change meaning of CFG_TUH_HID to total number of HID interfaces supported.

- previously CFG_TUH_HID is max number of interfaces per device which is
rather limited and consume more resources than needed.
- change hid host instance in API to index

Author: hathach

examples/dual/host_hid_to_device_cdc/src/tusb_config.h

@@ -132,7 +132,7 @@
 // max device support (excluding hub device)
 #define CFG_TUH_DEVICE_MAX          (CFG_TUH_HUB ? 4 : 1) // hub typically has 4 ports
 
-#define CFG_TUH_HID                  4
+#define CFG_TUH_HID                 (4*CFG_TUH_DEVICE_MAX)
 #define CFG_TUH_HID_EPIN_BUFSIZE    64
 #define CFG_TUH_HID_EPOUT_BUFSIZE   64
 

examples/host/cdc_msc_hid/src/tusb_config.h

@@ -36,7 +36,7 @@
 
 #if CFG_TUSB_MCU == OPT_MCU_RP2040
 // change to 1 if using pico-pio-usb as host controller for raspberry rp2040
-#define CFG_TUH_RPI_PIO_USB   0
+#define CFG_TUH_RPI_PIO_USB   1
 #define BOARD_TUH_RHPORT      CFG_TUH_RPI_PIO_USB
 #endif
 
@@ -97,7 +97,7 @@
 
 #define CFG_TUH_HUB                 1 // number of supported hubs
 #define CFG_TUH_CDC                 1
-#define CFG_TUH_HID                 4 // typical keyboard + mouse device can have 3-4 HID interfaces
+#define CFG_TUH_HID                 (4*CFG_TUH_DEVICE_MAX) // typical keyboard + mouse device can have 3-4 HID interfaces
 #define CFG_TUH_MSC                 1
 #define CFG_TUH_VENDOR              0
 

examples/host/hid_controller/src/tusb_config.h

@@ -97,7 +97,7 @@
 
 #define CFG_TUH_HUB                 0
 #define CFG_TUH_CDC                 0
-#define CFG_TUH_HID                 4 // typical keyboard + mouse device can have 3-4 HID interfaces
+#define CFG_TUH_HID                 (4*CFG_TUH_DEVICE_MAX) // typical keyboard + mouse device can have 3-4 HID interfaces
 #define CFG_TUH_MSC                 0
 #define CFG_TUH_VENDOR              0