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some weird behaviour with the NRF not toggling the reset pin correctly

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This commit is contained in:
Ben Kyd
2023-06-23 23:38:36 +01:00
parent 28728f90e5
commit e42048b369
2 changed files with 1882 additions and 27221 deletions
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28
src/main.c
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@@ -5,14 +5,17 @@
#include <zephyr/drivers/gpio.h> #include <zephyr/drivers/gpio.h>
#include <zephyr/drivers/spi.h> #include <zephyr/drivers/spi.h>
#include "nrf_gpio.h"
/* 1000 msec = 1 sec */ /* 1000 msec = 1 sec */
#define SLEEP_TIME_MS 100 #define SLEEP_TIME_MS 100
/* The devicetree node identifier for the "led0" alias. */ /* The devicetree node identifier for the "led0" alias. */
#define LED0_NODE DT_ALIAS(led0) #define LED0_NODE DT_ALIAS(led0)
#define SPI_MASTER DT_NODELABEL(spi_master) #define SPI_MASTER DT_NODELABEL(spi_master)
#define RST_PAPER NRF_GPIO_PIN_MAP(0, 4)
// SPI // SPI
const struct device *spi_dev; const struct device *spi_dev;
static struct k_poll_signal spi_done_sig = K_POLL_SIGNAL_INITIALIZER(spi_done_sig); static struct k_poll_signal spi_done_sig = K_POLL_SIGNAL_INITIALIZER(spi_done_sig);
@@ -77,41 +80,28 @@ static int spi_write_buf(uint8_t* buf, int len) {
} }
} }
/*
* A build error on this line means your board is unsupported.
* See the sample documentation for information on how to fix this.
*/
static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios); static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios);
void main(void) void main(void)
{ {
int ret;
if (!device_is_ready(led.port)) { if (!device_is_ready(led.port)) {
return; return;
} }
ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE); int ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
ret += nrf_gpio_cfg_output(RST_PAPER);
if (ret < 0) { if (ret < 0) {
return; return;
} }
spi_init(); spi_init();
gpio_pin_set_dt(&rst, 0);
k_msleep(SLEEP_TIME_MS); k_msleep(SLEEP_TIME_MS);
gpio_pin_set_dt(&rst, 1);
k_msleep(SLEEP_TIME_MS);
spi_write_8(0x12); spi_write_8(0x12);
k_msleep(SLEEP_TIME_MS);
spi_write_8(0x46);
spi_write_8(0xF7);
k_msleep(SLEEP_TIME_MS);
spi_write_8(0x47);
spi_write_8(0xF7);
k_msleep(SLEEP_TIME_MS); k_msleep(SLEEP_TIME_MS);
while (1) { while (1) {

29075
zephyr.hex
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