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chg: wiping / reading / writing flashmem

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This commit is contained in:
iceman1001 2018-04-20 16:11:10 +02:00
commit f5718fb448
3 changed files with 109 additions and 53 deletions
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35
armsrc/appmain.c
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@ -1121,7 +1121,6 @@ void UsbPacketReceived(uint8_t *packet, int len) {
break;
}
}
// Trigger a finish downloading signal with an ACK frame
cmd_send(CMD_ACK, 1, 0, 0, 0, 0);
LED_B_OFF();
break;
@ -1137,8 +1136,40 @@ void UsbPacketReceived(uint8_t *packet, int len) {
break;
}
case CMD_UPLOAD_FLASH_MEM:
case CMD_DOWNLOAND_FLASH_MEM:
LED_B_ON();
cmd_send(CMD_ACK, isok, 0, 0, 0, 0);
LED_B_OFF();
break;
case CMD_DOWNLOAND_FLASH_MEM: {
LED_B_ON();
uint8_t *mem = BigBuf_malloc(USB_CMD_DATA_SIZE);
bool isok = false;
size_t len = 0;
uint32_t startidx = c->arg[0];
uint32_t numofbytes = c->arg[1];
// arg0 = startindex
// arg1 = length bytes to transfer
// arg2 = RFU
//Dbprintf("transfer to client parameters: %" PRIu32 " | %" PRIu32 " | %" PRIu32, startidx, numofbytes, c->arg[2]);
for (size_t i = 0; i < numofbytes; i += USB_CMD_DATA_SIZE) {
len = MIN((numofbytes - i), USB_CMD_DATA_SIZE);
isok = Flash_ReadData(startidx + i, mem, len);
if (!isok )
Dbprintf("reading flash memory failed :: | bytes between %d - %d", i, len);
isok = cmd_send(CMD_DOWNLOADED_FLASHMEM, i, len, 0, mem, len);
if (!isok)
Dbprintf("transfer to client failed :: | bytes between %d - %d", i, len);
}
cmd_send(CMD_ACK, 1, 0, 0, 0, 0);
LED_B_OFF();
break;
}
#endif
case CMD_SET_LF_DIVISOR:
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);