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| Search found 15 matches |
| Author | Message |
|---|---|
 Topic: Problems with ROM and LCD font |
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| nickdc Replies: 6 Views: 16064 |
 Forum: General CCS C Discussion Posted: Mon Jun 29, 2020 5:10 am Subject: Problems with ROM and LCD font |
| Hello Ttelmah,
Thanks for your clues. I changed 'const' to 'rom' and removed the memcpy. If you are in the vicinity of Westvleteren, we will offer you a Trappist beer  |
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| Topic: Problems with ROM and LCD font |
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| nickdc Replies: 6 Views: 16064 |
Forum: General CCS C Discussion Posted: Mon Jun 29, 2020 2:56 am Subject: Problems with ROM and LCD font |
| I have a problem with printing certain characters to my LCD, after I added a symbol to my font set.
I use CCS compiler 5.078, PIC18F57K42, I use opt compress because else it doesn't fit into memory ... |
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| Topic: PIC16F1828 WDT and I2C write behaviour |
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| nickdc Replies: 6 Views: 15830 |
Forum: General CCS C Discussion Posted: Mon Dec 02, 2019 11:49 am Subject: PIC16F1828 WDT and I2C write behaviour |
| Thanks temtronic and PCM programmer for looking into this.
Sorry, I looked at a wrong pair of resistors. I also see a pair of 4k7 resistors in my schematic connected to 5V. The MCP4725 is an IC o ... |
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| Topic: PIC16F1828 WDT and I2C write behaviour |
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| nickdc Replies: 6 Views: 15830 |
Forum: General CCS C Discussion Posted: Mon Dec 02, 2019 10:41 am Subject: PIC16F1828 WDT and I2C write behaviour |
| The I2C device is the MCP4725 DAC.
Connected to the SDA and SCL are two 22 ohm resistors. Vdd is 5 V. |
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| Topic: PIC16F1828 WDT and I2C write behaviour |
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| nickdc Replies: 6 Views: 15830 |
Forum: General CCS C Discussion Posted: Mon Dec 02, 2019 9:55 am Subject: PIC16F1828 WDT and I2C write behaviour |
| Hi,
My device is a PIC16F1828 and I use compiler version 5.076. When I block PIC and then send something using I2C, the processor will freeze, causing another watchdog timeout. These are my set ... |
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| Topic: Receiving a string from terminal |
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| nickdc Replies: 11 Views: 20467 |
Forum: General CCS C Discussion Posted: Mon Nov 18, 2019 1:51 pm Subject: Receiving a string from terminal |
| Sorry, I made a mistake in my first post. I meant sending from the PC to the PIC, not from the PIC to the PC. I had overlooked the "I".
For example, writing a string via broadcast command i ... |
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| Topic: Receiving a string from terminal |
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| nickdc Replies: 11 Views: 20467 |
Forum: General CCS C Discussion Posted: Mon Nov 18, 2019 12:30 pm Subject: Receiving a string from terminal |
| I want to send a string from the PC to the UART of the PIC, via the terminal.
I searched the forums and ex_sisr.c in the examples folder was recommended as good start. I have searched the forums for ... |
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| Topic: Reading MCP4725, rotating and concatenating two bytes |
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| nickdc Replies: 10 Views: 18483 |
Forum: General CCS C Discussion Posted: Mon Nov 18, 2019 2:13 am Subject: Reading MCP4725, rotating and concatenating two bytes |
| This is my (shortened) program:
#include <16F1828.h> #fuses HS,NOWDT,PROTECT,NOLVP,BROWNOUT #use delay(clock=18.432M, CRYSTAL) // xtal-frequency #use rs232(STREAM = UART_Displ ... |
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| Topic: Reading MCP4725, rotating and concatenating two bytes |
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| nickdc Replies: 10 Views: 18483 |
Forum: General CCS C Discussion Posted: Mon Nov 18, 2019 1:44 am Subject: Reading MCP4725, rotating and concatenating two bytes |
| When I try the optimized method, I get for 4095 (decimal) the following:
upper8bits: 00ff lower8bits: 00f0 output: 00ff When I try: output = ((int16)upper8bits<<4) | ... |
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| Topic: Reading MCP4725, rotating and concatenating two bytes |
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| nickdc Replies: 10 Views: 18483 |
Forum: General CCS C Discussion Posted: Sat Nov 16, 2019 12:59 pm Subject: Reading MCP4725, rotating and concatenating two bytes |
| It is the MCP4725. I made a typo, sorry.
I will try the suggesting when I have access to my hardware. |
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| Topic: Reading MCP4725, rotating and concatenating two bytes |
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| nickdc Replies: 10 Views: 18483 |
Forum: General CCS C Discussion Posted: Sat Nov 16, 2019 3:40 am Subject: Reading MCP4725, rotating and concatenating two bytes |
| Hi,
My compiler version is 5.076 and I'm working on a PIC16F1828. I'm converting the following code from XC8 to CCS. I want to read the data bits of a MCP4725 DAC device. I want to convert the ... |
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| Topic: Determining WDT timeout period |
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| nickdc Replies: 4 Views: 14499 |
Forum: General CCS C Discussion Posted: Thu Dec 06, 2018 1:35 pm Subject: Determining WDT timeout period |
| Thanks for your replies. I'm always very impressed by the level of knowledge on this forum. As a programmer that recently joined the workforce, it makes me wonder how one assimilates that kind of faci ... | |
| Topic: Determining WDT timeout period |
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| nickdc Replies: 4 Views: 14499 |
Forum: General CCS C Discussion Posted: Thu Dec 06, 2018 4:05 am Subject: Determining WDT timeout period |
| I'm using the CCS compiler v5.081 with the PIC1857K42.
I use the following instruction: setup_wdt(WDT_ON); How can I determine what the time out period with this specific instructio ... |
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| Topic: Casting void pointer: a numeric expression must appear here |
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| nickdc Replies: 3 Views: 13025 |
Forum: General CCS C Discussion Posted: Mon Nov 19, 2018 12:03 pm Subject: Casting void pointer: a numeric expression must appear here |
| Thanks. The #case was indeed the cause of the problem. | |
| Topic: Casting void pointer: a numeric expression must appear here |
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| nickdc Replies: 3 Views: 13025 |
Forum: General CCS C Discussion Posted: Sat Nov 17, 2018 6:53 am Subject: Casting void pointer: a numeric expression must appear here |
| I use a PIC18F47K42 and the CCS compiler v5.081. I'm in the process of porting the following code from XC8 to CCS.
https://www.studentcompanion.co.za/interfacing-sd-card-with-pic-microcontroller-x ... |
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