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Fixed "warning: comparison between signed and unsigned integer expressions"

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Also return if length is too short
This commit is contained in:
Kristian Sloth Lauszus 2015-04-20 00:51:52 +02:00
parent 17feb495be
commit a032e01465
2 changed files with 14 additions and 7 deletions
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17
PS4Parser.cpp
View file

@ -62,7 +62,7 @@ uint8_t PS4Parser::getAnalogHat(AnalogHatEnum a) {
}
void PS4Parser::Parse(uint8_t len, uint8_t *buf) {
if (len > 0 && buf) {
if (len > 1 && buf) {
#ifdef PRINTREPORT
Notify(PSTR("\r\n"), 0x80);
for (uint8_t i = 0; i < len; i++) {
@ -72,10 +72,17 @@ void PS4Parser::Parse(uint8_t len, uint8_t *buf) {
#endif
if (buf[0] == 0x01) // Check report ID
memcpy(&ps4Data, buf + 1, min(len - 1, sizeof(ps4Data)));
else if (buf[0] == 0x11) // This report is send via Bluetooth, it has an offset of 2 compared to the USB data
memcpy(&ps4Data, buf + 3, min(len - 3, sizeof(ps4Data)));
else {
memcpy(&ps4Data, buf + 1, min((uint8_t)(len - 1), sizeof(ps4Data)));
else if (buf[0] == 0x11) { // This report is send via Bluetooth, it has an offset of 2 compared to the USB data
if (len < 4) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nReport is too short: "), 0x80);
D_PrintHex<uint8_t > (len, 0x80);
#endif
return;
}
memcpy(&ps4Data, buf + 3, min((uint8_t)(len - 3), sizeof(ps4Data)));
} else {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nUnknown report id: "), 0x80);
D_PrintHex<uint8_t > (buf[0], 0x80);

4
PSBuzz.cpp
View file

@ -21,7 +21,7 @@
//#define PRINTREPORT // Uncomment to print the report send by the PS Buzz Controllers
void PSBuzz::ParseHIDData(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
if (HIDUniversal::VID == PSBUZZ_VID && HIDUniversal::PID == PSBUZZ_PID && len > 0 && buf) {
if (HIDUniversal::VID == PSBUZZ_VID && HIDUniversal::PID == PSBUZZ_PID && len > 2 && buf) {
#ifdef PRINTREPORT
Notify(PSTR("\r\n"), 0x80);
for (uint8_t i = 0; i < len; i++) {
@ -29,7 +29,7 @@ void PSBuzz::ParseHIDData(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
Notify(PSTR(" "), 0x80);
}
#endif
memcpy(&psbuzzButtons, buf + 2, min(len - 2, sizeof(psbuzzButtons)));
memcpy(&psbuzzButtons, buf + 2, min((uint8_t)(len - 2), sizeof(psbuzzButtons)));
if (psbuzzButtons.val != oldButtonState.val) { // Check if anything has changed
buttonClickState.val = psbuzzButtons.val & ~oldButtonState.val; // Update click state variable