Added .5MHz recovery clock to the AVRISP programmer project when in ISP programming...
[pub/USBasp.git] / Projects / AVRISP-MKII / Lib / XPROG / TINYNVM.c
index 91ed775..0ab2975 100644 (file)
@@ -82,9 +82,12 @@ bool TINYNVM_WaitWhileNVMBusBusy(void)
                /* Send the SLDCS command to read the TPI STATUS register to see the NVM bus is active */\r
                XPROGTarget_SendByte(TPI_CMD_SLDCS | TPI_STATUS_REG);\r
                if (XPROGTarget_ReceiveByte() & TPI_STATUS_NVM)\r
-                 return true;\r
+               {\r
+                       TimeoutMSRemaining = COMMAND_TIMEOUT_MS;\r
+                       return true;\r
+               }\r
        }\r
-       \r
+\r
        return false;\r
 }\r
 \r
@@ -103,9 +106,12 @@ bool TINYNVM_WaitWhileNVMControllerBusy(void)
 \r
                /* Check to see if the BUSY flag is still set */\r
                if (!(XPROGTarget_ReceiveByte() & (1 << 7)))\r
-                 return true;\r
+               {\r
+                       TimeoutMSRemaining = COMMAND_TIMEOUT_MS;\r
+                       return true;\r
+               }\r
        }\r
-       \r
+\r
        return false;\r
 }\r
 \r
@@ -167,6 +173,10 @@ bool TINYNVM_WriteMemory(const uint16_t WriteAddress, uint8_t* WriteBuffer, uint
        \r
        while (WriteLength)\r
        {\r
+               /* Wait until the NVM controller is no longer busy */\r
+               if (!(TINYNVM_WaitWhileNVMControllerBusy()))\r
+                 return false;\r
+\r
                /* Write the low byte of data to the target */\r
                XPROGTarget_SendByte(TPI_CMD_SST | TPI_POINTER_INDIRECT_PI);\r
                XPROGTarget_SendByte(*(WriteBuffer++));\r
@@ -175,10 +185,6 @@ bool TINYNVM_WriteMemory(const uint16_t WriteAddress, uint8_t* WriteBuffer, uint
                XPROGTarget_SendByte(TPI_CMD_SST | TPI_POINTER_INDIRECT_PI);\r
                XPROGTarget_SendByte(*(WriteBuffer++));\r
 \r
-               /* Wait until the NVM controller is no longer busy */\r
-               if (!(TINYNVM_WaitWhileNVMControllerBusy()))\r
-                 return false;\r
-\r
                /* Need to decrement the write length twice, since we read out a whole word */\r
                WriteLength -= 2;\r
        }\r