Ajout Motion controleur en mode minimal

program/motion_controller/src/i2c/headers/i2c_slave.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2021 Valentin Milea <valentin.milea@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #ifndef I2C_SLAVE_H
 #define I2C_SLAVE_H
 
@@ -9,15 +15,7 @@
 #define I2C_SLAVE_ADDRESS 0x09
 
 typedef struct i2c_buffer_t {
-    union {
+    uint8_t buffer[256];
-        struct {
-            uint8_t motor1_speed;
-            uint8_t motor2_speed;
-        } hard;
-
-        uint8_t raw[256];
-    } buffer;
-
     uint8_t buffer_reg;
     bool buffer_reg_written;
 } i2c_buffer_t;
@@ -30,6 +28,4 @@ void deinit_i2c_slave(void);
 uint8_t get_vitesse_moteur_1(void);
 uint8_t get_vitesse_moteur_2(void);
 
-extern int nb_messages;
-
 #endif // I2C_SLAVE_H

program/motion_controller/src/i2c/i2c_slave.c

@@ -1,43 +1,49 @@
+/*
+ * Copyright (c) 2021 Valentin Milea <valentin.milea@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include "headers/i2c_slave.h"
 
 #include <hardware/gpio.h>
 #include <hardware/i2c.h>
-#include <pico/i2c_slave.h>
+#include "pico/i2c_slave.h"
-#include <headers/robot.h>
+
-static struct
+#include <stdio.h>
+
+extern i2c_buffer_t i2c_buffer;
+
+void i2c_slave_buffer_handler(i2c_inst_t *i2c, i2c_slave_event_t event)
 {
-    uint8_t mem[256];
+    switch(event)
-    uint8_t mem_address;
+    {
-    bool mem_address_written;
+      case I2C_SLAVE_RECEIVE: // master has written some data
-} context;
+        if(!i2c_buffer.buffer_reg_written)
-
+        {
-int nb_messages = 0;
-
-// Our handler is called from the I2C ISR, so it must complete quickly. Blocking calls /
-// printing to stdio may interfere with interrupt handling.
-static void i2c_slave_handler(i2c_inst_t *i2c, i2c_slave_event_t event) {
-    switch (event) {
-    case I2C_SLAVE_RECEIVE: // master has written some data
-        if (!context.mem_address_written) {
             // writes always start with the memory address
-            context.mem_address = i2c_read_byte_raw(i2c);
+            i2c_buffer.buffer_reg = i2c_read_byte_raw(I2C_SLAVE_INSTANCE);
-            context.mem_address_written = true;
+            i2c_buffer.buffer_reg_written = true;
-        } else {
+        }
+        else
+        {
             // save into memory
-            context.mem[context.mem_address] = i2c_read_byte_raw(i2c);
+            i2c_buffer.buffer[i2c_buffer.buffer_reg] = i2c_read_byte_raw(I2C_SLAVE_INSTANCE);
-            context.mem_address++;
+            i2c_buffer.buffer_reg++;
         }
         break;
-    case I2C_SLAVE_REQUEST: // master is requesting data
+
+      case I2C_SLAVE_REQUEST: // master is requesting data
         // load from memory
-        i2c_write_byte_raw(i2c, context.mem[context.mem_address]);
+        i2c_write_byte_raw(I2C_SLAVE_INSTANCE, i2c_buffer.buffer[i2c_buffer.buffer_reg]);
-        context.mem_address++;
+        i2c_buffer.buffer_reg++;
         break;
-    case I2C_SLAVE_FINISH: // master has signalled Stop / Restart
+
-        context.mem_address_written = false;
+      case I2C_SLAVE_FINISH: // master has signalled Stop / Restart
-        nb_messages++;
+        i2c_buffer.buffer_reg_written = false;
         break;
-    default:
+
+      default:
         break;
     }
 }
@@ -52,7 +58,7 @@ void init_i2c_slave(void)
 
     i2c_init(I2C_SLAVE_INSTANCE, 0);
     // New SDK method to init i2c slave
-    i2c_slave_init(I2C_SLAVE_INSTANCE, I2C_SLAVE_ADDRESS, i2c_slave_handler);
+    i2c_slave_init(I2C_SLAVE_INSTANCE, I2C_SLAVE_ADDRESS, &i2c_slave_buffer_handler);
 }
 
 void deinit_i2c_slave(void)
@@ -66,9 +72,9 @@ void deinit_i2c_slave(void)
 }
 
 uint8_t get_vitesse_moteur_1(void){
-    return context.mem[0];
+  return i2c_buffer.buffer[0];
 }
 
 uint8_t get_vitesse_moteur_2(void){
-    return context.mem[1];
+  return i2c_buffer.buffer[1];
 }

program/motion_controller/src/main.c

@@ -8,21 +8,38 @@
 *   Ce Pico est un esclave piloté par le Pico Principal.    *
 \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
-#include <stdbool.h>
+#include <pico/stdlib.h>
-#include "headers/robot.h"
+#include <stdio.h>
+#include "i2c/headers/i2c_slave.h"
+#include "headers/motors.h"
 
-robot_t robot;
+
+
+i2c_buffer_t i2c_buffer;
 
 int main(void)
 {
-    robot_init();
+    stdio_init_all();
 
-    while(robot.is_running)
+    sleep_ms(1000);
+
+    puts("STDIO INIT ALL DONE");
+
+    init_i2c_slave();
+
+    puts("SLAVE INIT DONE");
+
+    gpio_init(PICO_DEFAULT_LED_PIN);
+    gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
+
+    motors_init();
+
+    while(true)
     {
-        robot_handle_inputs_outputs();
+        gpio_put(PICO_DEFAULT_LED_PIN, i2c_buffer.buffer[2]);
+        motors_update();
+        sleep_ms(10);
     }
 
-    robot_deinit();
-
     return 0;
 }

program/motion_controller/src/robot.c

@@ -17,7 +17,7 @@ void robot_init(void)
     gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
     gpio_put(PICO_DEFAULT_LED_PIN, true);
 
-    motors_init();
+    //motors_init();
 
     init_i2c_slave();
 
@@ -42,15 +42,6 @@ static inline void update_time(void)
 
     static double elapsed_time = 0.0;
     elapsed_time += robot.delta_time_ms;
-
-    if(nb_messages >= 10)
-    {
-        nb_messages = 0;
-
-        gpio_put(PICO_DEFAULT_LED_PIN, led_state);
-
-        led_state = !led_state;
-    }
 }
 
 void robot_handle_inputs_outputs(void)