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Diffstat (limited to 'stm-init.c')
-rw-r--r--stm-init.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/stm-init.c b/stm-init.c
index af3d47b..ab1905b 100644
--- a/stm-init.c
+++ b/stm-init.c
@@ -47,6 +47,9 @@
#ifdef HAL_I2C_MODULE_ENABLED
#include "stm-rtc.h"
#endif
+#ifdef HAL_SPI_MODULE_ENABLED
+#include "stm-fpgacfg.h"
+#endif
/* Private variables ---------------------------------------------------------*/
@@ -61,6 +64,9 @@ static void MX_USART2_UART_Init(void);
#ifdef HAL_I2C_MODULE_ENABLED
static void MX_I2C2_Init(void);
#endif
+#ifdef HAL_SPI_MODULE_ENABLED
+static void MX_SPI2_Init(void);
+#endif
void stm_init(void)
{
@@ -83,6 +89,9 @@ void stm_init(void)
#ifdef HAL_I2C_MODULE_ENABLED
MX_I2C2_Init();
#endif
+#ifdef HAL_SPI_MODULE_ENABLED
+ MX_SPI2_Init();
+#endif
}
@@ -144,6 +153,44 @@ static void MX_GPIO_Init(void)
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
+
+
+
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ /* Set up GPIOs to manage access to the FPGA config memory. */
+
+ /* GPIO Ports Clock Enable */
+ __HAL_RCC_GPIOI_CLK_ENABLE();
+ __HAL_RCC_GPIOF_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(PROM_FPGA_DIS_GPIO_Port, PROM_FPGA_DIS_Pin, GPIO_PIN_RESET);
+ HAL_GPIO_WritePin(PROM_ARM_ENA_GPIO_Port, PROM_ARM_ENA_Pin, GPIO_PIN_RESET);
+ HAL_GPIO_WritePin(PROM_CS_N_GPIO_Port, PROM_CS_N_Pin, GPIO_PIN_SET); // active-low!!!
+
+ /*Configure GPIO pin : PROM_FPGA_DIS */
+ GPIO_InitStruct.Pin = PROM_FPGA_DIS_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(PROM_FPGA_DIS_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : PROM_ARM_ENA */
+ GPIO_InitStruct.Pin = PROM_ARM_ENA_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(PROM_ARM_ENA_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : PROM_CS_N */
+ GPIO_InitStruct.Pin = PROM_CS_N_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(PROM_CS_N_GPIO_Port, &GPIO_InitStruct);
+#endif /* HAL_SPI_MODULE_ENABLED */
}
#endif
@@ -167,6 +214,26 @@ void MX_I2C2_Init(void)
}
#endif
+#ifdef HAL_SPI_MODULE_ENABLED
+/* SPI2 (FPGA config memory) init function */
+void MX_SPI2_Init(void)
+{
+ hspi_fpgacfg.Instance = SPI2;
+ hspi_fpgacfg.Init.Mode = SPI_MODE_MASTER;
+ hspi_fpgacfg.Init.Direction = SPI_DIRECTION_2LINES;
+ hspi_fpgacfg.Init.DataSize = SPI_DATASIZE_8BIT;
+ hspi_fpgacfg.Init.CLKPolarity = SPI_POLARITY_LOW;
+ hspi_fpgacfg.Init.CLKPhase = SPI_PHASE_1EDGE;
+ hspi_fpgacfg.Init.NSS = SPI_NSS_SOFT;
+ hspi_fpgacfg.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
+ hspi_fpgacfg.Init.FirstBit = SPI_FIRSTBIT_MSB;
+ hspi_fpgacfg.Init.TIMode = SPI_TIMODE_DISABLE;
+ hspi_fpgacfg.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
+ hspi_fpgacfg.Init.CRCPolynomial = 10;
+ HAL_SPI_Init(&hspi_fpgacfg);
+}
+#endif /* HAL_SPI_MODULE_ENABLED */
+
/**
* @brief This function is executed in case of error occurrence.
* @param None