FreeCalypso > hg > fc-tourmaline

annotate src/cs/drivers/drv_app/r2d/board/uwire.c @ 274:fa22012c4a39

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CST: remove AT%Nxxxx old AEC control This crude method of enabling and configuring AEC is not compatible with L1_NEW_AEC, and even for the old AEC it did not support every possible combination. It is time for this hack to go. The new and proper way of enabling and configuring AEC is via RiViera Audio Service audio mode facility, either audio mode files or full access write, most directly accessible via fc-tmsh auw 12 for free experimentation.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Jul 2021 18:57:36 +0000
parents 4e78acac3d88
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /************************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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2 * uwire.c : contains driver for the uwire HD module *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 * *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4 * *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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5 * Author: Davide Carpegna *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 * *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 * version: 1.0 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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8 * *
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9 * Date: 22/09/2000 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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10 * (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 ************************************************************************************/
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12
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 #include "rv/general.h"
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14 #include "r2d/uwire.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15 #include "rvf/rvf_api.h"
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16
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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17 /********************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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18 /* set the DC input to low for command transmission */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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19 /* */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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20 /********************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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21 void set_DC_low(void)
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22 {
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23 * (volatile UINT16 *) GPIO_OUT &= ~(0x02); //gpio(1) ->0
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24 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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25
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 /********************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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27 /* set the DC input to high for data transmission */
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28 /* */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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29 /********************************************************************/
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30 void set_DC_high(void)
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31 {
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32 * (volatile UINT16 *) GPIO_OUT |= 0x02; //gpio(1) ->1
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33 }
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34
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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35 /********************************************************************/
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36 /* transmit commands to the lcd */
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37 /* */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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38 /********************************************************************/
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39 void lcd_transmit_cmd(UINT8 cmd)
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40 {
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41 set_DC_low();
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42 * (volatile UINT16 *) TDR = cmd <<8;
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43 * (volatile UINT16 *) CSR |= NB_BITS_WR_8 + CS_CMD + START ; // transmit command data
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44 while (((* (volatile UINT16 *) CSR) & CSRB) != 0 ); // wait for end of WRITE
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45 * (volatile UINT16 *) CSR &= ~CS_CMD; // clears Chip Select
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46 }
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47
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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48 /********************************************************************/
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49 /* transmit data to the lcd */
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50 /* */
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51 /********************************************************************/
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52 void lcd_transmit_data(UINT8 data)
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53 {
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54 set_DC_high();
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55 * (volatile UINT16 *) TDR = data <<8;
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56 * (volatile UINT16 *) CSR |= NB_BITS_WR_8 + CS_CMD + START ; // transmit data
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57 //while (((* (volatile UINT16 *) CSR) & CSRB) != 0 ); // wait for end of WRITE
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58 //* (volatile UINT16 *) CSR &= ~CS_CMD; // clears Chip Select
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59 }
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60
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61 extern BOOLEAN lcd_polling(void)
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62 {
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63 if (((* (volatile UINT16 *) CSR) & CSRB) == 0 )
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64 {
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65 * (volatile UINT16 *) CSR &= ~CS_CMD; // clears Chip Select
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66 return(TRUE);
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67 }
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68 else
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69 return(FALSE);
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70 }
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71
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72 /********************************************************************/
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73 /* initialize the uwire parameters for the lcd */
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74 /* */
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75 /********************************************************************/
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76 void uwire_init_lcd()
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77 {
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78 * ( UINT16 *) GPIO_INOUT &= ~(0x0002); // configures gpio(1) in output mode
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79
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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80 * ( UINT16 *) CNTL_RST &= ~(0x04); // releases reset_out
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81 * ( UINT16 *) CNTL_RST |= (0x04); // set reset_out to 0
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82 rvf_delay(RVF_MS_TO_TICKS(1)); // waits for 5 ms
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83 * ( UINT16 *) CNTL_RST &= ~(0x04); // releases reset_out
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84
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85
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86 * (volatile UINT16 *) SR1 = CS1_FRQ_FINT_4 ; // F_INT/4 -> 13M/4 = 3.25 Mhz
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87 * (volatile UINT16 *) SR3 = SR3_CLK_EN; // enables the uwire clock
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88 * (volatile UINT16 *) CSR = INDEX_CS1; // selects CS1
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89 }
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90
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91
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92