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WiringPi/wiringPi/wiringCPi.c
cuu f06b33c66b apply a06 patch
2021-08-23 15:30:36 +08:00

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18 KiB
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#include "wiringPi.h"
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "wiringCPi.h"
#include <stdarg.h>
#include <stdlib.h>
#include <ctype.h>
#include <poll.h>
#include <errno.h>
#include <time.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <limits.h>
#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
{-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,},//PI
{-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,},//PJ
{-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,},//PK
{-1,-1, 2, 3,-1,-1,-1,-1, 8,-1,10,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,},//PL
};
#endif
#ifdef CONFIG_CLOCKWORKPI_A06
int bcmToGpioCPi[64] =
{
106, 107, // 0, 1
104, 10, // 2, 3
3, 9, // 4 5
4, 90, // 6, 7
92, 158, // 8, 9
156, 105, //10,11
146, 150, //12,13
81, 80, //14,15
82, 83, //16,17
131, 132, //18,19
134, 135, //20,21
89, 88, //22,23
84, 85, //24,25
86, 87, //26,27
112, 113, //28,29
109, 157, //30,31
148, 147, //32,33
100, 101, //34,35
102, 103, //36,37
97, 98, //38,39
99, 96, //40,41
110, 111, //42,43
64, 65, //44,45
-1, -1, //46,47
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,// ... 63
};
int CPI_PIN_MASK[5][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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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,},//PD
};
volatile uint32_t *cru_base;
volatile uint32_t *grf_base;
volatile uint32_t *pmugrf_base;
volatile uint32_t *pmucru_base;
volatile uint32_t *gpio0_base;
volatile uint32_t *gpio1_base;
volatile uint32_t *gpio2_base;
volatile uint32_t *gpio3_base;
volatile uint32_t *gpio4_base;
#endif
static unsigned int readR(unsigned int addr)
{
#ifdef CONFIG_CLOCKWORKPI_A06
unsigned int val = 0;
unsigned int mmap_base = (addr & ~MAP_MASK);
unsigned int mmap_seek = (addr - mmap_base);
if(mmap_base == CRU_BASE)
val = *((unsigned int *)((unsigned char *)cru_base + mmap_seek));
else if(mmap_base == GRF_BASE)
val = *((unsigned int *)((unsigned char *)grf_base + mmap_seek));
else if(mmap_base == PMUCRU_BASE)
val = *((unsigned int *)((unsigned char *)pmucru_base + mmap_seek));
else if(mmap_base == PMUGRF_BASE)
val = *((unsigned int *)((unsigned char *)pmugrf_base + mmap_seek));
else if(mmap_base == GPIO0_BASE)
val = *((unsigned int *)((unsigned char *)gpio0_base + mmap_seek));
else if(mmap_base == GPIO1_BASE)
val = *((unsigned int *)((unsigned char *)gpio1_base + mmap_seek));
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);
if(mmap_base == CRU_BASE)
*((unsigned int *)((unsigned char *)cru_base + mmap_seek)) = val;
else if(mmap_base == GRF_BASE)
*((unsigned int *)((unsigned char *)grf_base + mmap_seek)) = val;
else if(mmap_base == PMUCRU_BASE)
*((unsigned int *)((unsigned char *)pmucru_base + mmap_seek)) = val;
else if(mmap_base == PMUGRF_BASE)
*((unsigned int *)((unsigned char *)pmugrf_base + mmap_seek)) = val;
else if(mmap_base == GPIO0_BASE)
*((unsigned int *)((unsigned char *)gpio0_base + mmap_seek)) = val;
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;
#ifdef CONFIG_CLOCKWORKPI_A06
unsigned int grf_phyaddr = 0, ddr_phyaddr = 0;
int offset = ((index - ((index >> 3) << 3)));
if(bank == 0){
grf_phyaddr = PMUGRF_BASE + ((index >> 3) << 2);
ddr_phyaddr = GPIO0_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 1){
grf_phyaddr = PMUGRF_BASE + ((index >> 3) << 2) + 0x10;
ddr_phyaddr = GPIO1_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 2){
grf_phyaddr = GRF_BASE + ((index >> 3) << 2);
ddr_phyaddr = GPIO2_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 3){
grf_phyaddr = GRF_BASE + ((index >> 3) << 2) +0x10;
ddr_phyaddr = GPIO3_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 4){
grf_phyaddr = GRF_BASE + ((index >> 3) << 2) +0x20;
ddr_phyaddr = GPIO4_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
if (CPI_PIN_MASK[bank][index] != -1) {
regval = readR(grf_phyaddr);
mode = (regval >> (offset << 1)) & 0x3;
if(mode == 0){
regval = readR(ddr_phyaddr);
return (regval >> index) & 1;
}
return mode + 1;
}
#elif (defined CONFIG_CLOCKWORKPI_A04)
int offset = ((index - ((index >> 3) << 3)) << 2);
if (bank == 11) {
phyaddr = GPIOL_BASE + ((index >> 3) << 2);
}
else
phyaddr = GPIO_BASE_MAP + (bank * 36) + ((index >> 3) << 2);
/* Ignore unused gpio */
if (CPI_PIN_MASK[bank][index] != -1) {
regval = readR(phyaddr);
mode = (regval >> offset) & 7;
}
return mode;
#endif
}
/*
* Set GPIO Mode
*/
int CPi_set_gpio_mode(int pin, int mode)
{
unsigned int regval = 0;
unsigned int bank = pin >> 5;
unsigned int index = pin - (bank << 5);
unsigned int phyaddr = 0;
#ifdef CONFIG_CLOCKWORKPI_A06
int offset = ((index - ((index >> 3) << 3)));
unsigned int cru_phyaddr, grf_phyaddr, gpio_phyaddr;
#elif (defined CONFIG_CLOCKWORKPI_A04)
int offset = ((index - ((index >> 3) << 3)) << 2);
if (bank == 11) {
phyaddr = GPIOL_BASE + ((index >> 3) << 2);
} else {
phyaddr = GPIO_BASE_MAP + (bank * 36) + ((index >> 3) << 2);
}
#endif
#ifdef CONFIG_CLOCKWORKPI_A06
if(bank == 0){
cru_phyaddr = PMUCRU_BASE + PMUCRU_CLKGATE_CON1_OFFSET;
grf_phyaddr = PMUGRF_BASE + ((index >> 3) << 2);
gpio_phyaddr = GPIO0_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 1){
cru_phyaddr = PMUCRU_BASE + PMUCRU_CLKGATE_CON1_OFFSET;
grf_phyaddr = PMUGRF_BASE + ((index >> 3) << 2) + 0x10;
gpio_phyaddr = GPIO1_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 2){
cru_phyaddr = CRU_BASE + CRU_CLKGATE_CON31_OFFSET;
grf_phyaddr = GRF_BASE + ((index >> 3) << 2);
gpio_phyaddr = GPIO2_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 3){
cru_phyaddr = CRU_BASE + CRU_CLKGATE_CON31_OFFSET;
grf_phyaddr = GRF_BASE + ((index >> 3) << 2) +0x10;
gpio_phyaddr = GPIO3_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
else if(bank == 4){
cru_phyaddr = CRU_BASE + CRU_CLKGATE_CON31_OFFSET;
grf_phyaddr = GRF_BASE + ((index >> 3) << 2) +0x20;
gpio_phyaddr = GPIO4_BASE + GPIO_SWPORTA_DDR_OFFSET;
}
#endif
if (CPI_PIN_MASK[bank][index] != -1) {
#ifdef CONFIG_CLOCKWORKPI_A04
regval = readR(phyaddr);
if (wiringPiDebug)
printf("Before read reg val: 0x%x offset:%d\n",regval,offset);
#endif
if (wiringPiDebug)
printf("Register[%#x]: %#x index:%d\n", phyaddr, regval, index);
/* Set Input */
if (INPUT == mode) {
#ifdef CONFIG_CLOCKWORKPI_A06
writeR(0xffff0180, cru_phyaddr);
regval = readR(grf_phyaddr);
regval |= 0x3 << ((offset << 1) | 0x10);
regval &= ~(0x3 << (offset << 1));
writeR(regval, grf_phyaddr);
regval = readR(gpio_phyaddr);
regval &= ~(1 << index);
writeR(regval, gpio_phyaddr);
if (wiringPiDebug){
regval = readR(gpio_phyaddr);
printf("Input mode set over reg val: %#x\n",regval);
}
#else
regval &= ~(7 << offset);
writeR(regval, phyaddr);
regval = readR(phyaddr);
if (wiringPiDebug)
printf("Input mode set over reg val: %#x\n",regval);
#endif
} else if (OUTPUT == mode) { /* Set Output */
#ifdef CONFIG_CLOCKWORKPI_A06
writeR(0xffff0180, cru_phyaddr);
regval = readR(grf_phyaddr);
regval |= 0x3 << ((offset << 1) | 0x10);
regval &= ~(0x3 << (offset << 1));
writeR(regval, grf_phyaddr);
regval = readR(gpio_phyaddr);
regval |= 1 << index;
writeR(regval, gpio_phyaddr);
if (wiringPiDebug){
regval = readR(gpio_phyaddr);
printf("Out mode get value: 0x%x\n",regval);
}
#else
regval &= ~(7 << offset);
regval |= (1 << offset);
if (wiringPiDebug)
printf("Out mode ready set val: 0x%x\n",regval);
writeR(regval, phyaddr);
regval = readR(phyaddr);
if (wiringPiDebug)
printf("Out mode get value: 0x%x\n",regval);
#endif
}else
printf("Unknow mode\n");
} else
printf("unused pin\n");
}
int CPi_set_gpio_alt(int pin, int mode)
{
#ifdef CONFIG_CLOCKWORKPI_A04
unsigned int regval = 0;
unsigned int bank = pin >> 5;
unsigned int index = pin - (bank << 5);
unsigned int phyaddr = 0;
int offset = ((index - ((index >> 3) << 3)) << 2);
if (bank == 11) {
phyaddr = GPIOL_BASE + ((index >> 3) << 2);
}else
phyaddr = GPIO_BASE_MAP + (bank * 36) + ((index >> 3) << 2);
/* Ignore unused gpio */
if (CPI_PIN_MASK[bank][index] != -1) {
if (wiringPiDebug)
printf("Register[%#x]: %#x index:%d\n", phyaddr, regval, index);
regval = readR(phyaddr);
regval &= ~(7 << offset);
regval |= (mode << offset);
writeR(regval, phyaddr);
} else
printf("Pin alt mode failed!\n");
#endif
return 0;
}
/*
* CPi Digital write
*/
void CPi_digitalWrite(int pin, int value)
{
unsigned int bank = pin >> 5;
unsigned int index = pin - (bank << 5);
unsigned int phyaddr = 0;
#ifdef CONFIG_CLOCKWORKPI_A06
unsigned int regval = 0;
unsigned int cru_phyaddr = 0;
#else
unsigned int regval = 0;
if (bank == 11) {
phyaddr = GPIOL_BASE + 0x10;
}
else
phyaddr = GPIO_BASE_MAP + (bank * 36) + 0x10;
#endif
#ifdef CONFIG_CLOCKWORKPI_A06
if(bank == 0){
phyaddr = GPIO0_BASE + GPIO_SWPORTA_DR_OFFSET;
cru_phyaddr = PMUCRU_BASE + PMUCRU_CLKGATE_CON1_OFFSET;
}
else if(bank == 1){
phyaddr = GPIO1_BASE + GPIO_SWPORTA_DR_OFFSET;
cru_phyaddr = PMUCRU_BASE + PMUCRU_CLKGATE_CON1_OFFSET;
}
else if(bank == 2){
phyaddr = GPIO2_BASE + GPIO_SWPORTA_DR_OFFSET;
cru_phyaddr = CRU_BASE + CRU_CLKGATE_CON31_OFFSET;
}
else if(bank == 3){
phyaddr = GPIO3_BASE + GPIO_SWPORTA_DR_OFFSET;
cru_phyaddr = CRU_BASE + CRU_CLKGATE_CON31_OFFSET;
}
else if(bank == 4){
phyaddr = GPIO4_BASE + GPIO_SWPORTA_DR_OFFSET;
cru_phyaddr = CRU_BASE + CRU_CLKGATE_CON31_OFFSET;
}
#endif
if (CPI_PIN_MASK[bank][index] != -1) {
#ifdef CONFIG_CLOCKWORKPI_A06
writeR(0xffff0180, cru_phyaddr);
#endif
if (wiringPiDebug)
printf("pin: %d, bank: %d, index: %d, phyaddr: 0x%x\n", pin, bank, index, phyaddr);
regval = readR(phyaddr);
if (wiringPiDebug)
printf("befor write reg val: 0x%x,index:%d\n", regval, index);
if(0 == value) {
regval &= ~(1 << index);
writeR(regval, phyaddr);
regval = readR(phyaddr);
if (wiringPiDebug)
printf("LOW val set over reg val: 0x%x\n", regval);
} else {
regval |= (1 << index);
writeR(regval, phyaddr);
regval = readR(phyaddr);
if (wiringPiDebug)
printf("HIGH val set over reg val: 0x%x\n", regval);
}
} else
printf("unused pin\n");
}
/*
* CPi Digital Read
*/
int CPi_digitalRead(int pin)
{
int bank = pin >> 5;
int index = pin - (bank << 5);
int val;
#ifdef CONFIG_CLOCKWORKPI_A04
unsigned int phyaddr;
if (bank == 11) {
phyaddr = GPIOL_BASE + 0x10;
} else {
phyaddr = GPIO_BASE_MAP + (bank * 36) + 0x10;
}
#endif
#ifdef CONFIG_CLOCKWORKPI_A06
unsigned int phyaddr;
if(bank == 0)
phyaddr = GPIO0_BASE + GPIO_EXT_PORTA_OFFSET;
else if(bank == 1)
phyaddr = GPIO1_BASE + GPIO_EXT_PORTA_OFFSET;
else if(bank == 2)
phyaddr = GPIO2_BASE + GPIO_EXT_PORTA_OFFSET;
else if(bank == 3)
phyaddr = GPIO3_BASE + GPIO_EXT_PORTA_OFFSET;
else if(bank == 4)
phyaddr = GPIO4_BASE + GPIO_EXT_PORTA_OFFSET;
#endif
if (CPI_PIN_MASK[bank][index] != -1) {
val = readR(phyaddr);
val = val >> index;
val &= 1;
if (wiringPiDebug)
printf("Read reg val: 0x%#x, bank:%d, index:%d\n", val, bank, index);
return val;
}
return 0;
}
int CPiSetup(int fd)
{
#ifdef CONFIG_CLOCKWORKPI_A04
#elif defined(CONFIG_CLOCKWORKPI_A06)
gpio0_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, GPIO0_BASE);
if ((int32_t)(unsigned long)gpio0_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (GPIO0_BASE) failed: %s\n", strerror(errno));
gpio1_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, GPIO1_BASE);
if ((int32_t)(unsigned long)grf_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (GPIO1_BASE) failed: %s\n", strerror(errno));
gpio2_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, GPIO2_BASE);
if ((int32_t)(unsigned long)gpio2_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (GPIO2_BASE) failed: %s\n", strerror(errno));
gpio3_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, GPIO3_BASE);
if ((int32_t)(unsigned long)gpio3_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (GPIO3_BASE) failed: %s\n", strerror(errno));
gpio4_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, GPIO4_BASE);
if ((int32_t)(unsigned long)gpio4_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (GPIO4_BASE) failed: %s\n", strerror(errno));
cru_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, CRU_BASE);
if ((int32_t)(unsigned long)cru_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (CRU_BASE) failed: %s\n", strerror(errno));
pmucru_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, PMUCRU_BASE);
if ((int32_t)(unsigned long)pmucru_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (PMUCRU_BASE) failed: %s\n", strerror(errno));
grf_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, GRF_BASE);
if ((int32_t)(unsigned long)grf_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (GRF_BASE) failed: %s\n", strerror(errno));
pmugrf_base = (uint32_t *)mmap(0, BLOCK_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, PMUGRF_BASE);
if ((int32_t)(unsigned long)pmugrf_base == -1)
return wiringPiFailure(WPI_ALMOST, "wiringPiSetup: mmap (PMUGRF_BASE) failed: %s\n", strerror(errno));
#endif
wpimode = WPI_MODE_BCM;
}
void CPiSetupRaw(void)
{
wpimode = WPI_MODE_RAW;
}
void CPiPinMode(int pin, int mode)
{
if (wiringPiDebug)
printf("CPiPinMode: pin:%d,mode:%d\n", pin, mode);
if (pin >= GPIO_NUM) {
printf("CPiPinMode: invaild pin:%d\n", pin);
return;
}
if (wpimode == WPI_MODE_BCM) {
if(pin >= sizeof(bcmToGpioCPi)/sizeof(bcmToGpioCPi[0])) {
printf("CPiPinMode: invaild pin:%d\n", pin);
return;
}
pin = bcmToGpioCPi[pin];
}
CPi_set_gpio_mode(pin, mode);
}
void CPiDigitalWrite(int pin, int value)
{
if (wiringPiDebug)
printf("CPiDigitalWrite: pin:%d,value:%d\n", pin, value);
if (pin >= GPIO_NUM) {
printf("CPiDigitalWrite: invaild pin:%d\n", pin);
return;
}
if (wpimode == WPI_MODE_BCM) {
if(pin >= sizeof(bcmToGpioCPi)/sizeof(bcmToGpioCPi[0])) {
printf("CPiDigitalWrite: invaild pin:%d\n", pin);
return;
}
pin = bcmToGpioCPi[pin];
}
CPi_digitalWrite(pin, value);
}
int CPiDigitalRead(int pin)
{
int value;
if (pin >= GPIO_NUM) {
printf("CPiDigitalRead: invaild pin:%d\n", pin);
return -1;
}
if (wpimode == WPI_MODE_BCM) {
if(pin >= sizeof(bcmToGpioCPi)/sizeof(bcmToGpioCPi[0])) {
printf("CPiDigitalRead: invaild pin:%d\n", pin);
return -1;
}
pin = bcmToGpioCPi[pin];
}
value = CPi_digitalRead(pin);
if (wiringPiDebug)
printf("CPiDigitalRead: pin:%d,value:%d\n", pin, value);
return value;
}
void pinModeAltCP(int pin, int mode)
{
}
void CPiBoardId (int *model, int *rev, int *mem, int *maker, int *warranty)
{
#ifdef CONFIG_CLOCKWORKPI_A04
*model = CPI_MODEL_A04;
*rev = PI_VERSION_1;
*mem = 3;
*maker = 3;
#elif defined(CONFIG_CLOCKWORKPI_A06)
*model = CPI_MODEL_A06;
*rev = PI_VERSION_1;
*mem = 4;
*maker = 3;
#endif
}
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