salfter/ch32v003fun
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

trying to get GPIOA to work

Browse Source
This commit is contained in:
Scott Alfter
2023-11-27 08:49:26 -08:00
parent 11fc011a96
commit 512c201e1c
3 changed files with 19 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
examples/GPIO/GPIO.c
View File

@@ -1,9 +1,9 @@
// 2023-06-26 recallmenot
#define DEMO_GPIO_blink 1
#define DEMO_GPIO_blink_port 0
#define DEMO_GPIO_blink 0
#define DEMO_GPIO_blink_port 0
#define DEMO_GPIO_out 0
#define DEMO_GPIO_in_btn 0
#define DEMO_GPIO_in_btn 1
#define DEMO_ADC_bargraph 0
#define DEMO_PWM_dayrider 0

15
examples/blink/blink.c
View File

@@ -6,7 +6,18 @@ int main()
SystemInit();
// Enable GPIOs
RCC->APB2PCENR |= RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOC;
RCC->APB2PCENR |= RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO;
// enable GPIO on A1 and A2
//AFIO->PCFR1 &= ~GPIO_Remap_PA1_2;
// GPIO A1 Push-Pull
GPIOA->CFGLR &= ~(0xf<<(4*1));
GPIOA->CFGLR |= (GPIO_Speed_10MHz | GPIO_CNF_OUT_PP)<<(4*1);
// GPIO A2 Push-Pull
GPIOA->CFGLR &= ~(0xf<<(4*2));
GPIOA->CFGLR |= (GPIO_Speed_10MHz | GPIO_CNF_OUT_PP)<<(4*2);
// GPIO D0 Push-Pull
GPIOD->CFGLR &= ~(0xf<<(4*0));
@@ -28,9 +39,11 @@ int main()
{
GPIOD->BSHR = (1<<0) | (1<<4) | (1<<6); // Turn on GPIOs
GPIOC->BSHR = (1<<0);
GPIOA->BSHR=(1<<1) | (1<<2);
Delay_Ms( 250 );
GPIOD->BSHR = (1<<16) | (1<<(16+4)) | (1<<(16+6)); // Turn off GPIOs
GPIOC->BSHR = (1<<16);
GPIOA->BSHR=(1<<(16+1)) | (1<<(16+2));
Delay_Ms( 250 );
}
}

4
examples/tim1_pwm/tim1_pwm.c
View File

@@ -130,12 +130,12 @@ int main()
for (int i=0; i<256; i++)
{
t1pwm_setpw(0, i);
Delay_Ms(5);
Delay_Ms(2);
}
for (int i=254; i>0; i--)
{
t1pwm_setpw(0, i);
Delay_Ms(5);
Delay_Ms(2);
}
}
}