// Called in ISR context called when a data is received
bool USBMSD::EP2_OUT_callback() {
uint32_t size = 0;
uint8_t buf[MAX_PACKET_SIZE_EPBULK];
readEP(EPBULK_OUT, buf, &size, MAX_PACKET_SIZE_EPBULK);
switch (stage) {
// the device has to decode the CBW received
case READ_CBW:
CBWDecode(buf, size);
break;
// the device has to receive data from the host
case PROCESS_CBW:
switch (cbw.CB[0]) {
case WRITE10:
case WRITE12:
memoryWrite(buf, size);
break;
case VERIFY10:
memoryVerify(buf, size);
break;
}
break;
// an error has occured: stall endpoint and send CSW
default:
stallEndpoint(EPBULK_OUT);
csw.Status = CSW_ERROR;
sendCSW();
break;
}
//reactivate readings on the OUT bulk endpoint
readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
return true;
}
void test_memoryWriteHalfWord_should_write_memory_in_word_and_return_1_if_success(void)
{
int size = HALFWORD_SIZE;
uint32_t writeData = 0xCAFE, address = 0x20000000;
writeMemory_ExpectAndReturn(_session, (uint8_t *)&writeData, address, HALFWORD_SIZE, TLV_WRITE_RAM, PROCESS_DONE);
int result = memoryWrite(address, writeData, HALFWORD_SIZE);
TEST_ASSERT_EQUAL(PROCESS_DONE, result);
}
void test_memoryWriteByte_should_write_memory_in_word_and_return_1_if_success(void)
{
int size = BYTE_SIZE;
uint32_t writeData = 0xBE, address = 0x20000000;
writeMemory_ExpectAndReturn(_session, (uint8_t *)&writeData, address, BYTE_SIZE, TLV_WRITE_RAM, 0);
tlvService_Expect(_session);
writeMemory_ExpectAndReturn(_session, (uint8_t *)&writeData, address, BYTE_SIZE, TLV_WRITE_RAM, PROCESS_DONE);
int result = memoryWrite(address, writeData, BYTE_SIZE);
TEST_ASSERT_EQUAL(PROCESS_DONE, result);
}
int memoryWriteWord(uint32_t address, uint32_t dataWrite) {
return memoryWrite(address, dataWrite, WORD_SIZE);
}
int memoryWriteHalfword(uint32_t address, uint32_t dataWrite) {
return memoryWrite(address, dataWrite, HALFWORD_SIZE);
}
int memoryWriteByte(uint32_t address, uint32_t dataWrite) {
return memoryWrite(address, dataWrite, BYTE_SIZE);
}
