FreeCalypso > hg > fc-tourmaline
annotate src/cs/drivers/drv_core/abb/abb_inline.h @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /**********************************************************************************/ |
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2 /* TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION */ |
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3 /* */ |
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4 /* Property of Texas Instruments -- For Unrestricted Internal Use Only */ |
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5 /* Unauthorized reproduction and/or distribution is strictly prohibited. This */ |
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6 /* product is protected under copyright law and trade secret law as an */ |
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7 /* unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All */ |
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8 /* rights reserved. */ |
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9 /* */ |
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10 /* */ |
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11 /* Filename : abb_inline.h */ |
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12 /* */ |
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13 /* Description : inline functions to drive the ABB device. */ |
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14 /* The Serial Port Interface is used to connect the TI */ |
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15 /* Analog BaseBand (ABB). */ |
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16 /* It is assumed that the ABB is connected as the SPI */ |
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17 /* device 0. */ |
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18 /* */ |
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19 /* Author : Pascal PUEL */ |
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20 /* */ |
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21 /* Version number : 1.0 */ |
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22 /* */ |
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23 /* Date and time : Dec 2002 */ |
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24 /* */ |
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25 /* Previous delta : Creation */ |
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26 /* */ |
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27 /**********************************************************************************/ |
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28 |
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29 #ifndef __ABB_INLINE_H__ |
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30 #define __ABB_INLINE_H__ |
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31 |
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32 #include "l1sw.cfg" |
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33 |
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34 #if (OP_L1_STANDALONE == 0) |
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35 #include "main/sys_types.h" |
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36 #else |
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37 #include "sys_types.h" |
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38 #endif |
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39 |
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40 #include "spi/spi_drv.h" |
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41 |
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42 // MACROS |
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43 #define ABB_WRITE_REG(reg, data) { \ |
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44 SPI_WRITE_TX_MSB((data << 6) | reg) \ |
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45 SPI_START_WRITE } |
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46 |
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47 #define ABB_READ_REG(reg) { \ |
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48 SPI_WRITE_TX_MSB(reg | 1) \ |
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49 SPI_START_READ } |
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50 |
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51 |
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52 #define ABB_SET_PAGE(page) ABB_WRITE_REG(PAGEREG, page) |
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53 |
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54 #define SEVEN_CYCLES_13M_NS 539 |
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55 |
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56 // INLINE FUNCTIONS |
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57 /*-----------------------------------------------------------------------*/ |
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58 /* ABB_SetPage() */ |
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59 /* */ |
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60 /* This function sets the right page in the ABB register PAGEREG. */ |
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61 /* */ |
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62 /*-----------------------------------------------------------------------*/ |
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63 static inline void ABB_SetPage(SYS_UWORD16 page) |
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64 { |
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65 volatile SYS_UWORD16 status; |
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66 |
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67 ABB_SET_PAGE(page); |
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68 while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & WE_ST) == 0); |
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69 |
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70 // if IBIC is already processing another request (from the BSP) |
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71 // the USP request is delayed by 3 clock cycles |
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72 // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case |
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73 wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS)); |
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74 } |
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75 |
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76 |
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77 /*-----------------------------------------------------------------------*/ |
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78 /* ABB_WriteRegister() */ |
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79 /* */ |
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80 /* This function writes "data" in the ABB register "abb_reg". */ |
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81 /* */ |
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82 /*-----------------------------------------------------------------------*/ |
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83 static inline void ABB_WriteRegister(SYS_UWORD16 abb_reg, SYS_UWORD16 data) |
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84 { |
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85 volatile SYS_UWORD16 status; |
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86 |
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87 ABB_WRITE_REG(abb_reg, data); |
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88 while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & WE_ST) == 0); |
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89 |
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90 // if IBIC is already processing another request (from the BSP) |
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91 // the USP request is delayed by 3 clock cycles |
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92 // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case |
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93 wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS)); |
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94 |
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95 } |
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96 |
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97 |
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98 /*-----------------------------------------------------------------------*/ |
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99 /* ABB_ReadRegister() */ |
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100 /* */ |
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101 /* This function reads the ABB register "abb_reg" and returns */ |
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102 /* the real register value. */ |
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103 /* */ |
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104 /*-----------------------------------------------------------------------*/ |
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105 static inline SYS_UWORD16 ABB_ReadRegister(SYS_UWORD16 abb_reg) |
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106 { |
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107 volatile SYS_UWORD16 status; |
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108 |
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109 // First part of read access to the ABB register |
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110 ABB_READ_REG(abb_reg); |
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111 while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & RE_ST) == 0); |
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112 |
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113 // if IBIC is already processing another request (from the BSP) |
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114 // the USP request is delayed by 3 clock cycles |
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115 // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case |
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116 wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS)); |
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117 |
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118 // Second part of read access to the ABB register |
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119 ABB_READ_REG(abb_reg); |
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120 while(((status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS) & RE_ST) == 0); |
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121 |
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122 // if IBIC is already processing another request (from the BSP) |
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123 // the USP request is delayed by 3 clock cycles |
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124 // which gives a total of 7 clock cycles ( = 539 ns at 13 MHz) in the worst case |
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125 wait_ARM_cycles(convert_nanosec_to_cycles(SEVEN_CYCLES_13M_NS)); |
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126 |
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127 return ((SPI_ReadRX_LSB() >> 6) & 0x3ff); |
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128 } |
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129 |
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130 |
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131 #endif // __ABB_INLINE_H__ |