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Posted on November 17, 2013 at 00:24Hello :)I want a timer to execute ISR all 4 ms but for academic reasons (interest) I want it as accurate as possible. So I chose TIM_Prescaler = 0 and TIM_ClockDivision = 0.Is there anything else that could increa...
Posted on November 16, 2013 at 19:21So far from the help here (mainly clive1) I got my timers running, GPIO initialized and some demo code running. The device I am trying to control is not recognizing the data I am trying to send to it so I dug a l...
Posted on November 16, 2013 at 17:31to be migrated, sourceId: 35463:697285D7-A9CA-445D-B16C-F23BF0E3B1A3 #stm32f4
Posted on November 16, 2013 at 17:00I read in system_stm32f4xx.c that after reset, sysclk is 168MHz. I want to creat a function delay 1s.void Delay(void) { uint32_t i; for(i=0; i<0xA037A00; ++i) // A037A00 = 168.000.000 { } }.Who can explain fo...
Posted on November 16, 2013 at 05:57 #define SYS_CLK 24000000 /* in this example we use SPEED_HIGH = 24 MHz */ #define DELAY_TIM_FREQUENCY 1000000 /* = 1MHZ -> timer runs in microseconds */ /* Enable timer clock - use TIMER5 */ RCC_APB1PeriphC...
Posted on November 15, 2013 at 02:58hello,I have a problem about the stm32f103rb. According to the RM0008 reference manual downloaded in your website, I find the description of slave select(NSS) pin management. So the NSS signal can be driven high...
Posted on November 16, 2013 at 00:20The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on November 15, 2013 at 19:30The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on November 13, 2013 at 13:07Hi everyone, I'm currently working on a musical (using midi) project on which i need very precise delay in order to synchronise with other instruments. This delay should be able to be accurate at 1 microsecond. Fo...
Posted on November 12, 2013 at 15:54 Hello, I'm coding a real time system based on STM32F427 requiring a lot of ressources and using almost all peripherials (ADC, DAC, SPI, I2aC, USART, USB, SDIO). This is why I want to reduce the ressou...
