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-rw-r--r--bootloaders/diskloader/DiskLoader.hex171
-rw-r--r--bootloaders/diskloader/src/DiskLoader.cpp5
-rw-r--r--bootloaders/diskloader/src/USBCore.cpp31
3 files changed, 110 insertions, 97 deletions
diff --git a/bootloaders/diskloader/DiskLoader.hex b/bootloaders/diskloader/DiskLoader.hex
index 7ca0c74..811efed 100644
--- a/bootloaders/diskloader/DiskLoader.hex
+++ b/bootloaders/diskloader/DiskLoader.hex
@@ -1,4 +1,4 @@
-:1078000011241FBECFEFDAE0DEBFCDBFC3C0410100
+:1078000011241FBECFEFDAE0DEBFCDBFC5C04101FE
:1078100042144505560455026403740300001E9586
:1078200087020110030000C18081C106C0FF0A0069
:107830000CA10185037508150026FF00954009017C
@@ -14,87 +14,92 @@
:1078D00084034000400020918A0130918B012F5F8A
:1078E0003F4F30938B0120938A01832F9927982F44
:1078F00087FD9095990F921710F447980895479A2D
-:10790000089581E08093E0001092E200EE27FF27C7
-:10791000099408950F931F93CF93DF93982FEB0152
-:10792000042F10E088E76030780730F411E083E03E
-:10793000FB0180935700E895892F68E071E0402FA4
-:10794000E2D0112311F107B600FCFDCF402F469580
-:10795000FE01A8E0B1E020E031E009C08D919D91E9
-:107960000C0130935700E895112432962F5F2417AD
-:10797000A8F385E0FE0180935700E89507B600FC68
-:10798000FDCF81E180935700E895DF91CF911F9162
-:107990000F910895769A289A47983F9A209A6E9A5E
-:1079A00090E8909361001092610081E885BF95BFD7
-:1079B00091D084E18093880180E180938901E0E0A7
-:1079C000F0E0859194918F5F9F4F19F081E0809353
-:1079D0008D01EE24FF24BB24B39421E0C22ED12CD0
-:1079E000DBD1082F8EE098E7FC01249131960296B6
-:1079F0004491201711F02223B9F710928F011092B1
-:107A00008E0182E068E071E07ED0013479F460910B
-:107A100008016058633028F0683111F064E001C05B
-:107A200063E0C62FD0E0CF5DD7480EC0063571F4B5
-:107A300080910801803311F011E022C080910A0189
-:107A4000C82FD0E0C25ED74811E022C0053721F42C
-:107A500013E0CEE1D8E71CC0053539F4E090080109
-:107A6000F0900901EE0CFF1C0AC0043631F482E0EC
-:107A7000B701409109014EDF02C0043721F010E048
-:107A8000C5E2D8E705C010910901E701E10EF11C3C
-:107A900083D18097B1F483E068E871E041E050E081
-:107AA00049D0112329F0412F50E083E8BE0142D094
-:107AB00083E469E871E041E050E03CD0013509F031
-:107AC0008FCFD0928F01C0928E01B0928D01EE24A3
-:107AD000FF2486CF10928F0110928E0110928C019C
-:107AE00010928D0181E08093D70080EA8093D800C6
-:107AF00082E189BD09B400FEFDCF80E98093D80002
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-:107B20008091E80085FD02C09093E8004150442315
-:107B300079F70895982FFB01282F20728770809382
-:107B4000E9003AE315C08091E80085FFFCCF97FF7C
-:107B500002C0849101C080813196211180E0769825
-:107B60008093F1008091E80085FD02C03093E80029
-:107B7000415050408FEF4F3F580729F796FF03C001
-:107B80008AE38093E800089580919101813281F425
-:107B9000769820E030E003C080818093F100F90105
-:107BA000E050FF4F2F5F3F4F28303105A9F71FC02E
-:107BB0008032B9F48091E80082FFFCCF289820E061
-:107BC00030E003C08091F1008083F901E050FF4F65
-:107BD0002F5F3F4F28303105A9F78BEF8093E800E6
-:107BE00006C0823221F4809192018093070181E0E6
-:107BF000089520919301223201F1213079F480918E
-:107C0000960190919701089711F420939801809123
-:107C100098018823B1F5EFE5F8E735C0223021F46B
-:107C200084E6E1E7F8E70CC0233049F58091920142
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-:107C70003093E8003196921758F381E0089580E040
-:107C80000895EDE4F8E78491DBCF1092E90080914C
-:107C9000E80083FF62C02898E0E9F1E003C080912A
-:107CA000F100819381E0E839F807C9F782EF80930A
-:107CB000E8008091900187FF05C08091E80080FF77
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-:107CD00051F48091E80080FFFCCF80919201806890
-:107CE0008093E30033C08930E1F480919201809366
-:107CF0008C01E7E2F8E791E031E026E39093E900B8
-:107D00003093EB0084918093EC002093ED009F5F13
-:107D10003196953099F78EE78093EA001092EA0049
-:107D200015C0883031F480918C0176988093F100F1
-:107D30000DC0882321F476981092F10007C0863098
-:107D400011F457DF01C020DF882321F08EEF8093EC
-:107D5000E800089581E28093EB0008958091E100AE
-:107D60001092E100282F83FF0CC01092E90081E0FF
-:107D70008093EB001092EC0082E38093ED00109270
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-:107D90008F0110928E0108951F9312E076DFDEDFCF
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-:107DE0008F01019790938F0180938E0180918E0176
-:107DF00090918F01892B19F4769A289A82DD6BDD98
-:027E0000CDCFE4
-:087E020000E100000000000097
+:107900000895769A289A81E08093E0001092E20030
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+:1079400071E0402FF0D0112311F107B600FCFDCFFC
+:10795000402F4695FE01A8E0B1E020E031E009C0EB
+:107960008D919D910C0130935700E895112432962A
+:107970002F5F2417A8F385E0FE0180935700E89558
+:1079800007B600FCFDCF81E180935700E895DF91B9
+:10799000CF911F910F910895769A289A47983F9A10
+:1079A000209A6E9A90E8909361001092610081E8AD
+:1079B00085BF95BF9FD084E18093880180E180934B
+:1079C0008901E0E0F0E0859194918F5F9F4F19F07D
+:1079D00081E080938F01EE24FF24BB24B39428EE32
+:1079E000C22E23E0D22E03D2082F8EE098E7FC01AE
+:1079F0002491319602964491201711F02223B9F771
+:107A0000109291011092900182E068E071E08BD0B9
+:107A1000013479F4609108016058633028F06831CE
+:107A200011F064E001C063E0C62FD0E0CF5DD7481D
+:107A30000EC0063571F480910801803311F011E019
+:107A400022C080910A01C82FD0E0C25ED74811E061
+:107A500022C0053721F413E0CEE1D8E71CC005357C
+:107A600039F4E0900801F0900901EE0CFF1C0AC007
+:107A7000043631F482E0B701409109014DDF02C0C4
+:107A8000043721F010E0C5E2D8E705C010910901E4
+:107A9000E701E10EF11CABD18097B1F483E068E817
+:107AA00071E041E050E059D0112329F0412F50E01E
+:107AB00083E8BE0152D083E469E871E041E050E020
+:107AC0004CD0013509F08FCFD0929101C092900136
+:107AD000B0928F01EE24FF2486CFFC01289884E623
+:107AE00080938D0104C08091F100819361506623E1
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+:107B000010928F0181E08093D70080EA8093D800A3
+:107B100082E189BD09B400FEFDCF80E98093D800E1
+:107B20001092E0000895FB018093E90024E69BE6B3
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+:107B40008091F10081938091E80085FD02C09093BF
+:107B5000E8004150442369F70895982FFB01282F2E
+:107B6000207287708093E90064E63AE317C0809141
+:107B7000E80085FFFCCF97FF02C0849101C080819F
+:107B80003196211180E0769860938C018093F1000A
+:107B90008091E80085FD02C03093E80041505040DC
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+:107BF00091E067E072DF8BEF8093E80006C082328D
+:107C000021F4809194018093070181E008952091EF
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+:107C300009F03FC0EFE5F8E73EC0223021F484E6CA
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+:107C500071F5E9E4F8E72FC081E0EBE2F8E79091F5
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+:107C70004EEF8091E8008570E1F38091E80082FD8D
+:107C800012C02F5F849176988093F100822F8F73BA
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+:107CA0008C0181E0089590938C0180E0089580E03C
+:107CB0000895EDE4F8E78491D2CF1092E900809125
+:107CC000E80083FF61C082E991E068E006DF82EFAF
+:107CD0008093E8008091920187FF05C08091E800C1
+:107CE00080FFFCCF03C08EEF8093E800809193016A
+:107CF000853051F48091E80080FFFCCF80919401A1
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+:107D2000E9003093EB0084918093EC002093ED0008
+:107D30009F5F3196953099F78EE78093EA00109215
+:107D4000EA001BC0883049F490918E01769884E651
+:107D500080938C019093F10010C0882339F47698B9
+:107D600084E680938C011092F10007C0863011F4F4
+:107D70004EDF01C01FDF882321F08EEF8093E800E3
+:107D8000089581E28093EB0008958091E1001092C4
+:107D9000E100282F83FF0CC01092E90081E080935E
+:107DA000EB001092EC0082E38093ED0010928E01C4
+:107DB00022FF1CC080918C01882331F08150809378
+:107DC0008C01882309F4769A80918D01882331F003
+:107DD000815080938D01882309F4289A80918F0126
+:107DE000882321F4109291011092900108951F931D
+:107DF000CF93DF9312E0C0E9D1E05FDFC6DF1093DD
+:107E0000E9008091E80085FF13C0289884E68093FC
+:107E10008D019091F1008091E80085FD03C08BE613
+:107E20008093E800892F90E0DF91CF911F91089512
+:107E3000809190019091910101979093910180938D
+:107E400090018091900190919101892B09F459DD65
+:0A7E5000CE010197F1F73FDDD0CF1E
+:087E5A0000E10000000000003F
:040000030000780081
:00000001FF
diff --git a/bootloaders/diskloader/src/DiskLoader.cpp b/bootloaders/diskloader/src/DiskLoader.cpp
index 34a9c94..da57e75 100644
--- a/bootloaders/diskloader/src/DiskLoader.cpp
+++ b/bootloaders/diskloader/src/DiskLoader.cpp
@@ -210,7 +210,7 @@ int main()
if (cmd == 'Q')
break;
}
- _timeout = 1; // signal to exit the bootloader
+ _timeout = 1000; // wait a moment before exiting the bootloader - may need to finish responding to 'Q' for example
_ejected = 1;
}
}
@@ -232,7 +232,8 @@ void LEDPulse()
void Reboot()
{
- /* TODO - ZE - this should probably be a WDT reset instead, right? */
+ TXLED0; // switch off the RX and TX LEDs before starting the user sketch
+ RXLED0;
UDCON = 1; // Detatch USB
UDIEN = 0;
asm volatile ( // Reset vector to run firmware
diff --git a/bootloaders/diskloader/src/USBCore.cpp b/bootloaders/diskloader/src/USBCore.cpp
index 142fc79..1a8f2d0 100644
--- a/bootloaders/diskloader/src/USBCore.cpp
+++ b/bootloaders/diskloader/src/USBCore.cpp
@@ -29,6 +29,11 @@
#define EP_TYPE_ISOCHRONOUS_IN 0x41
#define EP_TYPE_ISOCHRONOUS_OUT 0x40
+/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */
+#define TX_RX_LED_PULSE_MS 100
+u8 TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */
+u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
+
void Reboot();
//==================================================================
@@ -85,6 +90,7 @@ static
void Send(volatile const u8* data, u8 count)
{
TXLED1; // light the TX LED
+ TxLEDPulse = TX_RX_LED_PULSE_MS;
while (count--)
UEDATX = *data++;
}
@@ -92,6 +98,7 @@ void Send(volatile const u8* data, u8 count)
void Recv(volatile u8* data, u8 count)
{
RXLED1; // light the RX LED
+ RxLEDPulse = TX_RX_LED_PULSE_MS;
while (count--)
*data++ = UEDATX;
}
@@ -99,12 +106,14 @@ void Recv(volatile u8* data, u8 count)
static inline u8 Recv8()
{
RXLED1; // light the RX LED
+ RxLEDPulse = TX_RX_LED_PULSE_MS;
return UEDATX;
}
static inline void Send8(u8 d)
{
TXLED1; // light the TX LED
+ TxLEDPulse = TX_RX_LED_PULSE_MS;
UEDATX = d;
}
@@ -451,12 +460,17 @@ void USBGeneralInterrupt()
{
InitEP(0,EP_TYPE_CONTROL,EP_SINGLE_64); // init ep0
_usbConfiguration = 0; // not configured yet
- //UEIENX = 1 << RXSTPE;
}
- // Start of Frame
+ // Start of Frame - happens every millisecond so we use it for TX and RX LED one-shot timing, too
if (udint & (1<<SOFI))
{
+ // check whether the one-shot period has elapsed. if so, turn off the LED
+ if (TxLEDPulse && !(--TxLEDPulse))
+ TXLED0;
+ if (RxLEDPulse && !(--RxLEDPulse))
+ RXLED0;
+
if (!_ejected)
_timeout = 0;
}
@@ -477,20 +491,13 @@ int USBGetChar()
if (!ReadWriteAllowed())
ReleaseRX();
return c;
- } else {
- u8 temp = 0;
- for (temp=100; temp; temp--)
- asm volatile("nop\n\t" "nop\n\t" "nop\n\t" "nop\n\t"::);
- RXLED0; // we turn the RX and TX LEDs on in the relevant Send or Recv instruction
- TXLED0; // we turn them off here after some time has passed to ensure a minimum on time.
- }
+ }
if (!--_timeout) {
- TXLED0; // switch off the RX and TX LEDs before starting the user sketch
- RXLED0;
Reboot(); // USB not connected, run firmware
}
-
+
+ _delay_us(100); // stretch out the bootloader period to about 5 seconds after enumeration
LEDPulse();
}
return -1;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-10-26 15:33:29 +0000