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Radioberry-2.x
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Merge pull request #55 from paulh002/master 

kernel rpi6.6.y fix
pull/58/head
Johan 2024-03-16 13:18:25 +01:00 zatwierdzone przez GitHub
rodzic 10348ea790 3f11794a16
commit 9a57ad6083
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ID klucza GPG: B5690EEEBB952194
8 zmienionych plików z 188 dodań i 187 usunięć
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2
SBC/rpi-4/SoapyRadioberrySDR/CMakeLists.txt
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@ -29,7 +29,7 @@ if (NOT SoapySDR_FOUND)
message(WARNING "SoapySDR development files not found - skipping support")
return()
endif ()
set(CMAKE_CXX_STANDARD 14)
#include_directories(${MY_DEVICE_INCLUDE_DIRS})
SOAPY_SDR_MODULE_UTIL(
TARGET SoapyRadioberrySDR

1
SBC/rpi-4/SoapyRadioberrySDR/SoapyRadioberry.hpp
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@ -16,7 +16,6 @@
#define TX_MAX 4800
#define TX_MAX_BUFFER (TX_MAX * 8)
const int npackages = 4;
typedef enum radioberrysdrStreamFormat {
RADIOBERRY_SDR_CF32,

41
SBC/rpi-4/SoapyRadioberrySDR/SoapyRadioberryStreaming.cpp
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@ -6,6 +6,7 @@
#include <chrono>
#include <iostream>
#include <unistd.h>
#include <cmath>
#include "SoapyRadioberry.hpp"
void SoapyRadioberry::setSampleRate( const int direction, const size_t channel, const double rate ) {
@ -113,6 +114,7 @@ SoapySDR::Stream *SoapyRadioberry::setupStream(
if (format == SOAPY_SDR_CF32) {
SoapySDR_log(SOAPY_SDR_INFO, "Using format CF32.");
ptr->set_stream_format(RADIOBERRY_SDR_CF32);
mox = true;
}
else if(format == SOAPY_SDR_CS16 && direction == SOAPY_SDR_TX)
{
@ -158,7 +160,8 @@ int SoapyRadioberry::readStream(
const long timeoutUs )
{
int nr_samples, no_bytes, iq=0;
int npackages = numElems / 63;
void *buff_base = buffs[0];
float *target_buffer = (float *) buff_base;
int16_t *itarget_buffer = (int16_t *) buff_base;
@ -202,16 +205,11 @@ int SoapyRadioberry::readStream(
itarget_buffer[iq++] = (int16_t)(right_sample >> 8); // 16 bit sample
}
}
//printf("nr_samples %d sample: %d %d \n", nr_samples, left_sample, right_sample);
//printf("nr_samples %d sample: %f %f \n", nr_samples, (float)left_sample / 8388608.0, (float)right_sample / 8388608.0);
}
return (npackages * nr_samples); //return the number of IQ samples
}
union uTxBuffer
{
std::uint16_t i16TxBuffer[2];
unsigned char i8TxBuffer[4];
};
int SoapyRadioberry::writeStream(SoapySDR::Stream *stream, const void * const *buffs, const size_t numElems, int &flags, const long long timeNs, const long timeoutUs)
{
@ -222,16 +220,26 @@ int SoapyRadioberry::writeStream(SoapySDR::Stream *stream, const void * const *b
void const *buff_base = buffs[0];
float *target_buffer = (float *) buff_base;
int16_t *itarget_buffer = (int16_t *) buff_base;
uTxBuffer tx;
sdr_stream *ptr = (sdr_stream *)stream;
unsigned char i8TxBuffer[6];
if (ptr->get_stream_format() == RADIOBERRY_SDR_CF32)
{
for (int ii = 0; ii < numElems; ii++)
{
tx.i16TxBuffer[0] = (int16_t)(target_buffer[iq++] * 16384.0f);
tx.i16TxBuffer[1] = (int16_t)(target_buffer[iq++] * 16384.0f);
ret = write(fd_rb, &tx, 4 * sizeof(uint8_t));
const float gain = 8388608.0f;
int isample = target_buffer[iq] >= 0.0 ? (long)floor(target_buffer[iq] * gain + 0.5) : (long)ceil(target_buffer[iq] * gain - 0.5);
int qsample = target_buffer[iq + 1] >= 0.0 ? (long)floor(target_buffer[iq + 1] * gain + 0.5) : (long)ceil(target_buffer[iq + 1] * gain - 0.5);
//printf("nr_samples %d sample: %d %d \n", iq, isample,qsample );
i8TxBuffer[0] = isample >> 16;
i8TxBuffer[1] = isample >> 8;
i8TxBuffer[2] = qsample >> 16;
i8TxBuffer[3] = qsample >> 8;
ret = write(fd_rb, i8TxBuffer, 4);
iq++;
iq++;
}
}
if (ptr->get_stream_format() == RADIOBERRY_SDR_CS16)
@ -240,12 +248,11 @@ int SoapyRadioberry::writeStream(SoapySDR::Stream *stream, const void * const *b
for (int ii = 0; ii < numElems; ii++)
{
tx.i8TxBuffer[0] = (unsigned char)((itarget_buffer[j] & 0xff00) >> 8);
tx.i8TxBuffer[1] = (unsigned char)(itarget_buffer[j] & 0xff);
tx.i8TxBuffer[2] = (unsigned char)(((-1 * itarget_buffer[j + 1]) & 0xff00) >> 8);
tx.i8TxBuffer[3] = (unsigned char)((-1 * itarget_buffer[j + 1]) & 0xff);
ret = write(fd_rb, &tx, sizeof(uint32_t));
i8TxBuffer[0] = (unsigned char)((itarget_buffer[j] & 0xff00) >> 8);
i8TxBuffer[1] = (unsigned char)(itarget_buffer[j] & 0xff);
i8TxBuffer[2] = (unsigned char)(((itarget_buffer[j + 1]) & 0xff00) >> 8);
i8TxBuffer[3] = (unsigned char)((itarget_buffer[j + 1]) & 0xff);
ret = write(fd_rb, i8TxBuffer, 4);
j += 2;
}
}

2
SBC/rpi-4/device_driver/driver/Makefile
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@ -1,3 +1,5 @@
CCFLAGS += -Wcast-function-type
KERNEL_HEADERS=/lib/modules/$(shell uname -r)/build
obj-m := radioberry.o

220
SBC/rpi-4/device_driver/driver/radioberry.c
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@ -62,31 +62,19 @@ static struct mutex spi_mutex;
#include "radioberry_gateware.h"
#include "radioberry_firmware.h"
#define VERSION "94"
#define VERSION "95"
static DEFINE_MUTEX(radioberry_mutex);
static wait_queue_head_t rx_sample_queue;
#define DEVICE_NAME "radioberry"
#define DRIVER_NAME "radioberry"
#define CLASS_NAME "radioberry"
static int _nrx = 1;
static int majorNumber;
static struct class* radioberryCharClass = NULL;
static struct device* radioberryCharDevice = NULL;
#define SAMPLE_BYTES 512
static int _nrx = 1;
static unsigned int irqNumber;
static unsigned int gpioRxSamplesiPin = 25;
static irq_handler_t radioberry_irq_handler(unsigned int irq, void *dev_id, struct pt_regs *regs){
wake_up_interruptible(&rx_sample_queue);
return (irq_handler_t) IRQ_HANDLED;
}
static void firmware_load(char *firmware, int size) {
static void firmware_load(const char *firmware, int size) {
printk(KERN_INFO "inside %s function \n", __FUNCTION__);
u8 *buf = kmalloc(size + 1, GFP_KERNEL);
@ -120,14 +108,82 @@ static void loading_radioberry_gateware(struct device *dev) {
release_firmware(fw_entry);
}
ssize_t radioberry_read(struct file *flip, char *buf, size_t count, loff_t *pos) {
unsigned char rx_stream[SAMPLE_BYTES]={};
wait_event_interruptible(rx_sample_queue, (((*rpi_read_io) >> 25) & 1) != 0);
count = rxStream(_nrx, rx_stream);
if (copy_to_user((char *)buf, &rx_stream, count)) return -EFAULT;
return count;
ssize_t radioberry_read(struct file *flip, char *buf, size_t count, loff_t *pos){
unsigned char iqdata[SAMPLE_BYTES]={};
int nr_samples = (_nrx == 1)? 63 : (_nrx == 2)? 72: (_nrx ==3)? 75: (_nrx ==4)? 76: (_nrx ==5)? 75: (_nrx ==6)? 78: (_nrx ==7)? 77: 80;
uint32_t value = 0;
int s = 0, i = 0;
while ((((*rpi_read_io) >> 25) & 1) == 0)
udelay(100);
for (s = 0; s < nr_samples; s++) {
value = 0;
*rpi_set_io_high = (1<<RPI_RX_CLK);
value = *rpi_read_io;
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i++] |= (((value >> 5) & 1));
*rpi_set_io_low = (1<<RPI_RX_CLK);
value = *rpi_read_io;
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i++] |= (((value >> 5) & 1));
*rpi_set_io_high = (1<<RPI_RX_CLK);
value = *rpi_read_io;
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i++] |= (((value >> 5) & 1));
*rpi_set_io_low = (1<<RPI_RX_CLK);
value = *rpi_read_io;
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i++] |= (((value >> 5) & 1));
*rpi_set_io_high = (1<<RPI_RX_CLK);
value = *rpi_read_io;
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i++] |= (((value >> 5) & 1));
*rpi_set_io_low = (1<<RPI_RX_CLK);
value = *rpi_read_io;
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i++] |= (((value >> 5) & 1));
}
if (copy_to_user((char *)buf, &iqdata, nr_samples * 6)) return -EFAULT;
return nr_samples * 6;
}
static ssize_t radioberry_write(struct file *flip, const char *buf, size_t count, loff_t *pos) {
unsigned char tx_stream[4];
@ -150,7 +206,7 @@ static int radioberry_open(struct inode *inode, struct file *filep) {
return -EBUSY;
}
int *minor = (int *)kmalloc(sizeof(int), GFP_KERNEL);
int major = MAJOR(inode->i_rdev);
// not used int major = MAJOR(inode->i_rdev);
*minor = MINOR(inode->i_rdev);
filep->private_data = (void *)minor;
@ -195,7 +251,7 @@ static long radioberry_ioctl(struct file *fp, unsigned int cmd, unsigned long ar
if ((data[1] & 0xFE) == 0x00) lnrx = ((data[5] & 0x38) >> 3) + 1;
mutex_lock(&spi_mutex);
spiXfer(0, data, data, 6); //spi channel 0 // tell the gateware the command.
spiXfer(0,data, data, 6); //spi channel 0 // tell the gateware the command.
mutex_unlock(&spi_mutex);
_nrx = lnrx;
@ -230,9 +286,49 @@ static struct file_operations radioberry_fops = {
static int radioberry_probe(struct platform_device *pdev)
{
printk(KERN_INFO "inside %s function \n", __FUNCTION__);
struct device *dev = &pdev->dev;
return 0;
int result;
printk(KERN_INFO "inside %s function \n", __FUNCTION__);
if(!device_property_present(&pdev->dev, "rx-sample-gpio"))
{
printk("radioberry - Error! Device overlay property 'rx-sample-gpio' not found!\n");
return -1;
}
else
printk("radioberry - Device property 'rx-sample-gpio' found!\n");
// Dynamically allocate a major number for the device
majorNumber = register_chrdev(0, DEVICE_NAME, &radioberry_fops);
if (majorNumber<0){
printk(KERN_ALERT "Radioberry driver failed to register a major number\n");
return majorNumber;
}
printk(KERN_INFO "Radioberry: registered correctly with major number %d\n", majorNumber);
// Register the device class
radioberryCharClass = class_create(CLASS_NAME);
if (IS_ERR(radioberryCharClass)){
unregister_chrdev(majorNumber, DEVICE_NAME);
printk(KERN_ALERT "Failed to register device class\n");
return PTR_ERR(radioberryCharClass);
}
printk(KERN_INFO "Radioberry: device class registered correctly\n");
// Register the device driver
radioberryCharDevice = device_create(radioberryCharClass, NULL, MKDEV(majorNumber, 0), NULL, DEVICE_NAME);
if (IS_ERR(radioberryCharDevice)){
class_destroy(radioberryCharClass);
unregister_chrdev(majorNumber, DEVICE_NAME);
printk(KERN_ALERT "Failed to create the device\n");
return PTR_ERR(radioberryCharDevice);
}
printk(KERN_INFO "Radioberry char: device class created correctly\n");
mutex_init(&spi_mutex);
initialize_rpi();
loading_radioberry_gateware(radioberryCharDevice);
initialize_firmware();
return result;
}
static int radioberry_remove(struct platform_device *pdev)
@ -259,86 +355,18 @@ static struct platform_driver radioberry_driver = {
};
static int __init radioberry_init(void) {
int retval;
size_t size;
printk(KERN_INFO "inside %s function \n", __FUNCTION__);
printk(KERN_INFO "%s loading...\n", DRIVER_NAME);
int result = platform_driver_register(&radioberry_driver);
printk(KERN_INFO "platform driver registered %d \n", result);
// Dynamically allocate a major number for the device
majorNumber = register_chrdev(0, DEVICE_NAME, &radioberry_fops);
if (majorNumber<0){
printk(KERN_ALERT "Radioberry driver failed to register a major number\n");
return majorNumber;
}
printk(KERN_INFO "Radioberry: registered correctly with major number %d\n", majorNumber);
// Register the device class
radioberryCharClass = class_create(THIS_MODULE, CLASS_NAME);
if (IS_ERR(radioberryCharClass)){
unregister_chrdev(majorNumber, DEVICE_NAME);
printk(KERN_ALERT "Failed to register device class\n");
return PTR_ERR(radioberryCharClass);
}
printk(KERN_INFO "Radioberry: device class registered correctly\n");
// Register the device driver
radioberryCharDevice = device_create(radioberryCharClass, NULL, MKDEV(majorNumber, 0), NULL, DEVICE_NAME);
if (IS_ERR(radioberryCharDevice)){
class_destroy(radioberryCharClass);
unregister_chrdev(majorNumber, DEVICE_NAME);
printk(KERN_ALERT "Failed to create the device\n");
return PTR_ERR(radioberryCharDevice);
}
printk(KERN_INFO "Radioberry char: device class created correctly\n");
mutex_init(&radioberry_mutex);
init_waitqueue_head(&rx_sample_queue);
//configure irq.
gpio_request(gpioRxSamplesiPin, "sysfs");
gpio_direction_input(gpioRxSamplesiPin);
gpio_export(gpioRxSamplesiPin, false);
printk(KERN_INFO "Radioberry: The rx sample state is currently: %d\n", gpio_get_value(gpioRxSamplesiPin));
// GPIO numbers and IRQ numbers are not the same! This function performs the mapping for us
irqNumber = gpio_to_irq(gpioRxSamplesiPin);
printk(KERN_INFO "Radioberry: The rx samples pin is mapped to IRQ: %d\n", irqNumber);
// This next call requests an interrupt line
result = request_irq(irqNumber,
(irq_handler_t) radioberry_irq_handler,
IRQF_TRIGGER_RISING, // Interrupt on rising edge RQF_TRIGGER_RISING
"radioberry_rx_irq", // Used in /proc/interrupts to identify the owner
NULL);
printk(KERN_INFO "Radioberry: The interrupt request result is: %d\n", result);
mutex_init(&spi_mutex);
initialize_rpi();
loading_radioberry_gateware(radioberryCharDevice);
initialize_firmware();
printk(KERN_INFO "platform driver registered %d \n", result);
return result;
}
static void __exit radioberry_exit(void) {
int i;
dev_t devno;
dev_t devno_top;
printk(KERN_INFO "inside %s function \n", __FUNCTION__);
free_irq(irqNumber, NULL);
gpio_unexport(gpioRxSamplesiPin);
platform_driver_unregister(&radioberry_driver);
platform_driver_unregister(&radioberry_driver);
device_destroy(radioberryCharClass, MKDEV(majorNumber, 0));
class_unregister(radioberryCharClass);
class_destroy(radioberryCharClass);

33
SBC/rpi-4/device_driver/driver/radioberry.dts
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@ -19,32 +19,17 @@
*
*/
/dts-v1/;
/plugin/;
/{
compatible = "brcm,bcm2711";
fragment@0 {
target = <&gpio>;
__overlay__ {
radioberry_gpio: radioberry_gpio {
brcm,pins = <22 26 27 13 24>;
brcm,function = <0x00 0x00 0x01 0x01 0x01>; //0 =input; 1=output
};
};
};
fragment@1 {
target-path = "/";
__overlay__ {
radio: radio {
pinctrl-names = "default";
pinctrl-0 = <&radioberry_gpio>;
compatible = "sdr,radioberry";
gateware-gpios = <&gpio 22 0>, <&gpio 26 0>, <&gpio 27 0>, <&gpio 13 0>, <&gpio 24 0>;
};
};
};
fragment@0 {
target-path = "/";
__overlay__ {
radio {
compatible = "sdr,radioberry";
rx-sample-gpio = <&gpio 25 0>;
};
};
};
};

42
SBC/rpi-4/device_driver/driver/radioberry_firmware.h
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@ -35,9 +35,8 @@
#define SPI_LTOH 4
#define SPI_DC 5
#define SAMPLE_BYTES 512
static int initialize_firmware(void);
int rxStream(int nrx, unsigned char stream[]);
void read_iq_sample(int lnrx, int iqs, unsigned char iqdata[]);
int spiXfer(int spi_channel, char *txBuf, char *rxBuf, unsigned cnt);
int write_iq_sample(unsigned char tx_iqdata[]);
@ -126,45 +125,6 @@ int spiXfer(int spi_channel, char *txBuf, char *rxBuf, unsigned cnt){
return 0;
}
int rxStream(int nrx, unsigned char stream[]){
unsigned char iqdata[6];
int iqs = 1;
int nr_samples = (nrx == 1)? 63 : (nrx == 2)? 72: (nrx ==3)? 75: (nrx ==4)? 76: (nrx ==5)? 75: (nrx ==6)? 78: (nrx ==7)? 77: 80;
int s = 0;
for (s = 0; s < nr_samples; s++) {
read_iq_sample(nrx, iqs, iqdata);
memcpy(stream + (s * 6), iqdata, 6);
iqs++;
}
return nr_samples * 6;
}
void read_iq_sample(int lnrx, int iqs, unsigned char iqdata[]){
uint32_t value = 0;
int i = 0;
for (i = 0; i < 6 ; i++) {
if (i % 2 == 0) {
*rpi_set_io_high = (1<<RPI_RX_CLK);
value = *rpi_read_io;
} else {
*rpi_set_io_low = (1<<RPI_RX_CLK);
value = *rpi_read_io;
}
iqdata[i] = (((value >> 23) & 1) << 7);
iqdata[i] |= (((value >> 20) & 1) << 6);
iqdata[i] |= (((value >> 19) & 1) << 5);
iqdata[i] |= (((value >> 18) & 1) << 4);
iqdata[i] |= (((value >> 16) & 1) << 3);
iqdata[i] |= (((value >> 13) & 1) << 2);
iqdata[i] |= (((value >> 12) & 1) << 1);
iqdata[i] |= (((value >> 5) & 1));
}
}
int write_iq_sample(unsigned char tx_iqdata[]) {
unsigned char data[4];

34
SBC/rpi-4/releases/dev/radioberry_install.sh
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@ -35,8 +35,12 @@ install_dependency git
install_dependency device-tree-compiler
install_dependency pigpio
git clone --depth=1 https://github.com/pa3gsb/Radioberry-2.x
if [ -d "Radioberry-2.x" ]; then
DO_CLEANUP=false
else
DO_CLEANUP=true
git clone --depth=1 https://github.com/pa3gsb/Radioberry-2.x
fi
sudo systemctl stop radioberry
sudo systemctl disable radioberry
@ -72,6 +76,13 @@ echo "Installing Radioberry driver..."
#unregister radioberry driver
sudo modprobe -r radioberry
# new raspios uses /boot/firmware instead of /boot
if [ -d "/boot/firmware" ]; then
BOOT_PATH="/boot/firmware"
else
BOOT_PATH="/boot"
fi
if [ ! -d "/lib/modules/$(uname -r)/kernel/drivers/sdr" ]; then
sudo mkdir /lib/modules/$(uname -r)/kernel/drivers/sdr
@ -83,9 +94,9 @@ if [ $? -eq 0 ]; then
sudo cp radioberry.ko /lib/modules/$(uname -r)/kernel/drivers/sdr
sudo dtc -@ -I dts -O dtb -o radioberry.dtbo radioberry.dts
sudo cp radioberry.dtbo /boot/overlays
sudo cp radioberry.dtbo "$BOOT_PATH/overlays"
#add driver to config.txt
sudo grep -Fxq "dtoverlay=radioberry" /boot/config.txt || sudo sed -i '$ a dtoverlay=radioberry' /boot/config.txt
sudo grep -Fxq "dtoverlay=radioberry" "$BOOT_PATH/config.txt" || sudo sed -i '$ a dtoverlay=radioberry' "$BOOT_PATH/config.txt"
cd ../../../../..
@ -103,7 +114,10 @@ else
echo ""
echo "You are using a linux version without linux header files; choose an other distro."
sudo rm -rf Radioberry-2.x
if [ "$DO_CLEANUP" = true ]; then
echo "Cleaning up..."
sudo rm -rf Radioberry-2.x
fi
exit 1
fi
@ -128,7 +142,10 @@ else
echo ""
echo "Looking into the log and try to find out what is wrong."
sudo rm -rf Radioberry-2.x
if [ "$DO_CLEANUP" = true ]; then
echo "Cleaning up..."
sudo rm -rf Radioberry-2.x
fi
exit 1
fi
@ -147,7 +164,10 @@ cd ../../../../..
echo "Radioberry service installed."
#-----------------------------------------------------------------------------
sudo rm -rf Radioberry-2.x
if [ "$DO_CLEANUP" = true ]; then
echo "Cleaning up..."
sudo rm -rf Radioberry-2.x
fi
sudo systemctl enable radioberry
sudo systemctl start radioberry