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| Search found 6 matches |
| Author | Message |
|---|---|
 Topic: UART Crashes |
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| sgarc Replies: 12 Views: 15513 |
 Forum: General CCS C Discussion Posted: Mon Nov 17, 2008 6:56 pm Subject: UART Crashes |
| Ok so after some trial and error I managed to find a work around for the problem. I just reset the UART before every output and it works consistently.
// disable the uart setup_uart(0); DE ... |
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| Topic: UART Crashes |
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| sgarc Replies: 12 Views: 15513 |
Forum: General CCS C Discussion Posted: Mon Nov 03, 2008 2:12 pm Subject: UART Crashes |
| Yes i am using a MAX232 chip and i measure the 5V(tx) and -10V(rx) after the MAX232 chip. These measurements were not made on the PIC pins. | |
| Topic: UART Crashes |
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| sgarc Replies: 12 Views: 15513 |
Forum: General CCS C Discussion Posted: Mon Nov 03, 2008 1:35 pm Subject: UART Crashes |
| oh i also forgot to mention that when the UART crashes the device does not reset it just stays in locked state and also the voltage on the RX line drops to -10V. During normal operation both the TX a ... | |
| Topic: UART Crashes |
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| sgarc Replies: 12 Views: 15513 |
Forum: General CCS C Discussion Posted: Mon Nov 03, 2008 1:28 pm Subject: UART Crashes |
| Ok i read the first two posts. I dont have the Watch Dog Timer enabled, also i use NOPUT. One thing to note about my problem is that if i remove the code that outputs to the RS232 every three second ... | |
| Topic: UART Crashes |
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| sgarc Replies: 12 Views: 15513 |
Forum: General CCS C Discussion Posted: Mon Nov 03, 2008 1:09 pm Subject: UART Crashes |
| Yes i do have the NOXINST and NOLVP fuses set | |
| Topic: UART Crashes |
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| sgarc Replies: 12 Views: 15513 |
Forum: General CCS C Discussion Posted: Mon Nov 03, 2008 12:49 pm Subject: UART Crashes |
| I'm using an 18F2680. I am using the hardware uart with the following RS232 use statement:
#define RS232BAUD 19200 #use rs232(baud=RS232BAUD,parity=N,bits=8, errors, uart1) Essentially I am ... |
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