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fmtx.c
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/*
* Low-Level API for FmStick transmitter
* $Id$
* (part of FmStick).
*
* (C) 2011 Serge <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define FMTX
#include <string.h>
#ifdef WIN32
#include <malloc.h>
#else
#include <stdlib.h>
#endif
#include "hidapi.h"
#include "fmtx.h"
#include "bitstream.h"
#include "logging.h"
#include "commanddefs.h"
#include "propertydefs.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#ifdef WIN32
#else
#include <sys/time.h>
#endif
#define FALSE 0
#define TRUE 1
typedef int BOOL;
//HID\VID_0451&PID_2100&REV_0101&MI_02
const unsigned short _usVID=0x0451; /*!< USB vendor ID. */
const unsigned short _usPID=0x2100; /*!< USB product ID. */
/* static vars */
EXTERN FMTX_MODE_ENUM fmtxCmdStatus;
EXTERN FMTX_SPECIAL_ENUM fmtxCmdSpecial;
eeprom_data fmtxCmdEEPROM;
static const char *si471x_requests[] = {
"NONE",
"CPU ID",
"Frontend Reset",
"Frontend Access",
"Get Property",
"Set Property",
"Frontend Power Status",
"Frontend Power Up",
"Frontend Power Down",
"Frontend Enable Audio",
"Frontend Disable Audio",
"EEPROM Read",
"EEPROM Write",
"unknown"
};
#define Si471xRequestStr(x) (x < RequestUnknown ? si471x_requests[x] : si471x_requests[RequestUnknown])
static const char *si471x_statuses[] = {
"OK",
"I2C Timeout",
"I2C Communication Error",
"Bad Argument",
"No CTS!",
"unknown"
};
#define Si471xStatusStr(x) (x < SI4711_ERROR_UNKNOWN ? si471x_statuses[x] : si471x_statuses[SI4711_ERROR_UNKNOWN])
static int16_t getDefaultProp(int16_t i16Prop);
/** \brief Open FMTX device.
* \return Pointer to the FMTX HID device or NULL if none found
*
* This function looks for FMTX devices connected to the computer and
* opens the first one found.
*/
static hid_device *fmtxOpen(void)
{
struct hid_device_info *phdi=NULL;
hid_device *phd=NULL;
char *pszPath=NULL;
#if 0
struct hid_device_info *devs, *cur_dev;
devs = hid_enumerate(0x0, 0x0);
printf("Devices %p\n", devs);
cur_dev = devs;
while (cur_dev) {
printf("Device Found\n type: %04hx %04hx\n path: %s\n serial_number: %ls", cur_dev->vendor_id, cur_dev->product_id, cur_dev->path, cur_dev->serial_number);
printf("\n");
printf(" Manufacturer: %ls\n", cur_dev->manufacturer_string);
printf(" Product: %ls\n", cur_dev->product_string);
printf(" Release: %hx\n", cur_dev->release_number);
printf(" Interface: %d\n", cur_dev->interface_number);
printf("\n");
cur_dev = cur_dev->next;
}
hid_free_enumeration(devs);
#endif
phdi=hid_enumerate(_usVID,_usPID);
if (phdi==NULL)
return NULL;
pszPath=strdup(phdi->path);
if (pszPath==NULL)
return NULL;
hid_free_enumeration(phdi);
phdi=NULL;
if ((phd=hid_open_path(pszPath)) == NULL)
{
free(pszPath);
pszPath=NULL;
return NULL;
}
free(pszPath);
pszPath=NULL;
return phd;
}
/** \brief Close FMTX HID device. */
static void fmtxClose(hid_device *phd)
{
hid_close(phd);
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppDeviceFound(void)
{
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
hid_device *phd=NULL;
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
fmtxClose(phd);
return FMTX_MODE_OK;
}
/** \brief Get FMTX mode.
* \return The current FMTX mode.
* \sa FMTX_MODE_ENUM
*/
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppFeGetMode(int *transmitting)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711PowerStatus;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711PowerStatus|RequestDone)) {
logwrite(LOG_DEBUG, "FMTX: %s FePoweredUp: %d, TxPoweredUp: %d", __FUNCTION__,
aucBufIn[2], aucBufIn[3]);
if(aucBufIn[2]) {
*transmitting = aucBufIn[3];
return FMTX_MODE_POWER_UP;
} else
return FMTX_MODE_POWER_DOWN;
}
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppFeUp(void)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711PowerUp;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_TRANSMITTING;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711PowerUp|RequestDone))
return FMTX_MODE_POWER_UP;
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppFeDown(void)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711PowerDown;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711PowerDown|RequestDone))
return FMTX_MODE_POWER_DOWN;
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppFeReset(void)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711Reset;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711Reset|RequestDone))
return FMTX_MODE_POWER_DOWN;
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppIdString(char *cpuid, char *rev)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
memset(cpuid, 0x00, 32);
memset(rev, 0x00, 32);
uint16_t rev_major = 0;
char *str = NULL;
int str_len = 0;
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestCpuId;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestCpuId|RequestDone)) {
//bReportOut:
// +-----------+-----------+--------------+---------+-------------+---------+---------------+
// | PCCommand | PCRequest | REV_MAJOR[2] | STR_LEN | REV_MINOR[] | STR_LEN | DEVICE_NAME[] |
// +-----------+-----------+--------------+---------+-------------+---------+---------------+
//print_bytes(LOG_ERROR, (char *) aucBufIn, 32);
rev_major = aucBufIn[2] << 8 | aucBufIn[3];
str_len = aucBufIn[4];
str = (char *) &aucBufIn[5];
print_bytes(LOG_DUMP, (char *) str, str_len);
if(str_len > 9) {
if(!strncmp(&str[str_len-3], " $", 2))
str[str_len-3] = '\0';
if(!strncmp(str, "$Rev: ", 6))
str+=6;
}
snprintf(rev, 32, "%d.%s", rev_major, str_len < 24 ? str : "");
str = (char *) &aucBufIn[4+str_len+1+1];
str_len = aucBufIn[4+str_len+1];
print_bytes(LOG_DUMP, (char *) str, str_len);
snprintf(cpuid, 32, "%s", str_len < 24 ? str : "");
return FMTX_MODE_OK;
}
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppEnableAudio(void)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711AudioEnable;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711AudioEnable|RequestDone)) {
//errcode 1=sr, 2=fmt
if(aucBufIn[2]!=SI4711_OK){
logwrite(LOG_ERROR, "USB: Error in %s", (aucBufIn[2]==1 ? "SR" : (aucBufIn[2]==3 ? "FMT" : "UNK")));
return FMTX_MODE_NONE;
}
return FMTX_MODE_OK;
}
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppDisableAudio(void)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711AudioDisable;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711AudioDisable|RequestDone)) {
//errcode 1=sr, 2=fmt
if(aucBufIn[2]!=SI4711_OK){
logwrite(LOG_ERROR, "USB: Error in %s", (aucBufIn[2]==1 ? "SR" : (aucBufIn[2]==3 ? "FMT" : "UNK")));
return FMTX_MODE_NONE;
}
return FMTX_MODE_OK;
}
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppAsqStatus(uint8_t *flags, int8_t *level)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
*flags = 0x00;
*level = -70;
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711AsqStatus;
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_POWER_DOWN;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711AsqStatus|RequestDone)) {
//errcode 1=sr, 2=fmt
if(aucBufIn[2]!=SI4711_OK){
logwrite(LOG_ERROR, "USB: Error in %s", (aucBufIn[2]==1 ? "SR" : (aucBufIn[2]==3 ? "FMT" : "UNK")));
return FMTX_MODE_NONE;
}
if(aucBufIn[3])
*flags |= TX_ASQ_STATUS_OUT_OVERMOD;
if(aucBufIn[4])
*flags |= TX_ASQ_STATUS_OUT_IALL;
if(aucBufIn[5])
*flags |= TX_ASQ_STATUS_OUT_IALH;
*level = aucBufIn[6];
return FMTX_MODE_OK;
}
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppEEPROMTuneStatus(uint16_t *freq, uint8_t *power, uint8_t *rfcap)
{
int i;
uint8_t *data =NULL;
/* getting from eeprom image */
for (i=0; i < fmtxCmdEEPROM.numCmds; i++){
data = &fmtxCmdEEPROM.commandData[i*FMTX_EEPROM_CMDSIZE];
if(data[0]==TX_TUNE_FREQ){
*freq =data[2] << 8 | data[3];
}
if(data[0]==TX_TUNE_POWER){
*power =data[3];
*rfcap =data[4];
}
}
return FMTX_MODE_OK;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppGetTuneStatus(uint16_t *freq, uint8_t *power, uint8_t *rfcap)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
*freq = 0;
*power = 0;
*rfcap = 0;
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(fmtxCmdSpecial == FMTX_SPECIAL_EEPROM) return fmtxIoAppEEPROMTuneStatus(freq, power, rfcap);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711TuneStatus;
logwrite(LOG_XTREME, "USB: Sending %d bytes:", 2);
print_bytes(LOG_DUMP, (char *) &aucBufOut[1], 2);
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
logwrite(LOG_XTREME, "USB: Received:");
print_bytes(LOG_DUMP, (char *) aucBufIn, 32);
/* first check status bytes then check which mode */
if (aucBufIn[0]==(PCTransfer | PCRequestError))
return FMTX_MODE_NONE;
/* bad command */
if (aucBufIn[0]!=PCTransfer)
return FMTX_MODE_NONE;
/* check if request done */
if (aucBufIn[1]==(RequestSi4711TuneStatus|RequestDone)) {
//errcode 1=sr, 2=fmt
if(aucBufIn[2]!=SI4711_OK){
logwrite(LOG_ERROR, "USB: Error in %s", (aucBufIn[2]==1 ? "SR" : (aucBufIn[2]==3 ? "FMT" : "UNK")));
return FMTX_MODE_NONE;
}
*freq = aucBufIn[3] << 8 | aucBufIn[4];
*power = aucBufIn[5];
*rfcap = aucBufIn[6];
return FMTX_MODE_OK;
}
return FMTX_MODE_NONE;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxTransmitterGetTuneStatus(double *freq, uint8_t *power, double *rfcap)
{
uint8_t rfcap0;
uint16_t freq0;
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(fmtxIoAppGetTuneStatus(&freq0, power, &rfcap0) != FMTX_MODE_OK)
return FMTX_MODE_NONE;
*freq = freq0/100.0;
*rfcap = rfcap0 * 0.25;
// if(freq0!=0 && *power != 0)
// return FMTX_MODE_TRANSMITTING;
return FMTX_MODE_OK;
}
static int si471x_ShowStatus(uint8_t u8Status)
{
logwrite(LOG_DEBUG, "STATUS: %s|%s|%s|%s|%s",
(u8Status & CTS)?"CTS":"cts",
(u8Status & ERR)?"ERR":"err",
(u8Status & RDSINT)?"RDSINT":"rdsint",
(u8Status & ASQINT)?"ASQINT":"asqint",
(u8Status & STCINT)?"STCINT":"stcint");
return (u8Status & CTS)?1:0;
}
static int eeprom_usbAccess(uint8_t *data, uint8_t DataSize, uint16_t offset, int write)
{
hid_device *phd=NULL;
uint8_t aucBufIn[43];
uint8_t aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(DataSize>16)
return FMTX_MODE_NONE;
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
//bReportOut:
// +-----------+-----------+-----------+-----------+-------+
// | PCCommand | PCRequest | Offset[0] | Offset[1] | bytes |
// +-----------+-----------+-----------+-----------+-------+
//02 09 00 00 7f 00 00 5c 00 00 00 00 00 00 00 00
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = write ? RequestEepromSectionWrite : RequestEepromSectionRead;
aucBufOut[3] = 0xff & (offset >> 8);
aucBufOut[4] = 0xff & offset;
aucBufOut[5] = DataSize;
if(write)
memcpy(&aucBufOut[6], data, DataSize);
logwrite(LOG_XTREME, "USB: Sending %d bytes:", DataSize+4);
print_bytes(LOG_DUMP, (char *) &aucBufOut[1], 32);
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
logwrite(LOG_XTREME, "USB: Received:");
print_bytes(LOG_DUMP, (char *) aucBufIn, 32);
// +-----------+-----------+--------+---------+------+---------+
// | PCCommand | PCRequest | Status | Data[0] | ... | Data[n] |
// +-----------+-----------+--------+---------+------+---------+
if(aucBufIn[2]!=0x01) {
logwrite(LOG_ERROR, "USB: I2C_TRANSFER failed");
//sometimes it timeoutes, but the CTS=0, so we must re-read this byte again.
return FMTX_MODE_NONE;
}
if(!write)
memcpy(data, &aucBufIn[3], DataSize);
return FMTX_MODE_OK;
}
static int si471x_usbAccess(uint8_t *request, int ReqSize, uint8_t *reply, int *ReplySize)
{
hid_device *phd=NULL;
unsigned char aucBufIn[43];
unsigned char aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(ReqSize>8)
return FMTX_MODE_NONE;
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
//bReportOut:
// +-----------+-----------+---------+---------+--------+- ... -+--------+
// | PCCommand | PCRequest | ArgsLen | Command | Arg[1] | ... | Arg[7] |
// +-----------+-----------+---------+---------+--------+- ... -+--------+
aucBufOut[0] = 0; // Report ID, ignored
aucBufOut[1] = PCTransfer;
aucBufOut[2] = RequestSi4711Access;
aucBufOut[3] = ReqSize;
memcpy(&aucBufOut[4], request, ReqSize);
logwrite(LOG_XTREME, "USB: Sending %d bytes:", ReqSize+3);
print_bytes(LOG_DUMP, (char *) &aucBufOut[1], 32);
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
logwrite(LOG_XTREME, "USB: Received:");
print_bytes(LOG_DUMP, (char *) aucBufIn, 32);
// +-----------+-----------+-------------+------------+---------+---------+---------+ ... -+----------+
// | PCCommand | PCRequest | WriteStatus | ReadStatus | RespLen | Status | Resp[1] | ... | Resp[15] |
// +-----------+-----------+-------------+------------+---------+---------+---------+ ... -+----------+
if(aucBufIn[2]!=1) {
logwrite(LOG_ERROR, "USB: command failed (%d): %s, returned (FALSE)", aucBufIn[2], Si471xStatusStr(aucBufIn[2]));
//sometimes it timeoutes, but the CTS=0, so we must re-read this byte again.
//return 1;
}
if(aucBufIn[3]!=SI4711_OK) {
logwrite(LOG_ERROR, "USB: I2C_READ failed (%d): %s", aucBufIn[3], Si471xStatusStr(aucBufIn[3]));
return FMTX_MODE_NONE;
}
if(aucBufIn[4] > 16) {
logwrite(LOG_ERROR, "USB: I2C_READ failed, too much bytes received: %d", aucBufIn[4]);
return FMTX_MODE_NONE;
}
logwrite(LOG_XTREME, "USB: Volume: %d.%d (deviation: %d)", (char ) aucBufIn[21], (char ) aucBufIn[22], (uint16_t ) (aucBufIn[23] << 8 | aucBufIn[24]));
memcpy(reply, &aucBufIn[5], aucBufIn[4]);
*ReplySize=aucBufIn[4];
return FMTX_MODE_OK;
}
static int si471x_cmdEEPROMAccess(uint8_t *request, int ReqSize, uint8_t *reply, int *ReplySize)
{
int i;
uint8_t *data=NULL;
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(ReqSize < 1 || ReqSize > 8)
return FMTX_MODE_NONE;
logwrite(LOG_DEBUG, "EEPROM: Emulate command %02x", request[0]);
for(i=0;i<16;i++)
reply[i] = 0x00;
switch(request[0]){
/* forbidden commands */
case POWER_UP:
case POWER_DOWN:
case GET_PROPERTY:
case SET_PROPERTY:
case TX_TUNE_STATUS:
logwrite(LOG_ERROR, "EEPROM: %s: mad cmd %02x not allowed!", __FUNCTION__, request[0]);
return FMTX_MODE_NONE;
break;
/* setting to eeprom image */
case TX_RDS_BUFF:
reply[2] = (FMTX_MAX_EEPROM_CMDS - fmtxCmdEEPROM.numCmds)*3;
case TX_RDS_PS:
case TX_TUNE_FREQ:
case TX_TUNE_POWER:
if(fmtxCmdEEPROM.numCmds > FMTX_MAX_EEPROM_CMDS) {
logwrite(LOG_ERROR, "EEPROM: %s: error setting cmd %02x not enough space!", __FUNCTION__, request[0]);
return FMTX_MODE_NONE;
}
data = &fmtxCmdEEPROM.commandData[fmtxCmdEEPROM.numCmds*FMTX_EEPROM_CMDSIZE];
for(i=0;i<ReqSize;i++)
data[i] = request[i];
for(;i<8;i++)
data[i] = 0x00;
fmtxCmdEEPROM.numCmds++;
break;
default:
*ReplySize=0;
return FMTX_MODE_NONE;
}
reply[0] = 0x80;
*ReplySize=16;
return FMTX_MODE_OK;
}
/*
* i2c transfer to device (write command and read status and response)
*/
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppCommand(uint8_t u8Cmd, uint8_t *pu8Resp, uint8_t u8Amount, ...)
{
uint8_t buf_in[8];
uint8_t buf_out[16];
uint8_t i;
int bytes;
va_list vl;
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(u8Amount>7)
return FMTX_MODE_NONE;
memset(buf_in, 0x00, 8);
memset(buf_out, 0x00, 16);
buf_in[0] = u8Cmd;
/* variable args handling */
va_start(vl,u8Amount);
for (i=0; i<u8Amount; i++) {
buf_in[1+i] = (uint8_t ) va_arg(vl,int);
}
va_end(vl);
logwrite(LOG_DEBUG, "USB: Sending device Cmd: %02x %d-args...", u8Cmd, u8Amount);
print_bytes(LOG_DUMP, (char *) &buf_in[1], 7);
bytes=0;
/* cmd for eeprom ? */
if(fmtxCmdSpecial == FMTX_SPECIAL_EEPROM) {
if(si471x_cmdEEPROMAccess(buf_in, u8Amount+1, buf_out, &bytes) != FMTX_MODE_OK)
return FMTX_MODE_NONE;
} else {
if(si471x_usbAccess(buf_in, u8Amount+1, buf_out, &bytes) != FMTX_MODE_OK)
return FMTX_MODE_NONE;
}
if(bytes==0) {
logwrite(LOG_ERROR, "I2C: Status not received!");
return FMTX_MODE_NONE;
}
if (buf_out[0] & ERR) {
logwrite(LOG_ERROR, "I2C: Status not have got ERR flag!");
}
if(!(buf_out[0] & CTS)) {
logwrite(LOG_ERROR, "I2C: Status not have CTS!");
}
memcpy(pu8Resp, buf_out, bytes);
logwrite(LOG_DEBUG, "USB: Cmd %02x answered: %02x... ", u8Cmd, buf_out[0]);
print_bytes(LOG_DUMP, (char *) &buf_out[0], 16);
si471x_ShowStatus(pu8Resp[0]);
return FMTX_MODE_OK;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppSetEEPROMProperty(int16_t i16Prop, int16_t i16Val)
{
uint8_t *data;
if(fmtxCmdEEPROM.numCmds > FMTX_MAX_EEPROM_CMDS) {
logwrite(LOG_ERROR, "EEPROM: %s: error setting prop %04x => %04x not enough space!", __FUNCTION__, i16Prop, i16Val);
return FMTX_MODE_NONE;
}
if(getDefaultProp(i16Prop) == i16Val){
logwrite(LOG_ERROR, "EEPROM: %s: prop %04x have default value %04x saving space!", __FUNCTION__, i16Prop, i16Val);
return FMTX_MODE_OK;
}
data = &fmtxCmdEEPROM.commandData[fmtxCmdEEPROM.numCmds*FMTX_EEPROM_CMDSIZE];
data[0] = SET_PROPERTY;
data[1] = 0x00;
data[2] = 0xff & (i16Prop>>8);
data[3] = 0xff & i16Prop;
data[4] = 0xff & (i16Val>>8);
data[5] = 0xff & i16Val;
data[6] = 0x00;
data[7] = 0x00;
fmtxCmdEEPROM.numCmds++;
return FMTX_MODE_OK;
}
EXTERN FMTX_API_EXPORT FMTX_API_CALL FMTX_MODE_ENUM fmtxIoAppSetProperty(int16_t i16Prop, int16_t i16Val)
{
hid_device *phd=NULL;
uint8_t aucBufIn[43];
uint8_t aucBufOut[43];
logwrite(LOG_DUMP, "FMTX: %s", __FUNCTION__);
if(i16Prop == GPO_IEN ||
i16Prop == DIGITAL_INPUT_FORMAT ||
i16Prop == DIGITAL_INPUT_SAMPLE_RATE ||
i16Prop == REFCLK_FREQ ||
i16Prop == REFCLK_PRESCALE) {
logwrite(LOG_ERROR, "FMTX: %s: Setting porperty %04x - is not allowed!", __FUNCTION__, i16Prop);
return FMTX_MODE_NONE;
}
if(fmtxCmdSpecial == FMTX_SPECIAL_EEPROM) return fmtxIoAppSetEEPROMProperty(i16Prop, i16Val);
memset(aucBufOut, 0x00, 43);
aucBufOut[0] = 0x00; //report number, would be unused!
aucBufOut[1] = PCTransfer; //
aucBufOut[2] = RequestSi4711SetProp;
aucBufOut[3] = i16Prop >> 8;
aucBufOut[4] = i16Prop;
aucBufOut[5] = i16Val >> 8;
aucBufOut[6] = i16Val;
logwrite(LOG_DEBUG, "USB: Sending device \"%s\" %04x => %04x request...", Si471xRequestStr(aucBufOut[2]), i16Prop, i16Val);
print_bytes(LOG_DUMP, (char *) &aucBufOut[1], 6);
phd = fmtxOpen();
if (phd == NULL)
return FMTX_MODE_NONE;
/* Send a BL Query Command */
//bReportOut:
// +-----------+-----------+-------+-------+------+------+
// | PCCommand | PCRequest | AddrH | AddrL | ValH | ValL |
// +-----------+-----------+-------+-------+------+------+
hid_write(phd, aucBufOut, 43);
memset(aucBufIn, 0xCC, 42); // Clear out the response buffer
hid_read(phd, aucBufIn, 42);
fmtxClose(phd);
phd = NULL;
logwrite(LOG_XTREME, "USB: Received:");
print_bytes(LOG_DUMP, (char *) aucBufIn, 32);
// +-----------+-----------+-------------+------------+----------+-----------+
// | PCCommand | PCRequest | WriteStatus | ReadStatus | NumBytes | CMDStatus |
// +-----------+-----------+-------------+------------+----------+-----------+
if(aucBufIn[0] & PCRequestError) {
logwrite(LOG_ERROR, "USB: request error");
goto set_prop_err;
}
if(!(aucBufIn[1] & RequestDone)) {
logwrite(LOG_ERROR, "USB: request is not done!");
goto set_prop_err;
}
if(aucBufIn[8]!=SI4711_OK) {
logwrite(LOG_ERROR, "USB: Device request \"%s\" failed (%d): %s", Si471xRequestStr(RequestSi4711SetProp), aucBufIn[2], Si471xStatusStr(aucBufIn[2]));
goto set_prop_err;
}
if ( aucBufIn[7] & ERR) {
logwrite(LOG_ERROR, "SI471X: Answers: Error setting property 0x%04x to \"0x%04x\".", i16Prop, i16Val);
goto set_prop_err;
}
if ( !(aucBufIn[7] & CTS)) {
logwrite(LOG_ERROR, "SI471X: Answers: NO CTS! When setting property 0x%04x.", i16Prop);
goto set_prop_err;
}
if(aucBufIn[6]!=1) {
logwrite(LOG_ERROR, "USB: Device request \"%s\" failed (%02x): %s (false!)", Si471xRequestStr(RequestSi4711SetProp), aucBufIn[6]);
goto set_prop_err;
}
return FMTX_MODE_OK;
set_prop_err:
return FMTX_MODE_NONE;
}
static int16_t getDefaultProp(int16_t i16Prop)
{
switch (i16Prop){
/* hardcoded values */
case DIGITAL_INPUT_SAMPLE_RATE:
return 44100;
break;
case REFCLK_FREQ:
return 31250;
break;
case REFCLK_PRESCALE:
return 192;
break;
case GPO_IEN:
case DIGITAL_INPUT_FORMAT:
return 0;
break;
/* user-defined values */
case TX_LINE_INPUT_LEVEL:
return 0x327C;
break;
case TX_LINE_INPUT_MUTE:
return 0x00;
break;
case TX_COMPONENT_ENABLE:
return 0x03;
break;
case TX_AUDIO_DEVIATION:
return 6825;
break;
case TX_PILOT_DEVIATION:
return 675;