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In this example we will create a simple flashing led example for the MINI STM32 board, I used this to test out a J-link from segger and also to try out the MikroC Pro for ARM IDE.
Here is a picture of the board, it is commonly found on many internet sites
Here is a schematic for the board, you can see 2 LEDs fitted to PA1 and PA2 these will flash on and off
Code
The code example was written in MikroC PRO for ARM, I used a J-link to program the MINI STM32 via the jtag connector. It will actually toggle all the I/O pins low and high
[codesyntax lang=”cpp”]
void main() { GPIO_Digital_Output(&GPIOA_BASE, _GPIO_PINMASK_ALL); // Set PORTA as digital output GPIO_Digital_Output(&GPIOB_BASE, _GPIO_PINMASK_ALL); // Set PORTB as digital output GPIO_Digital_Output(&GPIOC_BASE, _GPIO_PINMASK_ALL); // Set PORTC as digital output GPIO_Digital_Output(&GPIOD_BASE, _GPIO_PINMASK_ALL); // Set PORTD as digital output GPIO_Digital_Output(&GPIOE_BASE, _GPIO_PINMASK_ALL); // Set PORTE as digital output GPIOA_ODR = 0; GPIOB_ODR = 0; GPIOC_ODR = 0; GPIOD_ODR = 0; GPIOE_ODR = 0; while(1) { GPIOA_ODR = 0xff; GPIOB_ODR = 0xff; GPIOC_ODR = 0xff; GPIOD_ODR = 0xff; GPIOE_ODR = 0xff; Delay_ms(1000); GPIOA_ODR = 0; GPIOB_ODR = 0; GPIOC_ODR = 0; GPIOD_ODR = 0; GPIOE_ODR = 0; Delay_ms(1000); } }
[/codesyntax]
Links
MINI stm32 Core Board Supporting screen 320×240 with Touch Screen