brendanhaines/mellifera_firmware
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add pressure sensor. Only reading once though
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This commit is contained in:
Brendan Haines
2024-04-23 23:55:27 -06:00
parent 6d42a445de
commit a02a1c2641
2 changed files with 34 additions and 11 deletions
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31
app/src/main.c
View File

@ -81,7 +81,7 @@ int main(void)
cfb_set_kerning(dev, 3); cfb_set_kerning(dev, 3);
const struct device *ina; const struct device *ina, *bmp;
ina = DEVICE_DT_GET(DT_NODELABEL(ina231)); ina = DEVICE_DT_GET(DT_NODELABEL(ina231));
if (!device_is_ready(dev)) if (!device_is_ready(dev))
@ -90,11 +90,20 @@ int main(void)
return 0; return 0;
} }
bmp = DEVICE_DT_GET(DT_NODELABEL(bmp388));
if (!device_is_ready(dev))
{
printf("Device %s not ready\n", bmp->name);
return 0;
}
while (1) while (1)
{ {
int ret; int ret;
struct sensor_value voltage, current, pressure;
char str_v[15] = {0}; char str_v[15] = {0};
char str_i[15] = {0}; char str_i[15] = {0};
char str_p[15] = {0};
ret = sensor_sample_fetch(ina); ret = sensor_sample_fetch(ina);
if (ret < 0) if (ret < 0)
@ -103,7 +112,6 @@ int main(void)
return 0; return 0;
} }
struct sensor_value voltage, current;
ret = sensor_channel_get(ina, SENSOR_CHAN_VOLTAGE, &voltage); ret = sensor_channel_get(ina, SENSOR_CHAN_VOLTAGE, &voltage);
if (ret < 0) if (ret < 0)
{ {
@ -117,10 +125,18 @@ int main(void)
return 0; return 0;
} }
sprintf(str_v, "V:%d.%06d", voltage.val1, voltage.val2); ret = sensor_sample_fetch(bmp);
sprintf(str_i, "I:%d.%06d", current.val1, current.val2); if (ret < 0)
{
LOG_ERR("Could not fetch sample (%d)", ret);
return 0;
}
printf("%s\t%s\n", str_v, str_i); sprintf(str_v, "V:%01d.%06d", voltage.val1, voltage.val2);
sprintf(str_i, "I:%01d.%06d", current.val1, current.val2);
sprintf(str_p, "P:%05d.%02d", pressure.val1, pressure.val2 / 10000);
printf("%s\t%s\t%s\n", str_v, str_i, str_p);
cfb_framebuffer_clear(dev, false); cfb_framebuffer_clear(dev, false);
if (cfb_print(dev, str_v, 0, 0)) if (cfb_print(dev, str_v, 0, 0))
@ -133,6 +149,11 @@ int main(void)
printf("Failed to print a string\n"); printf("Failed to print a string\n");
continue; continue;
} }
if (cfb_print(dev, str_p, 0, 32))
{
printf("Failed to print a string\n");
continue;
}
cfb_framebuffer_finalize(dev); cfb_framebuffer_finalize(dev);
#if defined(CONFIG_ARCH_POSIX) #if defined(CONFIG_ARCH_POSIX)

14
boards/bh/mellifera_rev1/mellifera_rev1.dts
View File

@ -95,12 +95,6 @@
label = "Interrupt 5 from BMX055 9-DOF"; label = "Interrupt 5 from BMX055 9-DOF";
zephyr,code = <INPUT_KEY_0>; zephyr,code = <INPUT_KEY_0>;
}; };
int_baro: int_baro {
gpios = <&gpio0 27 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Interrupt from BMP388 barometer";
zephyr,code = <INPUT_KEY_0>;
};
}; };
@ -161,6 +155,14 @@
rshunt-micro-ohms = <50000>; rshunt-micro-ohms = <50000>;
adc-mode = "Bus and shunt voltage continuous"; adc-mode = "Bus and shunt voltage continuous";
}; };
bmp388: bmp388@76 {
compatible = "bosch,bmp388";
reg = <0x76>;
int-gpios = <&gpio0 27 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
odr = "1.563";
osr-press = <1>;
};
}; };
&spi1 { &spi1 {