FreeCalypso > hg > fc-magnetite

annotate src/cs/drivers/drv_app/lcc/lcc_modulate.c @ 682:17b7b92e7dba

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uartfax.c: fix for old Openmoko bug with Auto-CTS Openmoko made the change of enabling hardware assisted CTS flow control in the UART when RTS/CTS flow control is used - it is a change which we have retained in FreeCalypso - but they forgot to turn this hw mode off if RTS/CTS flow control is deselected at the application level. We (FreeCalypso) are now fixing the latter defect ourselves.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Jun 2020 02:53:02 +0000
parents 945cf7f506b2
children
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945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
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1 /******************************************************************************
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2 * Power Task (pwr)
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3 * Design and coding by Svend Kristian Lindholm, skl@ti.com
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4 *
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5 * PWR SW Modulation
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6 *
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7 * $Id: pwr_modulate.c 1.1 Wed, 20 Aug 2003 10:22:37 +0200 skl $
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8 *
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9 ******************************************************************************/
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10 #include <string.h>
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11 #include "lcc/lcc.h"
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12 #include "lcc/lcc_trace.h"
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13 #include "lcc/lcc_modulate.h"
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14 #include "lcc/lcc_cfg_i.h"
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15 #include "lcc/lcc_cfg.h"
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16 #include "rv/rv_defined_swe.h"
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17 #include "abb/abb.h"
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18
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19 /******************************************************************************
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20 * Function prototypes
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21 ******************************************************************************/
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22
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23 void pwr_modulate_init(void);
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24 void pwr_modulate_on(void);
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25 void pwr_modulate_off(void);
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26
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27
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28 #if (USE_Q401_CHG_CIRCUIT == 1)
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29 extern T_PWR_CFG_BLOCK *pwr_cfg;
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30 #endif
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31
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32 void pwr_modulate_init(void) {
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33 ttw(ttr(TTrEventLow,"pwr_modulate_init(%d)" NL, 0));
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34 #if (USE_PWL_AS_MODULATOR == 1)
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35 BUZZ_LIGHT_REG |= 0x02;
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36 PWL_LEVEL_REG = 0xFF; // Full envelope function
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37 PWL_CTRL_REG = 0x00; // No 32KHz clock
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38 #else
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39 // Set GPIO 6 HIGH
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40 *((volatile uint16 *) 0xfffe4806) |= 0x0020; // Enable GPIO module
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41 *((volatile uint16 *) 0xfffe4804) &= 0xffbf; // Set GPIO-6 = output
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42 *((volatile uint16 *) 0xfffe4802) |= 0x0080; // Set GPIO-6 = HIGH
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43 #endif
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44 ttw(ttr(TTrEventLow,"pwr_modulate_init(%d)" NL, 0xff));
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45 }
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46
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47 void pwr_modulate_on(void) {
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48 ttw(ttr(TTrEventLow,"pwr_modulate_on(%d)" NL, 0));
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49 #if (USE_Q401_CHG_CIRCUIT== 1)
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50 /* Program the DAC with the constant current value taken from /pwr/chg/chg<N>.cfg multiplied by k/255, where current k is in [1..255] */
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51 ABB_Write_Register_on_page(PAGE0, CHGREG, (pwr_cfg->data.k * pwr_cfg->chg.ichg_max) / 255);
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52 #endif
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53 #if (USE_Q402_CHG_CIRCUIT == 1)
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54 #if (USE_PWL_AS_MODULATOR == 1)
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55 BUZZ_LIGHT_REG |= 0x02;
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56 PWL_LEVEL_REG = 0xFF; // Full envelope function
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57 PWL_CTRL_REG = 0x00; // No 32KHz clock
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58 #else
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59 // Use GPIO 6
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60 *((volatile uint16 *) 0xfffe4806) |= 0x0020; // Enable GPIO module
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61 *((volatile uint16 *) 0xfffe4804) &= 0xffbf; // Set GPIO-6 = output
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62 *((volatile uint16 *) 0xfffe4802) |= 0x0080; // Set GPIO-6 = HIGH
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63 #endif
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64 #endif
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65 ttw(ttr(TTrEventLow,"pwr_modulate_on(%d)" NL, 0xFF));
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66
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67 }
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68
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69 void pwr_modulate_off(void) {
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70 ttw(ttr(TTrEventLow,"pwr_modulate_off(%d)" NL, 0));
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71 #if (USE_Q401_CHG_CIRCUIT == 1)
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72 // Don't do anything - FET is fully controlled in pwr_modulate_on()
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73 #endif
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74 #if (USE_Q402_CHG_CIRCUIT == 1)
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75 #ifdef USE_PWL_AS_MODULATOR
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76 BUZZ_LIGHT_REG &= 0xfd;
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77 PWL_LEVEL_REG = 0x00; // No envelope function
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78 PWL_CTRL_REG = 0x00; // No 32KHz clock
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79 #else
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80 // Use GPIO 6
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81 *((volatile uint16 *) 0xfffe4806) |= 0x0020; // Enable GPIO module
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82 *((volatile uint16 *) 0xfffe4804) &= 0xffbf; // Set GPIO-6 = output
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83 *((volatile uint16 *) 0xfffe4802) &= 0x007f; // Set GPIO-6 = LOW
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84 #endif
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85 #endif
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86 ttw(ttr(TTrEventLow,"pwr_modulate_off(%d)" NL, 0xFF));
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87 }
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88