initial check in based on SVN revision 575

source/spi.h

@@ -0,0 +1,56 @@
+/*
+ * spi.h
+ *
+ *  Created on: May 27, 2022
+ *      Author: Keith.Lloyd
+ */
+
+#ifndef SPI_H_
+#define SPI_H_
+#include <stdbool.h>
+#include <stdint.h>
+
+
+#define SPI_XFER_BUFFER_SIZE (128)
+
+
+
+#define	PORT0		0
+#define PORT1		1
+#define SIGNAL_PORT			PORT1
+
+#define SIG_CS_GPIO_PIN 	9
+#define SIG_RST_GPIO_PIN	12
+#define	SD_CS_GPIO_PIN 		10
+#define SD_RST_GPIO_PIN		13
+#define	RAMP_CS_GPIO_PIN 	11
+#define RAMP_RST_GPIO_PIN	14
+#define	POT_CS_GPIO_PIN 	7
+//#define	PORT_LE_CS_GPIO_PIN 5 // 208002
+#define	PORT_LE_CS_GPIO_PIN 19 // 208004
+
+#define	EEP_CS_GPIO_PIN 	10
+#define	POT_CS2_GPIO_PIN 	21
+#define CS_LOW				0
+#define CS_HIGH				1
+
+
+typedef enum {
+	SIGNAL,
+	SDSIGNAL,
+	RAMP,
+	AMPLITUDE,
+	EXPANDER,
+	E2PROM,
+	PSU_VCTRL,
+	BOTH_SIGNAL
+} SPI_MODE_t;
+
+void SPI_Init(void);
+void SPI3_Test(void);
+void SPI0_SendBytes(uint8_t *sendData, uint16_t numBytes, SPI_MODE_t destination);
+void SPI0_SendPotData(uint16_t *sendData, uint16_t numWords, SPI_MODE_t destination);
+void SPI3_SendBytes(uint8_t *sendData, uint16_t numBytes);
+void SPI0_Chip_Select(uint8_t state, SPI_MODE_t destination);
+void SPI0_SetupForDDS(uint32_t onOff, SPI_MODE_t destination);
+#endif /* SPI_H_ */