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updated mains macros

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This commit is contained in:
hugo LAMY
2025-03-06 10:26:39 +01:00
parent 3271fbf96d
commit 4a9fe6cd95
6 changed files with 254 additions and 242 deletions
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71
module01/ex00/main.c
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@@ -1,37 +1,52 @@
#include <avr/io.h>
// #define FIRST_LETTER_IMPL(x) #x[0]
// #define FIRST_LETTER(x) FIRST_LETTER_IMPL(x)
// #define PORT_LETTER(PIN) FIRST_LETTER(PIN)
// stringify
#define STRINGIFY_HELPER(x) #x
#define STRINGIFY(x) STRINGIFY_HELPER(x)
// global registers
// concatenate
#define CONCAT_HELPER(x, y) x ## y
#define CONCAT(x, y) CONCAT_HELPER(x, y)
// get argument
#define ARG_1(v1, v2) v1
#define ARG_2(v1, v2) v2
#define GET_PORT(args) ARG_1 args
#define GET_BIT(args) ARG_2 args
// actions on registers
#define SET(register, bit) register |= 1 << bit
#define CLEAR(register, bit) register &= ~(1 << bit)
#define TEST(register, bit) register & 1 << bit
#define TOGGLE(register, bit) register ^= 1 << bit
// actions on ports
#define TEST_PIN(port, bit) TEST(PIN ## port, bit)
#define TOGGLE_PIN(port, bit) SET(PIN ## port, bit)
#define MODE_INPUT(port, bit) CLEAR(DDR ## port, bit)
#define MODE_OUTPUT(port, bit) SET(DDR ## port, bit)
#define IS_PIN_SET(port, bit) (TEST_PIN(port, bit)) == 0
#define IS_PIN_CLEAR(port, bit) (TEST_PIN(port, bit)) == 1
#define TURN_ON(_PORT, BIT) SET(PORT ## _PORT, BIT)
#define TURN_OFF(_PORT, BIT) CLEAR(PORT ## _PORT, BIT)
// actions on elements
#define SET_ELEM(elem) SET(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define CLEAR_ELEM(elem) CLEAR(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define TEST_ELEM(elem) TEST(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define TOGGLE_ELEM(elem) TOGGLE(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define MODE_OUTPUT(elem) SET(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
#define MODE_INPUT(elem) CLEAR(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
#define TOGGLE_PIN(elem) SET(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem))
#define TEST_PIN(elem) (TEST(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem)))
#define IS_PIN_SET(elem) (TEST_PIN(elem) == 0)
#define IS_PIN_CLEAR(elem) (TEST_PIN(elem) == 1)
// LEDs
#define TURN_ON_LED(bit) SET(PORTB, bit)
#define TURN_OFF_LED(bit) CLEAR(PORTB, bit)
#define TOGGLE_LED(led) TOGGLE_PIN(B, led)
// bits
#define D1 0
#define D2 1
#define D3 2
#define D4 4
#define SW1 2
#define SW2 4
// ELEMENTS
#define D1 0
#define D2 1
#define D3 2
#define D4 4
#define SW1 2
#define SW2 4
// elements (port, bit)
#define LED1 (B, D1)
#define LED2 (B, D2)
#define LED3 (B, D3)
#define LED4 (B, D4)
#define BUTTON1 (D, SW1)
#define BUTTON2 (D, SW2)
// TIME
#define PRESCALE_VALUE 1024
@@ -48,9 +63,11 @@
#endif
#define TIME_MS(ms) (((F_CPU / PRESCALE_VALUE) * ms) / 1000)
// END MACROS
int main() {
MODE_OUTPUT(B, D2);
TURN_OFF_LED(D2);
MODE_OUTPUT(LED2);
CLEAR_ELEM(LED2);
TCCR1B |= (PRESCALE_SET); // set timer with prescale
// -> 16.4 : set timer with bits CS10-12, in register TCCR1B
@@ -58,7 +75,7 @@ int main() {
while(1) {
if (TCNT1 >= TIME_MS(500)) { // 16.11.4 : read timer with register TCNT1 (read/write allowed), that combines two 8 bits registers
TOGGLE_LED(D2);
TOGGLE_PIN(LED2);
TCNT1 = 0; // reset timer value, also in register TCNT1
}
}

67
module01/ex01/main.c
View File

@@ -1,37 +1,52 @@
#include <avr/io.h>
// #define FIRST_LETTER_IMPL(x) #x[0]
// #define FIRST_LETTER(x) FIRST_LETTER_IMPL(x)
// #define PORT_LETTER(PIN) FIRST_LETTER(PIN)
// stringify
#define STRINGIFY_HELPER(x) #x
#define STRINGIFY(x) STRINGIFY_HELPER(x)
// global registers
// concatenate
#define CONCAT_HELPER(x, y) x ## y
#define CONCAT(x, y) CONCAT_HELPER(x, y)
// get argument
#define ARG_1(v1, v2) v1
#define ARG_2(v1, v2) v2
#define GET_PORT(args) ARG_1 args
#define GET_BIT(args) ARG_2 args
// actions on registers
#define SET(register, bit) register |= 1 << bit
#define CLEAR(register, bit) register &= ~(1 << bit)
#define TEST(register, bit) register & 1 << bit
#define TOGGLE(register, bit) register ^= 1 << bit
// actions on ports
#define TEST_PIN(port, bit) TEST(PIN ## port, bit)
#define TOGGLE_PIN(port, bit) SET(PIN ## port, bit)
#define MODE_INPUT(port, bit) CLEAR(DDR ## port, bit)
#define MODE_OUTPUT(port, bit) SET(DDR ## port, bit)
#define IS_PIN_SET(port, bit) (TEST_PIN(port, bit)) == 0
#define IS_PIN_CLEAR(port, bit) (TEST_PIN(port, bit)) == 1
#define TURN_ON(_PORT, BIT) SET(PORT ## _PORT, BIT)
#define TURN_OFF(_PORT, BIT) CLEAR(PORT ## _PORT, BIT)
// actions on elements
#define SET_ELEM(elem) SET(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define CLEAR_ELEM(elem) CLEAR(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define TEST_ELEM(elem) TEST(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define TOGGLE_ELEM(elem) TOGGLE(CONCAT(PORT, GET_PORT(elem)), GET_BIT(elem))
#define MODE_OUTPUT(elem) SET(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
#define MODE_INPUT(elem) CLEAR(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
#define TOGGLE_PIN(elem) SET(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem))
#define TEST_PIN(elem) (TEST(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem)))
#define IS_PIN_SET(elem) (TEST_PIN(elem) == 0)
#define IS_PIN_CLEAR(elem) (TEST_PIN(elem) == 1)
// LEDs
#define TURN_ON_LED(bit) SET(PORTB, bit)
#define TURN_OFF_LED(bit) CLEAR(PORTB, bit)
#define TOGGLE_LED(led) TOGGLE_PIN(B, led)
// bits
#define D1 0
#define D2 1
#define D3 2
#define D4 4
#define SW1 2
#define SW2 4
// ELEMENTS
#define D1 0
#define D2 1
#define D3 2
#define D4 4
#define SW1 2
#define SW2 4
// elements (port, bit)
#define LED1 (B, D1)
#define LED2 (B, D2)
#define LED3 (B, D3)
#define LED4 (B, D4)
#define BUTTON1 (D, SW1)
#define BUTTON2 (D, SW2)
// TIME
#define PRESCALE_VALUE 1024
@@ -48,8 +63,10 @@
#endif
#define TIME_MS(ms) (((F_CPU / PRESCALE_VALUE) * ms) / 1000)
// END MACROS
int main() {
MODE_OUTPUT(B, D2);
MODE_OUTPUT(LED2);
TCCR1B |= (1 << WGM12); // set timer in CTC (Clear Time on Compare) mode
// -> Table 16-4 : use bit WGM12 to set mode ctc

61
module01/ex02/main.c
View File

@@ -1,61 +1,3 @@
// #include <avr/io.h>
// // #define FIRST_LETTER_IMPL(x) #x[0]
// // #define FIRST_LETTER(x) FIRST_LETTER_IMPL(x)
// // #define PORT_LETTER(PIN) FIRST_LETTER(PIN)
// // global registers
// #define SET(register, bit) register |= 1 << bit
// #define CLEAR(register, bit) register &= ~(1 << bit)
// #define TEST(register, bit) register & 1 << bit
// #define TOGGLE(register, bit) register ^= 1 << bit
// // actions on ports
// #define TEST_PIN(port, bit) TEST(PIN ## port, bit)
// #define TOGGLE_PIN(port, bit) SET(PIN ## port, bit)
// #define MODE_INPUT(port, bit) CLEAR(DDR ## port, bit)
// #define MODE_OUTPUT(port, bit) SET(DDR ## port, bit)
// #define IS_PIN_SET(port, bit) (TEST_PIN(port, bit)) == 0
// #define IS_PIN_CLEAR(port, bit) (TEST_PIN(port, bit)) == 1
// #define TURN_ON(_PORT, BIT) SET(PORT ## _PORT, BIT)
// #define TURN_OFF(_PORT, BIT) CLEAR(PORT ## _PORT, BIT)
// // LEDs
// #define TURN_ON_LED(bit) SET(PORTB, bit)
// #define TURN_OFF_LED(bit) CLEAR(PORTB, bit)
// #define TOGGLE_LED(led) TOGGLE_PIN(B, led)
// // ELEMENTS
// #define D1 0
// #define D2 1
// #define D3 2
// #define D4 4
// #define SW1 2
// #define SW2 4
// // TIME
// #define PRESCALE_VALUE 1024
// #if (PRESCALE_VALUE == 1)
// #define PRESCALE_SET (1 << CS10)
// #elif (PRESCALE_VALUE == 8)
// #define PRESCALE_SET (1 << CS11)
// #elif (PRESCALE_VALUE == 64)
// #define PRESCALE_SET (1 << CS10) | (1 << CS11)
// #elif (PRESCALE_VALUE == 256)
// #define PRESCALE_SET (1 << CS12)
// #elif (PRESCALE_VALUE == 1024)
// #define PRESCALE_SET (1 << CS10) | (1 << CS12)
// #endif
// #define TIME_MS(ms) (((F_CPU / PRESCALE_VALUE) * ms) / 1000)
// int main() {
// MODE_OUTPUT(B, D2);
// TURN_ON(B, D2);
// }
//////////////////////////////////////////////
#include <stdio.h>
#include <avr/io.h>
// stringify
@@ -87,6 +29,8 @@
#define MODE_INPUT(elem) CLEAR(CONCAT(DDR, GET_PORT(elem)), GET_BIT(elem))
#define TOGGLE_PIN(elem) SET(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem))
#define TEST_PIN(elem) (TEST(CONCAT(PIN, GET_PORT(elem)), GET_BIT(elem)))
#define IS_PIN_SET(elem) (TEST_PIN(elem) == 0)
#define IS_PIN_CLEAR(elem) (TEST_PIN(elem) == 1)
// bits
#define D1 0
@@ -104,6 +48,7 @@
#define BUTTON1 (D, SW1)
#define BUTTON2 (D, SW2)
// END MACROS
int main()
{