Added BK1080 initialisation.

Makefile

@@ -17,6 +17,7 @@ OBJS += $(BLOB_OVERLAY).o
 
 # Drivers
 OBJS += driver/adc.o
+OBJS += driver/bk1080.o
 OBJS += driver/crc.o
 OBJS += driver/eeprom.o
 OBJS += driver/flash.o

board.c

@@ -21,6 +21,7 @@
 #include "bsp/dp32g030/saradc.h"
 #include "bsp/dp32g030/syscon.h"
 #include "driver/adc.h"
+#include "driver/bk1080.h"
 #include "driver/crc.h"
 #include "driver/flash.h"
 #include "driver/gpio.h"
@@ -315,7 +316,7 @@ void BOARD_Init(void)
 	BOARD_GPIO_Init();
 	BOARD_ADC_Init();
 	ST7565_Init();
-	//BK1080_Init(0, false);
+	BK1080_Init(0, false);
 	CRC_Init();
 }
 

driver/bk1080-regs.h

@@ -0,0 +1,15 @@
+#ifndef BK1080_REGS_H
+#define BK1080_REGS_H
+
+enum BK1080_REGISTER_t {
+	REG_00                       = 0x00U,
+	REG_02_POWER_CONFIGURATION   = 0x02U,
+	REG_03_CHANNEL               = 0x03U,
+	REG_05_SYSTEM_CONFIGURATION2 = 0x03U,
+	REG_25_INTERNAL              = 0x25U,
+};
+
+typedef enum BK1080_REGISTER_t BK1080_REGISTER_t;
+
+#endif
+

driver/bk1080.c

@@ -0,0 +1,60 @@
+#include "bsp/dp32g030/gpio.h"
+#include "bk1080.h"
+#include "driver/gpio.h"
+#include "driver/i2c.h"
+#include "driver/system.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+static const uint16_t BK1080_RegisterTable[] = {
+	0x0008, 0x1080, 0x0201, 0x0000,
+	0x40C0, 0x0A1F, 0x002E, 0x02FF,
+	0x5B11, 0x0000, 0x411E, 0x0000,
+	0xCE00, 0x0000, 0x0000, 0x1000,
+	0x3197, 0x0000, 0x13FF, 0x9852,
+	0x0000, 0x0000, 0x0008, 0x0000,
+	0x51E1, 0xA8BC, 0x2645, 0x00E4,
+	0x1CD8, 0x3A50, 0xEAE0, 0x3000,
+	0x0200, 0x0000,
+};
+
+static bool gIsInitBK1080;
+
+void BK1080_Init(uint16_t Channel, bool bDoScan)
+{
+	uint8_t i;
+
+	if (bDoScan) {
+		GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BK1080);
+
+		if (!gIsInitBK1080) {
+			for (i = 0; i < ARRAY_SIZE(BK1080_RegisterTable); i++) {
+				BK1080_WriteRegister(i, BK1080_RegisterTable[i]);
+			}
+			SYSTEM_DelayMs(250);
+			BK1080_WriteRegister(REG_25_INTERNAL, 0xA83C);
+			BK1080_WriteRegister(REG_25_INTERNAL, 0xA8BC);
+			SYSTEM_DelayMs(60);
+			gIsInitBK1080 = true;
+		} else {
+			BK1080_WriteRegister(REG_02_POWER_CONFIGURATION, 0x0201);
+		}
+		BK1080_WriteRegister(REG_05_SYSTEM_CONFIGURATION2, 0x0A5F);
+		BK1080_WriteRegister(REG_03_CHANNEL, Channel - 760);
+		SYSTEM_DelayMs(10);
+		BK1080_WriteRegister(REG_03_CHANNEL, (Channel - 760) | 0x8000);
+	} else {
+		BK1080_WriteRegister(REG_02_POWER_CONFIGURATION, 0x0241);
+		GPIO_SetBit(&GPIOB->DATA, GPIOB_PIN_BK1080);
+	}
+}
+
+void BK1080_WriteRegister(BK1080_REGISTER_t Register, uint16_t Value)
+{
+	I2C_Start();
+	I2C_Write(0x80);
+	I2C_Write(Register << 1);
+	I2C_WriteBuffer(&Value, sizeof(Value));
+	I2C_Stop();
+}
+

driver/bk1080.h

@@ -0,0 +1,12 @@
+#ifndef DRIVER_BK1080_H
+#define DRIVER_BK1080_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "driver/bk1080-regs.h"
+
+void BK1080_Init(uint16_t Frequency, bool bDoScan);
+void BK1080_WriteRegister(BK1080_REGISTER_t Register, uint16_t Value);
+
+#endif
+

driver/gpio.h

@@ -24,6 +24,10 @@ enum GPIOA_PINS {
 	GPIOA_PIN_I2C_SDA = 11,
 };
 
+enum GPIOB_PINS {
+	GPIOB_PIN_BK1080 = 15,
+};
+
 enum GPIOC_PINS {
 	GPIOC_PIN_BK4819_0 = 0,
 	GPIOC_PIN_BK4819_1 = 1,