annotate src/cs/riviera/rv_template/xxx_env.h @ 629:3231dd9b38c1

armio.c: make GPIOs 8 & 13 outputs driving 1 on all "classic" targets Calypso GPIOs 8 & 13 are pinmuxed with MCUEN1 & MCUEN2, respectively, and on powerup these pins are MCUEN, i.e., outputs driving 1. TI's code for C-Sample and earlier turns them into GPIOs configured as outputs also driving 1 - so far, so good - but TI's code for BOARD 41 (which covers D-Sample, Leonardo and all real world Calypso devices derived from the latter) switches them from MCUEN to GPIOs, but then leaves them as inputs. Given that the hardware powerup state of these two pins is outputs driving 1, every Calypso board design MUST be compatible with such driving; typically these GPIO signals will be either unused and unconnected or connected as outputs driving some peripheral. Turning these pins into GPIO inputs will result in floating inputs on every reasonably-wired board, thus I am convinced that this configuration is nothing but a bug on the part of whoever wrote this code at TI. This floating input bug had already been fixed earlier for GTA modem and FCDEV3B targets; the present change makes the fix unconditional for all "classic" targets. The newly affected targets are D-Sample, Leonardo, Tango and GTM900.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 02 Jan 2020 05:38:26 +0000
parents 945cf7f506b2
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1 /**
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2 * @file xxx_env.h
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3 *
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4 * Declarations of the Riviera Generic Functions
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5 *
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6 * @author Your name here (your_email_here)
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7 * @version 0.1
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8 */
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9
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10 /*
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11 * History:
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12 *
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13 * Date Author Modification
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14 * -------------------------------------------------------------------
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15 * // Create.
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16 *
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17 * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved
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18 */
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19
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20 #ifndef __XXX_ENV_H_
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21 #define __XXX_ENV_H_
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23
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24 #include "rvm/rvm_gen.h" /* Generic RVM types and functions. */
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25 #include "rvf/rvf_pool_size.h" /* Stack & Memory Bank sizes definitions */
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26 #include "xxx/xxx_pool_size.h" /* Stack & Memory Bank sizes definitions */
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27
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28 /**
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29 * Wished priority of the host task for the SWE.
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30 *
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31 * During development, put the hardcoded value here.
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32 * After integration, the value should be in rvm_priorities.h
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33 */
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34 #ifdef RVM_XXX_TASK_PRIORITY
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35 #define XXX_TASK_PRIORITY RVM_XXX_TASK_PRIORITY
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36 #else
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37 #define XXX_TASK_PRIORITY 80
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38 #endif
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39
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40
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41 /**
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42 * @name Generic functions
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43 *
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44 * Generic functions declarations needed for a Type 2 SWE
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45 * (Group Member SWE).
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46 */
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47 /*@{*/
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48 T_RVM_RETURN xxx_get_info (T_RVM_INFO_SWE *info_swe);
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49
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50 T_RVM_RETURN xxx_set_info ( T_RVF_ADDR_ID addr_id,
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51 T_RV_RETURN_PATH return_path[],
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52 T_RVF_MB_ID bk_id_table[],
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53 T_RVM_CB_FUNC call_back_error_ft);
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54
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55 T_RVM_RETURN xxx_init (void);
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56
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57 T_RVM_RETURN xxx_kill (void);
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58
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59 /* Type 1 specific generic functions */
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60 T_RVM_RETURN xxx_start (void);
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61 /* End of specific */
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62 /* Type 2 specific generic functions */
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63 T_RVM_RETURN xxx_start (void);
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64 T_RVM_RETURN xxx_stop (T_RV_HDR * msg);
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65 T_RVM_RETURN xxx_handle_message (T_RV_HDR * msg);
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66 T_RVM_RETURN xxx_handle_timer (T_RV_HDR * msg);
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67 /* End of specific */
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68 /* Type 3 specific generic functions */
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69 T_RVM_RETURN xxx_start (void);
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70 T_RVM_RETURN xxx_stop (T_RV_HDR * msg);
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71 T_RVM_RETURN xxx_handle_message (T_RV_HDR * msg);
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72 T_RVM_RETURN xxx_handle_timer (T_RV_HDR * msg);
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73 /* End of specific */
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74 /* Type 4 specific generic functions */
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75 T_RVM_RETURN xxx_core (void);
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76 /* End of specific */
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77
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78 /*@}*/
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79
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80 #endif /*__XXX_ENV_H_*/