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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-10-02 10:02:24 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-10-02 10:02:24 +0000 |
| commit | a447ae134f416ab45dcfe3dfe5dd1222bb908be2 (patch) | |
| tree | 5c985bc6efdc2a26f4e64b62a1db1d2bbb7c2f0c /Projects/AVRISP-MKII/Lib/XPROG | |
| parent | 824ce103905f3892fa0c4f409962315057f18a81 (diff) | |
| download | lufa-a447ae134f416ab45dcfe3dfe5dd1222bb908be2.tar.gz lufa-a447ae134f416ab45dcfe3dfe5dd1222bb908be2.tar.bz2 lufa-a447ae134f416ab45dcfe3dfe5dd1222bb908be2.zip | |
Fixed broken lock byte programming in the AVRISP-MKII clone project for some XMEGA targets.
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c | 11 | ||||
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c index 93419d00d..537441fc0 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c @@ -216,10 +216,19 @@ bool XMEGANVM_WriteByteMemory(const uint8_t WriteCommand, const uint32_t WriteAd XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CMD); XPROGTarget_SendByte(WriteCommand); - /* Send new memory byte to the memory to the target */ + /* Send new memory byte to the memory of the target */ XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2)); XMEGANVM_SendAddress(WriteAddress); XPROGTarget_SendByte(Byte); + + /* Lock bytes need a special confirmation sequence for the write to complete */ + if (WriteCommand == XMEGA_NVM_CMD_WRITELOCK) + { + /* Set CMDEX bit in NVM CTRLA register to start the Lock Byte write sequence */ + XPROGTarget_SendByte(PDI_CMD_STS | (PDI_DATSIZE_4BYTES << 2)); + XMEGANVM_SendNVMRegAddress(XMEGA_NVM_REG_CTRLA); + XPROGTarget_SendByte(1 << 0); + } return true; } diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c index 0f5269db9..85820fd31 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c @@ -324,8 +324,6 @@ static void XPROGProtocol_WriteMemory(void) EraseBuffCommand = XMEGA_NVM_CMD_ERASEEEPROMPAGEBUFF; break; case XPRG_MEM_TYPE_USERSIG: - /* User signature is paged, but needs us to manually indicate the mode bits since the host doesn't set them */ - WriteMemory_XPROG_Params.PageMode = (XPRG_PAGEMODE_ERASE | XPRG_PAGEMODE_WRITE); WriteCommand = XMEGA_NVM_CMD_WRITEUSERSIG; break; case XPRG_MEM_TYPE_FUSE: |