPI_HandleTypeDef * hspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if (hspi->Instance == BNRG_SPI_INSTANCE) {
/* Enable peripherals clock */
/* Enable GPIO Ports Clock */
BNRG_SPI_RESET_CLK_ENABLE();
BNRG_SPI_SCLK_CLK_ENABLE();
BNRG_SPI_MISO_CLK_ENABLE();
BNRG_SPI_MOSI_CLK_ENABLE();
BNRG_SPI_CS_CLK_ENABLE();
BNRG_SPI_IRQ_CLK_ENABLE();
/* Enable SPI clock */
BNRG_SPI_CLK_ENABLE();
/* Reset */
GPIO_InitStruct.Pin = BNRG_SPI_RESET_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_RESET_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_RESET_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_RESET_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_RESET_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_RESET_PORT, &GPIO_InitStruct);
HAL_GPIO_WritePin(BNRG_SPI_RESET_PORT, BNRG_SPI_RESET_PIN, GPIO_PIN_RESET); /*Added to avoid spurious interrupt from the BlueNRG */
/* SCLK */
GPIO_InitStruct.Pin = BNRG_SPI_SCLK_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_SCLK_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_SCLK_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_SCLK_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_SCLK_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_SCLK_PORT, &GPIO_InitStruct);
/* MISO */
GPIO_InitStruct.Pin = BNRG_SPI_MISO_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_MISO_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_MISO_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_MISO_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_MISO_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_MISO_PORT, &GPIO_InitStruct);
/* MOSI */
GPIO_InitStruct.Pin = BNRG_SPI_MOSI_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_MOSI_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_MOSI_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_MOSI_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_MOSI_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_MOSI_PORT, &GPIO_InitStruct);
/* NSS/CSN/CS */
GPIO_InitStruct.Pin = BNRG_SPI_CS_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_CS_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_CS_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_CS_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_CS_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_CS_PORT, &GPIO_InitStruct);
HAL_GPIO_WritePin(BNRG_SPI_CS_PORT, BNRG_SPI_CS_PIN,
GPIO_PIN_SET);
/* IRQ -- INPUT */
GPIO_InitStruct.Pin = BNRG_SPI_IRQ_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_IRQ_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_IRQ_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_IRQ_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_IRQ_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_IRQ_PORT, &GPIO_InitStruct);
/* Configure the NVIC for SPI */
HAL_NVIC_SetPriority(BNRG_SPI_EXTI_IRQn, 4, 0);
HAL_NVIC_EnableIRQ(BNRG_SPI_EXTI_IRQn);
}
}
/**************************************************************************
* BlueNRG_GPIO_Init
*
* @brief This function is used for low level initialization of the SPI
* communication support with the BlueNRG Expansion Board.
*
* @param Pointer to the handle of the STM32Cube HAL SPI interface.
* @retval None
*************************************************************************/
void BlueNRG_GPIO_Init (SPI_HandleTypeDef* hspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
// 09/13/15 ---- NO ONE CALLS THIS LOGIC ANYMORE !!! ----
// is now handled in mnet_connect_network()
//---------------------------------------------------
// Configure GPIOs for control of BLE NRG module
//---------------------------------------------------
//---------------------------------------------------
// Configure RESET pin: PA8 - Arduino D7 on Nucleo.
//---------------------------------------------------
pin_Config (BLE_BLUENRG_RESET, GPIO_OUTPUT, PIN_USE_PULLUP);
pin_Low (BLE_BLUENRG_RESET); // and set it LOW, to prevent spurius interrupts during config
//-------------------------------------------------------------------
// Configure SPI CS pin: PA1 - Arduino A1 on Nucleo.
//
// Rest of SPI pins will be auto-configured on spi_Init call (below)
//-------------------------------------------------------------------
pin_Config (BLE_BLUENRG_SPI_CS, GPIO_OUTPUT, PIN_USE_PULLUP);
pin_High (BLE_BLUENRG_SPI_CS); // and set it HIGH, to De-Assert CS during config
//---------------------------------------------------
// Configure IRQ pin: PA0 - Arduino A0 on Nucleo
//---------------------------------------------------
pin_Config_IRQ_Pin (BLE_BLUENRG_IRQ_PIN, GPIO_RUPT_MODE_RISING, 0, BLE_BLUENRG_IRQn, 4);
// and setup associated NVIC EXTI entries
HAL_NVIC_SetPriority (BLE_BLUENRG_IRQn, 4, 0);
HAL_NVIC_EnableIRQ (BLE_BLUENRG_IRQn);
#if WVD_SHUTOFF // 06/20/15 - debug L0 issues
if (hspi->Instance == BNRG_SPI_INSTANCE) // 0620/15 - L0 is skipping this ==> wrong instance ???
{
/* Enable GPIO Ports Clock */
BNRG_SPI_RESET_CLK_ENABLE();
BNRG_SPI_SCLK_CLK_ENABLE();
BNRG_SPI_MISO_CLK_ENABLE();
BNRG_SPI_MOSI_CLK_ENABLE();
BNRG_SPI_CS_CLK_ENABLE();
BNRG_SPI_IRQ_CLK_ENABLE();
/* Enable SPI clock */
BNRG_SPI_CLK_ENABLE();
/* Reset */
GPIO_InitStruct.Pin = BNRG_SPI_RESET_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_RESET_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_RESET_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_RESET_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_RESET_ALTERNATE;
HAL_GPIO_Init (BNRG_SPI_RESET_PORT, &GPIO_InitStruct);
HAL_GPIO_WritePin (BNRG_SPI_RESET_PORT, BNRG_SPI_RESET_PIN, GPIO_PIN_RESET); // force RESET
/* Added to avoid spurious interrupt from the BlueNRG */
#endif
/* SCLK */
GPIO_InitStruct.Pin = BNRG_SPI_SCLK_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_SCLK_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_SCLK_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_SCLK_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_SCLK_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_SCLK_PORT, &GPIO_InitStruct);
/* MISO */
GPIO_InitStruct.Pin = BNRG_SPI_MISO_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_MISO_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_MISO_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_MISO_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_MISO_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_MISO_PORT, &GPIO_InitStruct);
/* MOSI */
GPIO_InitStruct.Pin = BNRG_SPI_MOSI_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_MOSI_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_MOSI_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_MOSI_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_MOSI_ALTERNATE;
HAL_GPIO_Init(BNRG_SPI_MOSI_PORT, &GPIO_InitStruct);
#if WVD_SHUTOFF // 06/20/15 - debug L0 issues
/* NSS/CSN/CS */
GPIO_InitStruct.Pin = BNRG_SPI_CS_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_CS_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_CS_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_CS_SPEED;
GPIO_InitStruct.Alternate = BNRG_SPI_CS_ALTERNATE;
HAL_GPIO_Init (BNRG_SPI_CS_PORT, &GPIO_InitStruct);
HAL_GPIO_WritePin (BNRG_SPI_CS_PORT, BNRG_SPI_CS_PIN, GPIO_PIN_SET); // De-Assert BLE CS
/* IRQ -- INPUT */
GPIO_InitStruct.Pin = BNRG_SPI_IRQ_PIN;
GPIO_InitStruct.Mode = BNRG_SPI_IRQ_MODE;
GPIO_InitStruct.Pull = BNRG_SPI_IRQ_PULL;
GPIO_InitStruct.Speed = BNRG_SPI_IRQ_SPEED;
#if defined(STM32F103xB)
#else
GPIO_InitStruct.Alternate = BNRG_SPI_IRQ_ALTERNATE;
#endif
HAL_GPIO_Init (BNRG_SPI_IRQ_PORT, &GPIO_InitStruct);
#if L0_TESTING_MOVED // 06/20/15
/* Configure the NVIC for SPI */
HAL_NVIC_SetPriority (BNRG_SPI_EXTI_IRQn, 4, 0);
HAL_NVIC_EnableIRQ (BNRG_SPI_EXTI_IRQn);
#endif
}
#endif // WVD_SHUTOFF
}