From 2ab4f9a595fb14ed14017a8bee2f29be97c0f85d Mon Sep 17 00:00:00 2001
From: Samuel <samuel.kay@poivron-robotique.fr>
Date: Mon, 18 Aug 2025 20:21:17 +0200
Subject: [PATCH] Lecture manette "Gamepad" en USB

---
 hid_app.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.c    |  4 +--
 2 files changed, 82 insertions(+), 2 deletions(-)

diff --git a/hid_app.c b/hid_app.c
index f0d42a0..7d62514 100644
--- a/hid_app.c
+++ b/hid_app.c
@@ -49,6 +49,37 @@ static void process_kbd_report(hid_keyboard_report_t const *report);
 static void process_mouse_report(hid_mouse_report_t const * report);
 static void process_generic_report(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len);
 
+// HID report from 8bitPro
+
+typedef struct TU_ATTR_PACKED
+{
+  uint8_t dummy;
+  uint8_t x, y, z, rz; // joystick
+  
+  uint hat_switch:4;
+  uint b1:1;
+  uint b2:1;
+  uint b3:1;
+  uint b4:1; // 8 bits
+  uint b5:1;
+  uint b6:1;
+  uint b7:1;
+  uint b8:1;
+  uint b9:1;
+  uint b10:1;
+  uint b11:1;
+  uint b12:1; // 16 bits
+  uint b13:1;
+  uint b14:1;
+
+  uint data_1:6; 
+
+  uint gachette_gauche:8;
+  uint gachette_droite:8;
+
+
+} _8bitpro_report_t ;
+
 void hid_app_task(void)
 {
   // nothing to do
@@ -77,8 +108,20 @@ void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_re
   // Therefore for this simple example, we only need to parse generic report descriptor (with built-in parser)
   if ( itf_protocol == HID_ITF_PROTOCOL_NONE )
   {
+    uint16_t vid, pid;
+    tuh_vid_pid_get(dev_addr, &vid, &pid);
+    printf("VID = %04x, PID = %04x\r\n", vid, pid);
+
+
     hid_info[instance].report_count = tuh_hid_parse_report_descriptor(hid_info[instance].report_info, MAX_REPORT, desc_report, desc_len);
     printf("HID has %u reports \r\n", hid_info[instance].report_count);
+    if(hid_info[instance].report_count == 0){
+      printf("desc_len:%d\n", desc_len);
+      for(int i=0; i<10; i++){
+        printf("+ 0x%X 0x%X\n", desc_report[i*2], desc_report[i*2+1]);
+      }
+      printf("\n");
+    }
   }
 
   // request to receive report
@@ -114,6 +157,8 @@ void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t cons
 
     default:
       // Generic report requires matching ReportID and contents with previous parsed report info
+      printf("Generic report recieved\n");
+
       process_generic_report(dev_addr, instance, report, len);
     break;
   }
@@ -240,6 +285,41 @@ static void process_generic_report(uint8_t dev_addr, uint8_t instance, uint8_t c
   tuh_hid_report_info_t* rpt_info_arr = hid_info[instance].report_info;
   tuh_hid_report_info_t* rpt_info = NULL;
 
+  // Supposons que ce soit notre manette !
+  _8bitpro_report_t _8bitpro_report;
+  memcpy(&_8bitpro_report, report, sizeof(_8bitpro_report));
+  printf(">j1:%d\n", _8bitpro_report.x);
+  printf(">j2:%d\n", _8bitpro_report.y);
+  printf(">j3:%d\n", _8bitpro_report.z);
+  printf(">j4:%d\n", _8bitpro_report.rz);
+  printf(">hat:%d\n", _8bitpro_report.hat_switch);
+
+  printf(">b1:%d\n", _8bitpro_report.b1);
+  printf(">b2:%d\n", _8bitpro_report.b2);
+  printf(">b3:%d\n", _8bitpro_report.b3);
+  printf(">b4:%d\n", _8bitpro_report.b4);
+  printf(">b5:%d\n", _8bitpro_report.b5);
+  printf(">b6:%d\n", _8bitpro_report.b6);
+  printf(">b7:%d\n", _8bitpro_report.b7);
+  printf(">b8:%d\n", _8bitpro_report.b8);
+  printf(">b9:%d\n", _8bitpro_report.b9);
+  printf(">b10:%d\n", _8bitpro_report.b10);
+  printf(">b11:%d\n", _8bitpro_report.b11);
+  printf(">b12:%d\n", _8bitpro_report.b12);
+  printf(">b13:%d\n", _8bitpro_report.b13);
+  printf(">b14:%d\n", _8bitpro_report.b14);
+  printf(">data1:%d\n", _8bitpro_report.data_1);
+
+  printf(">g1:%d\n", _8bitpro_report.gachette_droite);
+  printf(">g2:%d\n", _8bitpro_report.gachette_gauche);
+
+
+  printf("HID Report brut\n");
+  for(int i=0; i< len; i++){
+    printf("0x%X ", report[i]);
+  }
+  printf("\n");
+
   if ( rpt_count == 1 && rpt_info_arr[0].report_id == 0)
   {
     // Simple report without report ID as 1st byte
diff --git a/main.c b/main.c
index f72623d..61bfa2d 100644
--- a/main.c
+++ b/main.c
@@ -161,8 +161,8 @@ int main(void) {
     led_blinking_task();
     cdc_app_task();
     hid_app_task();
-    log_to_sd(big_big_buffer);
-    log_to_usb(big_big_buffer); // à commenter pour obtenir un test juste sur la carte SD.(ou simplement ne pas brancher de clé USB)
+    //log_to_sd(big_big_buffer);
+    //log_to_usb(big_big_buffer); // à commenter pour obtenir un test juste sur la carte SD.(ou simplement ne pas brancher de clé USB)
     
   }
 }