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multi-app based on nrf52sdk

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This commit is contained in:
Thomas Klaehn
2020-03-12 15:30:53 +01:00
parent df2d84dee1
commit 3a31e2bcb9
18 changed files with 3567 additions and 595 deletions
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82
src/platform/nrf52/gpio.c
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@@ -1,82 +0,0 @@
#include <assert.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
#include "platform/narf52/narf52.h"
#include "platform/narf52/narf52_gpio.h"
#include "gpio.h"
int gpio_open(const struct driver *drv)
{
assert(NULL != drv);
int res = -1;
struct narf52_gpio *this = (struct narf52_gpio *)(drv->dev);
struct narf52_gpio_type *reg = (struct narf52_gpio_type *)NARF_P0_BASE;
reg->PIN_CNF[this->pin_number] = ((uint32_t)(this->dir) << 0)
| ((uint32_t)(this->input) << 1)
| ((uint32_t)(this->pull) << 2)
| ((uint32_t)(this->drive) << 8)
| ((uint32_t)(this->sense) << 16);
return res;
}
int gpio_close(const struct driver *drv)
{
assert(NULL != drv);
int res = -1;
struct gpio *this = (struct gpio *)(drv->dev);
this = this;
return res;
}
int gpio_read(const struct driver *drv, char *buffer, unsigned int len)
{
assert((NULL != drv) && (buffer != NULL));
if(len == 0) {
return 0;
}
struct narf52_gpio *this = (struct narf52_gpio *)(drv->dev);
struct narf52_gpio_type *reg = (struct narf52_gpio_type *)NARF_P0_BASE;
uint32_t state = ((reg->IN) >> (this->pin_number) & 1UL);
if(state) {
buffer[0] = 0x31;
} else {
buffer[0] = 0x30;
}
return 1;
}
int gpio_write(const struct driver *drv, const char *buffer, unsigned int len)
{
assert((NULL != drv) && (buffer != NULL));
if(len == 0) {
return 0;
}
struct narf52_gpio *this = (struct narf52_gpio *)(drv->dev);
struct narf52_gpio_type *reg = (struct narf52_gpio_type *)NARF_P0_BASE;
if(buffer[0] != 0x30) {
reg->OUTSET = 1 << (this->pin_number);
} else {
reg->OUTCLR = 1 << (this->pin_number);
}
return 1;
}
int gpio_ioctl(const struct driver *drv, unsigned int cmd, unsigned int argc, va_list args)
{
assert(drv != 0);
int res = -1;
struct gpio *this = (struct gpio *)(drv->dev);
this = this;
return res;
}