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authorDean Camera <dean@fourwalledcubicle.com>2009-12-14 06:01:56 +0000
committerDean Camera <dean@fourwalledcubicle.com>2009-12-14 06:01:56 +0000
commitf3e4fbe5126fc8edf40a0b0ace2d3437ee988d2e (patch)
treef89c9fc12bcdc535b45c5f0c8df366e19fbdbc69 /Projects/AVRISP/Lib/PDITarget.h
parent48e50b6b578fa7a74b4f33f067aa684e3469850e (diff)
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Use the PDI REPEAT instruction in the PDI programmer code to reduce protocol overhead and greatly improve transfer throughput. Switch bit-bang USART in the AVRISP project to Timer 1, so that Timer 0 can be used for hardware timeouts while waiting for the NVM bus or controller to become ready.
Diffstat (limited to 'Projects/AVRISP/Lib/PDITarget.h')
-rw-r--r--Projects/AVRISP/Lib/PDITarget.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/Projects/AVRISP/Lib/PDITarget.h b/Projects/AVRISP/Lib/PDITarget.h
index 2a2af6e27..03083fcb6 100644
--- a/Projects/AVRISP/Lib/PDITarget.h
+++ b/Projects/AVRISP/Lib/PDITarget.h
@@ -69,6 +69,8 @@
#define BITS_IN_FRAME 12
+ #define PDI_NVM_TIMEOUT_MS 200
+
#define PDI_CMD_LDS 0x00
#define PDI_CMD_LD 0x20
#define PDI_CMD_STS 0x40
@@ -102,5 +104,6 @@
void PDITarget_SendByte(uint8_t Byte);
uint8_t PDITarget_ReceiveByte(void);
void PDITarget_SendBreak(void);
+ bool PDITarget_WaitWhileNVMBusBusy(void);
#endif