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Diffstat (limited to 'api/Microtune_MT2260B0.c')
| -rw-r--r-- | api/Microtune_MT2260B0.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/api/Microtune_MT2260B0.c b/api/Microtune_MT2260B0.c new file mode 100644 index 0000000..0cf11e5 --- /dev/null +++ b/api/Microtune_MT2260B0.c @@ -0,0 +1,115 @@ +/** + * @(#)Microtune_MT2260B0.cpp + * + * ========================================================== + * Version: 2.0 + * Date: 2008.07.02 + * ========================================================== + * + * ========================================================== + * History: + * + * Date Author Description + * ---------------------------------------------------------- + * + * 2008.07.02 Tom Lin added tuner version + * ========================================================== + * + * Copyright 2005 Afatech, Inc. All rights reserved. + * + */ + + +//#include <stdio.h> //for Linux +#include "type.h" +#include "error.h" +#include "user.h" +#include "register.h" +#include "standard.h" +#include "mt2260.h" +#include "Microtune_MT2260B0_Script.h" + + +#define Microtune_MT2260B0_EXT_ADDRESS 0xC0 + +Handle_t Microtune_MT2260B0_tunerHandles[2]; +UserData Microtune_MT2260B0_userDatas[2]; + + +Dword MT2260B0_open ( + IN Demodulator* demodulator, + IN Byte chip +) { + Dword error = Error_NO_ERROR; + UData_t status = MT_OK; + + Microtune_MT2260B0_userDatas[chip].chip = chip; + Microtune_MT2260B0_userDatas[chip].demodulator = demodulator; + status = MT2260_Open ((unsigned int)Microtune_MT2260B0_EXT_ADDRESS, &Microtune_MT2260B0_tunerHandles[chip], &Microtune_MT2260B0_userDatas[chip]); + if (MT_NO_ERROR (status)) + status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_STEPSIZE, 62500); + if (MT_NO_ERROR (status)) + status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_RF_EXT, 1); + if (MT_NO_ERROR (status)) + status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_BB_EXT, 1); + if (MT_IS_ERROR (status)) + error = Error_MT_TUNE_FAIL; + + return (error); +} + + +Dword MT2260B0_close ( + IN Demodulator* demodulator, + IN Byte chip +) { + Dword error = Error_NO_ERROR; + UData_t status = MT_OK; + + status |= MT2260_Close (Microtune_MT2260B0_tunerHandles[chip]); + if (MT_IS_ERROR (status)) + error = Error_MT_TUNE_FAIL; + + return (error); +} + + +Dword MT2260B0_set ( + IN Demodulator* demodulator, + IN Byte chip, + IN Word bandwidth, + IN Dword frequency +) { + Dword error = Error_NO_ERROR; + UData_t status = MT_OK; + UData_t freq; + UData_t bw; + + freq = frequency * 1000UL; + bw = (UData_t) bandwidth * 1000UL; + + /** Change frequency */ + status = MT2260_ChangeFreq (Microtune_MT2260B0_tunerHandles[chip], freq); + if (MT_NO_ERROR (status)) + status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_OUTPUT_BW, bw); + if (MT_IS_ERROR (status)) + error = Error_MT_TUNE_FAIL; + + User_delay (demodulator, 100); + + return (error); +} + + +TunerDescription tuner_MT2260B0 = { + MT2260B0_open, + MT2260B0_close, + MT2260B0_set, + MT2260B0_scripts, + MT2260B0_scriptSets, + MT2260B0_ADDRESS, /** tuner i2c address */ + 1, /** length of tuner register address */ + 0, /** tuner if */ + True, /** spectrum inverse */ + 0x21, /** tuner id */ +}; |