Add ADC_MUX module to read the mid tank pressure sensor

2 files changed, 153 insertions, 0 deletions

diff --git a/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/ADC_MUX/ADC_MUX.c b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/ADC_MUX/ADC_MUX.c
new file mode 100644
index 000000000..87e41726f
--- /dev/null
+++ b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/ADC_MUX/ADC_MUX.c
@@ -0,0 +1,137 @@
+/*
+ * ADC_MUX.c
+ *
+ *  Created on: Aug 12, 2018
+ *      Author: avi
+ *
+ *      Mid tank pressure sensor. Bosch 02612300215
+ */
+#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 "ADC_MUX.h"
+
+double MidTank_Pressure[8];
+
+uint32_t I2C_ADC_Config(uint32_t I2C_Slave_Add,uint32_t channel )
+{
+    uint32_t Status = OK;
+
+    uint8_t Config_Buf[3];
+
+    Config_Buf[0] = 0x00;
+    Config_Buf[1] = channel;
+    Config_Buf[2] = 0x80;
+
+    Status = I2C_Write(MUX_I2C_BASE, I2C_Slave_Add, Config_Buf, 3);
+
+    return Status;
+}
+
+uint32_t I2C_ADC_Set_For_Read_Ch(uint32_t I2C_Slave_Add )
+{
+    uint32_t Status = OK;
+
+    uint8_t SetRead = 0x02;
+
+    Status = I2C_Write(MUX_I2C_BASE, SetRead, SetRead, 1);
+
+    return Status;
+}
+
+
+uint32_t I2C_ADC_Read_Ch(uint32_t I2C_Slave_Add )
+{
+    uint32_t VsampleInBits = 0,temp;
+
+    uint8_t No_BytesToRead = 2;
+
+    uint8_t I2C_Read_buf[2] = {0,0};
+
+    I2C_Read(MUX_I2C_BASE, I2C_Slave_Add, *I2C_Read_buf,  No_BytesToRead );
+
+    temp = (I2C_Read_buf[0] << 8) | I2C_Read_buf[1];
+
+    VsampleInBits=temp & 0x0fff;
+
+    return VsampleInBits;
+}
+
+uint32_t  Calculate_Pressure(uint32_t VsampleInBits )
+{
+    double Pressure = 0;
+
+
+
+
+    return Pressure;
+}
+
+uint32_t Read_MidTank_Pressure_Sensor(uint32_t MidTank_ID)
+{
+    uint32_t Status = OK;
+    uint32_t I2C_Slave_Add;
+    uint32_t Channel;
+    uint32_t VsampleInBits;
+
+    switch(MidTank_ID)
+    {
+        case 1:
+                I2C_Slave_Add = 0x44;
+                Channel = 0x20;
+            break;
+        case 2:
+                I2C_Slave_Add = 0x44;
+                Channel = 0x08;
+            break;
+        case 3:
+                I2C_Slave_Add = 0x46;
+                Channel = 0x80;
+            break;
+        case 4:
+                I2C_Slave_Add = 0x46;
+                Channel = 0x20;
+            break;
+        case 5:
+                I2C_Slave_Add = 0x44;
+                Channel = 0x10;
+            break;
+        case 6:
+                I2C_Slave_Add = 0x44;
+                Channel = 0x04;
+            break;
+        case 7:
+                I2C_Slave_Add = 0x46;
+                Channel = 0x40;
+            break;
+        case 8:
+                I2C_Slave_Add = 0x46;
+                Channel = 0x10;
+            break;
+        default:
+            break;
+    }
+
+    Status = I2C_ADC_Config(I2C_Slave_Add, Channel);
+    Status = I2C_ADC_Set_For_Read_Ch(I2C_Slave_Add);
+    VsampleInBits = I2C_ADC_Read_Ch(I2C_Slave_Add);
+
+    MidTank_Pressure[MidTank_ID -1] = Calculate_Pressure(VsampleInBits);
+
+   return Status;
+}
+
+
+
diff --git a/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/ADC_MUX/ADC_MUX.h b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/ADC_MUX/ADC_MUX.h
new file mode 100644
index 000000000..8852eef41
--- /dev/null
+++ b/Software/Embedded_SW/Embedded/Drivers/I2C_Communication/ADC_MUX/ADC_MUX.h
@@ -0,0 +1,16 @@
+/*
+ * ADC_MUX.h
+ *
+ *  Created on: Aug 12, 2018
+ *      Author: avi
+ */
+
+#ifndef DRIVERS_I2C_COMMUNICATION_ADC_MUX_ADC_MUX_H_
+#define DRIVERS_I2C_COMMUNICATION_ADC_MUX_ADC_MUX_H_
+
+
+uint32_t Read_MidTank_Pressure_Sensor(uint32_t MidTank_ID);
+
+#define MUX_I2C_BASE 2
+
+#endif /* DRIVERS_I2C_COMMUNICATION_ADC_MUX_ADC_MUX_H_ */