First commit of the codebase

abhijith95 · Oct 1, 2024 · 74ddf21 · 74ddf21
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diff --git a/.gitignore b/.gitignore
@@ -0,0  1,2 @@
 vsCode_workspace.code-workspace
 out/
diff --git a/docs/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061A.pdf b/docs/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061A.pdf
diff --git a/docs/Arduino uno R3 datasheet.pdf b/docs/Arduino uno R3 datasheet.pdf
diff --git a/...O’Reilly Media -- 9781098151546 -- a1be7e718d80a4cee110f5b36104ce4a -- Anna’s Archive.pdf b/...O’Reilly Media -- 9781098151546 -- a1be7e718d80a4cee110f5b36104ce4a -- Anna’s Archive.pdf
diff --git a/docs/avrdude.pdf b/docs/avrdude.pdf
diff --git a/src/appl/blinkLed.c b/src/appl/blinkLed.c
@@ -0,0  1,16 @@
 #include "utils.h"
 #include "pin.h"
 
 void main()
 {
     /* Configure pin PB5 to output*/
     Configure_pinPort(PORTB, (uint8_t)PINB5, OUTPUT);
 
     /* The main loop for the application */
     while(1)
     {
         Write_pin(PORTB, (uint8_t)PINB5, PIN_HIGH);
         Delay();
         Write_pin(PORTB, (uint8_t)PINB5, PIN_LOW);
     }
 }
diff --git a/src/lib/data_types.h b/src/lib/data_types.h
@@ -0,0  1,3 @@
 #include <stdint.h>
 
 typedef uint8_t bool_t;
diff --git a/src/lib/memory_cal.h b/src/lib/memory_cal.h
@@ -0,0  1,9 @@
 /*
 *   File containing the address for registers and other related stuff
 *
 */
 #include <stdint.h>
 
 #define GPIOB (0x23U)
 #define GPIOC (0x26U)
 #define GPIOD (0x29U)
diff --git a/src/lib/pin.c b/src/lib/pin.c
@@ -0,0  1,42 @@
 #include <stdint.h>
 #include "memory_cal.h"
 #include "pin.h"
 
 /*
 * Function to configure ports for read or write
 *
 * INPUT
 * @param gpio *port            - pointer to a general purpose IO register
                                     use macros PORTB/PORTC/PORTD
 * @param uint8_t pin           - the pin number from the enum PINB/PINC/PIND
                                     typecast to uint8_t
 * @param PIN_CONFIG pin_config - Pin configuration INPUT/OUTPUT
 *
 * OUTPUT
 * None
 */
 void Configure_pinPort(gpio *port, uint8_t pin, PIN_CONFIG pin_config)
 {
     port->ddr |= (((uint8_t) pin_config) << pin);
     if(pin_config == INPUT)
     {
         /* This is to activate the pull-up resistor */
         port->port |= (((uint8_t) 1) << pin);
     }
     else
     {
         /* do nothing */
     }
 }
 
 PIN_VALUE Read_pin(gpio* port, uint8_t pin)
 {
     uint8_t mask = ((uint8_t) 1 << pin);
     uint8_t pin_value = (port->pin & mask) >> pin;
     return (PIN_VALUE) pin_value;
 }
 
 void Write_pin(gpio* port, uint8_t pin, PIN_VALUE value)
 {
     port->pin |= (((uint8_t) value) << pin);
 }
diff --git a/src/lib/pin.h b/src/lib/pin.h
@@ -0,0  1,68 @@
 #include <stdint.h>
 #include "memory_cal.h"
 
 /* Data types */
 typedef struct 
 {
     volatile uint8_t pin;
     volatile uint8_t ddr;
     volatile uint8_t port;
 }gpio;
 
 typedef enum
 {
     PINB0 = 0,
     PINB1,
     PINB2,
     PINB3,
     PINB4,
     PINB5,
     PINB6,
     PINB7
 } PINB;
 
 typedef enum
 {
     PINC0 = 0,
     PINC1,
     PINC2,
     PINC3,
     PINC4,
     PINC5,
     PINC6
 } PINC;
 
 typedef enum
 {
     PIND0 = 0,
     PIND1,
     PIND2,
     PIND3,
     PIND4,
     PIND5,
     PIND6,
     PIND7
 } PIND;
 
 typedef enum
 {
     INPUT = 0,
     OUTPUT
 }PIN_CONFIG;
 
 typedef enum
 {
     PIN_LOW = 0,
     PIN_HIGH
 }PIN_VALUE;
 
 /* Macros */
 #define PORTB (volatile gpio*) GPIOB
 #define PORTC (volatile gpio*) GPIOC
 #define PORTD (volatile gpio*) GPIOD
 
 /* Function prototypes */
 
 void Configure_pinPort(gpio *port, uint8_t pin, PIN_CONFIG pin_config);
 PIN_VALUE Read_pin(gpio* port, uint8_t pin);
 void Write_pin(gpio* port, uint8_t pin, PIN_VALUE value);
diff --git a/src/lib/utils.c b/src/lib/utils.c
@@ -0,0  1,10 @@
 #include "utils.h"
 
 void Delay(void)
 {
     volatile uint8_t temp;
     for (uint32_t indx=(uint32_t)0; indx<DELAY_INDEX; indx  )
     {
         temp=((uint8_t)0);
     }
 }
diff --git a/src/lib/utils.h b/src/lib/utils.h
@@ -0,0  1,4 @@
 #include <stdint.h>
 
 #define DELAY_INDEX (uint32_t) 1000000
 void Delay(void);