altos: Allow products to override default 100mA USB current

[fw/altos] / src / core / ao_product.c

diff --git a/src/core/ao_product.c b/src/core/ao_product.c
index ec91b9783f091151358d588ddab214e819cb21aa..b9327bacbf8b4a9543775c335cefd63ab97becfc 100644 (file)
--- a/src/core/ao_product.c
+++ b/src/core/ao_product.c
@@ -27,6 +27,12 @@ const char ao_product[] = AO_iProduct_STRING;
 #define LE_WORD(x)    ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8))
 
 #if HAS_USB
+
+/* Maximum power in mA */
+#ifndef AO_USB_MAX_POWER
+#define AO_USB_MAX_POWER       100
+#endif
+
 #include "ao_usb.h"
 /* USB descriptors in one giant block of bytes */
 AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] =
@@ -55,7 +61,7 @@ AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] =
        0x01,                   /*  bConfigurationValue */
        0x00,                   /*  iConfiguration */
        0xC0,                   /*  bmAttributes */
-       0x32,                   /*  bMaxPower */
+       AO_USB_MAX_POWER >> 1,  /*  bMaxPower, 2mA units */
 
        /* Control class interface */
        0x09,