Merge branch 'master' of https://twinetfs.visualstudio.com/_git/Tango

3 files changed, 219 insertions, 1 deletions

diff --git a/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/DAC/Blower.c b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/DAC/Blower.c
new file mode 100644
index 000000000..085e09b6d
--- /dev/null
+++ b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/DAC/Blower.c
@@ -0,0 +1,156 @@
+/*
+ * Blower.c
+ *
+ *  Created on: Aug 1, 2018
+ *      Author: avi
+ *
+ *      AD5691R
+ *      support standard (100 kHz) and fast (400 kHz) data transfer modes
+ *      I2C 12 bits DAC chip U207
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#include "include.h"
+#include "inc/hw_memmap.h"
+#include "inc/hw_types.h"
+#include "inc/tm4c1294ncpdt.h"
+#include "driverlib/gpio.h"
+#include "driverlib/pin_map.h"
+#include "driverlib/rom.h"
+#include "driverlib/rom_map.h"
+#include "driverlib/sysctl.h"
+#include "driverlib/i2c.h"
+#include "Drivers/I2C_Communication/I2C_Switch/I2C_Swith.h"
+#include "drivers/I2C_Communication/I2C.h"
+#include "Blower.h"
+
+DAC_Union DAC;
+
+uint32_t Write_Control_Register()
+{
+    uint32_t status = OK;
+
+    DAC.Bytes.Command   = AD5691R_CMD_WRITE_CONTROL_REG;
+    DAC.Bytes.Data_High = AD5691R_Control_Normal_Mode | AD5691R_Control_Reference_Enabled | AD5691R_Control_Gain_0V_VREF;
+    DAC.Bytes.Data_Low  = AD5691R_DONT_CARE_DATA_BYTE;
+
+    status = I2C_Write(2, I2C_DAC_ADDRESS, DAC.Write_DAC_I2C_Buf, 3);
+
+    return status;
+}
+
+uint32_t Write_DAC_and_Input_Register(uint32_t Bits)
+{
+    uint32_t status = OK;
+
+    DAC.Bytes.Command   = AD5691R_CMD_WRITE_INPUT_N_UPDATE_REG;
+
+    DAC.Bytes.Data_High = Bits;
+
+    DAC.Bytes.Data_Low  = AD5691R_DONT_CARE_DATA_BYTE;
+
+    status = I2C_Write(DAC_I2C_BASE, I2C_DAC_ADDRESS, DAC.Write_DAC_I2C_Buf, 3);
+
+    return status;
+}
+
+uint32_t Write_Input_Register()
+{
+    uint32_t status = OK;
+
+    DAC.Bytes.Command   = AD5691R_CMD_WRITE_INPUT_REG;
+    DAC.Bytes.Data_High = 0xFF;
+    DAC.Bytes.Data_Low  = AD5691R_DONT_CARE_DATA_BYTE;
+
+    status = I2C_Write(DAC_I2C_BASE, I2C_DAC_ADDRESS, DAC.Write_DAC_I2C_Buf, 3);
+
+    return status;
+}
+
+uint32_t Update_DAC_register()
+{
+    uint32_t status = OK;
+
+    DAC.Bytes.Command   = AD5691R_CMD_UPDATE_DAC_REG;
+    DAC.Bytes.Data_High = AD5691R_DONT_CARE_DATA_BYTE;
+    DAC.Bytes.Data_Low  = AD5691R_DONT_CARE_DATA_BYTE;
+
+    status = I2C_Write(DAC_I2C_BASE, I2C_DAC_ADDRESS, DAC.Write_DAC_I2C_Buf, 3);
+
+    return status;
+}
+
+uint32_t Write_NOP()
+{
+    uint32_t status = OK;
+
+    DAC.Bytes.Command   = AD5691R_CMD_NOOP;
+    DAC.Bytes.Data_High = AD5691R_DONT_CARE_DATA_BYTE;
+    DAC.Bytes.Data_Low  = AD5691R_DONT_CARE_DATA_BYTE;
+
+    status = I2C_Write(DAC_I2C_BASE, I2C_DAC_ADDRESS, DAC.Write_DAC_I2C_Buf, 3);
+
+    return status;
+}
+
+
+uint8_t DAC_mV2Bits(VoutmV) // 0-8V
+{
+    //based on the function from acording to the shceme : VOUT=VIN+(VIN-0.2)*(9.76/4.12) - Vin 0-2.5V Vout 0-8V
+    //=> Vin = (Vout + 0.4737)/3.3689
+    //Vin is the VAmpin (VDACout)
+    uint8_t Bits;
+    uint32_t temp;
+
+    if(VoutmV > 8000)
+        VoutmV = 8000;// 8V is the output for 0xFF (2.5V after Amp. we get 8V)
+
+    temp = VoutmV + 473;// Vamp - Vampin
+
+    temp =   temp * 0xFF;//Vampin(=VDACout) -> bits)
+    temp/=3368;// Vamp - Vampin
+    temp/=2.5;//Vampin(=VDACout) -> bits)
+
+    Bits = temp & 0xFF;//8bit
+
+    return Bits;
+}
+
+//------------------------------------------------------------------------------------------------------------
+
+
+uint32_t Turn_the_Blower_On()
+{
+    uint32_t status = OK;
+
+    status = Write_Control_Register();
+
+    status |= Write_DAC_and_Input_Register(DAC_mV2Bits(Default_Voltage));
+
+    return status;
+}
+
+uint32_t Control_Voltage_To_Blower(uint32_t mV)
+{
+    uint32_t status = OK;
+
+    status |= Write_DAC_and_Input_Register(DAC_mV2Bits(mV));
+
+    return status;
+}
+
+uint32_t Turn_the_Blower_Off()
+{
+    uint32_t status = OK;
+
+    status |= Write_DAC_and_Input_Register(0);
+
+    return status;
+}
+
+
+
+
+
+
+
diff --git a/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/DAC/Blower.h b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/DAC/Blower.h
new file mode 100644
index 000000000..febaa6a4b
--- /dev/null
+++ b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/DAC/Blower.h
@@ -0,0 +1,56 @@
+/*
+ * Blower.h
+ *
+ *  Created on: Aug 1, 2018
+ *      Author: avi
+ */
+
+#ifndef DRIVERS_I2C_COMMUNICATION_DAC_BLOWER_H_
+#define DRIVERS_I2C_COMMUNICATION_DAC_BLOWER_H_
+
+uint32_t Turn_the_Blower_On();
+uint32_t Control_Voltage_To_Blower(uint32_t mV);
+uint32_t Turn_the_Blower_Off();
+
+
+#define I2C_DAC_ADDRESS 0x98
+
+//Command Byte
+#define AD5691R_CMD_NOOP                       0x00
+#define AD5691R_CMD_WRITE_INPUT_REG            0x10
+#define AD5691R_CMD_UPDATE_DAC_REG             0x20
+#define AD5691R_CMD_WRITE_INPUT_N_UPDATE_REG   0x30
+#define AD5691R_CMD_WRITE_CONTROL_REG          0x40
+
+#define AD5691R_DONT_CARE_DATA_BYTE            0x00
+
+#define Default_Voltage 2800 //3.058V the output voltage is 2.8V
+
+#define DAC_I2C_BASE 2
+
+typedef union
+{
+    struct
+    {
+        uint8_t Command;
+        uint8_t Data_High;
+        uint8_t Data_Low;
+    }Bytes;
+    uint8_t Write_DAC_I2C_Buf[3];
+}DAC_Union;
+
+
+
+//AD5691R Control Data High Byte
+#define AD5691R_Control_Reset                  0x80
+#define AD5691R_Control_Normal_Mode            0x00
+#define AD5691R_Control_Power_Down_1K          0x20
+#define AD5691R_Control_Power_Down_100K        0x40
+#define AD5691R_Control_Power_Down_Three_State 0x60
+#define AD5691R_Control_Reference_Enabled      0x00
+#define AD5691R_Control_Reference_Disabled     0x10
+#define AD5691R_Control_Gain_0V_VREF           0x00
+#define AD5691R_Control_Gain_0V_2VREF          0x08
+#endif /* DRIVERS_I2C_COMMUNICATION_DAC_BLOWER_H_ */
+
+
diff --git a/Software/Embedded_SW/Embedded/Main.c b/Software/Embedded_SW/Embedded/Main.c
index 1c4d3b409..e6a39721a 100644
--- a/Software/Embedded_SW/Embedded/Main.c
+++ b/Software/Embedded_SW/Embedded/Main.c
@@ -56,7 +56,7 @@ extern Semaphore_Handle sdCardSem;
 
 #include "drivers/FPGA/FPGA_GPIO/FPGA_GPIO.h"
 
-
+#include "drivers/I2C_Communication/DAC/Blower.h"
 
 //#define WATCHDOG
 //*****************************************************************************
@@ -187,8 +187,14 @@ int main(void)
 
 
     //Test_Write_Flash_Buf();
+
+
+	//Write_DAC_and_Input_Register();
     //-----------------------------------------------------------
 #ifndef EVALUATION_BOARD
+
+	Turn_the_Blower_On();
+
 	DeActivateAllSSR();
 
 	ActivateChiller();//SSR12