Source for WiringPi library with A04 support?

gougou · February 16, 2022, 4:28pm

I have been tinkering around trying to run ArchLinux ARM on the device, and while I succeded running base system running the same image from Armbian. Long story short, it uses a bit older glib version (2.32) and I can’t use the library on it, this poses problem with fan daemon (so I have to workaround by directly using sysfs for now) and thermal printer. Current library version in DevTerm repository as well as WiringPi fork (a06 patc) seem to have some rudimentary a04 code but register mapping is wrong an no actial register manipulation is done.

TL;DR @guu is it possible to push patch with a04 support to github?

guu · February 17, 2022, 12:51pm

it seems this is the code
but I am not 100% sure , I have a mess with code management
sorry

gougou · February 23, 2022, 9:04am

I’m afraid it’s not. Code for reading and writing registers is empty for A04 model:

github.com

clockworkpi/DevTerm/blob/main/Code/devterm_wiringpi_cpi/wiringPi/wiringCPi.c#L167

      
        
            	else if(mmap_base == GPIO1_BASE)
            		*((unsigned int *)((unsigned char *)gpio1_base + mmap_seek)) = val;
            	else if(mmap_base == GPIO2_BASE)
            		*((unsigned int *)((unsigned char *)gpio2_base + mmap_seek)) = val;
            	else if(mmap_base == GPIO3_BASE)
            		*((unsigned int *)((unsigned char *)gpio3_base + mmap_seek)) = val;
            	else if(mmap_base == GPIO4_BASE)
            		*((unsigned int *)((unsigned char *)gpio4_base + mmap_seek)) = val;
            
            
#elif (defined CONFIG_CLOCKWORKPI_A04)
            
            
#endif
            }
            
            
int CPi_get_gpio_mode(int pin)
            {
            	unsigned int regval = 0;
            	unsigned int bank   = pin >> 5;
            	unsigned int index  = pin - (bank << 5);
            	unsigned int phyaddr = 0;
            	unsigned char mode = -1;

github.com

clockworkpi/DevTerm/blob/main/Code/devterm_wiringpi_cpi/wiringPi/wiringCPi.c#L135

      
        
            	else if(mmap_base == GPIO2_BASE)
            		val = *((unsigned int *)((unsigned char *)gpio2_base + mmap_seek));
            	else if(mmap_base == GPIO3_BASE)
            		val = *((unsigned int *)((unsigned char *)gpio3_base + mmap_seek));
            	else if(mmap_base == GPIO4_BASE)
            		val = *((unsigned int *)((unsigned char *)gpio4_base + mmap_seek));
            
            
	return val;
            
            
#elif (defined CONFIG_CLOCKWORKPI_A04)
            	uint32_t val = 0;
            	return val;
            #endif
            }
            
            
static void writeR(unsigned int val, unsigned int addr)
            {
            #ifdef CONFIG_CLOCKWORKPI_A06
            
            
	unsigned int mmap_base = (addr & ~MAP_MASK);
            	unsigned int mmap_seek = (addr - mmap_base);

And pin mapping is not defined either:

github.com

clockworkpi/DevTerm/blob/main/Code/devterm_wiringpi_cpi/wiringPi/wiringCPi.c#L32

      
        
            #include "softPwm.h"
            #include "softTone.h"
            
            

            
static int wpimode = -1 ;
            #define WPI_MODE_BCM 0
            #define WPI_MODE_RAW 1
            #define BLOCK_SIZE (4*1024)
            
            
#ifdef CONFIG_CLOCKWORKPI_A04
            
            
int CPI_PIN_MASK[12][32] =  //[BANK]  [INDEX]
            {
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PA
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PB
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PC
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,15,16,-1,18,-1,-1,21,22,23,24,25,26,-1,-1,-1,-1,-1,},//PD
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PE
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PF
            	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PG
            	{-1,-1,-1, 3, 4, 5, 6,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PH

guu · February 24, 2022, 6:55am

updated in develop branch

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Source for WiringPi library with A04 support?

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