This is the Linux app named gd32e230-lib whose latest release can be downloaded as gd32e230-lib.zip. It can be run online in the free hosting provider OnWorks for workstations.
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gd32e230-lib
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DESCRIPTION
GigaDevice GD32E230 startup code/peripheral library.
Use:
#define F_CPU 72000000
#include "gd32e230k8.h"
flash_64b(0); // 32-bit access
flash_pref(1); // prefetch on
flash_lat(2); // latency=2
// bus.prescalers
ahb_div(AHB_DIV_1);
apb1_div(APB1_DIV_1);
apb2_div(APB2_DIV_1);
hxtal_on(1); // HXTAL @ 8M
pll_on(1,0, 9); // PLL @ 72M = 8Mx9
sysclk_sel(SYSCLK_PLL); // SysCLK=PLL
// peripheral clocks
ahb_on(AHB_GPIOA | AHB_CRC);
apb1_on(APB1_TIM2 | APB1_TIM5);
apb2_on(APB2_ADC | APB2_TIM0);
// GPIO
pin_mo(GPIOA,1, MO_AF); // mode
pin_ot(GPIOA,1, OT_PP); // o.type
pin_os(GPIOA,1, OS_10M); // o.speed
pin_af(GPIOA,1, 4); // AF mode
// ADC
adc_on(ADC_RES_12B, ADC_AL_RIGHT, 0); // enable
adc_cal(); // calibrate
adc_iref_on(1); // Vref/Tref on
adc_trig(1, ADC_TRIG_SOFT); // soft trigger
adc_stime(17,ADC_239_5); // s.time
adc_chn(17); // Vref channel
adc_start(1); // start
while(!adc_ready()); // wait
int vcc = adc_vcc(adc_rd(), 1200); // VCC
Features
- gd32
- gd32e230
- startup
- library
This is an application that can also be fetched from https://sourceforge.net/projects/gd32e230-lib/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.
