Maxim Ibragimov / mbed-dev

mbed library sources. Supersedes mbed-src. Fixed broken STM32F1xx RTC on rtc_api.c

Dependents:   Nucleo_F103RB_RTC_battery_bkup_pwr_off_okay

Fork of mbed-dev by mbed official

targets/TARGET_Maxim/TARGET_MAX32625/mxc/spix.h@177:619788de047e, 2017-11-07 (annotated)

Committer:
maxxir
Date:
Tue Nov 07 16:46:29 2017 +0000
Revision:
177:619788de047e
Parent:
150:02e0a0aed4ec 
To fix broken RTC on Nucleo_F103RB / STM32F103 BluePill etc..;  Used direct RTC register manipulation for STM32F1xx;  rtc_read() && rtc_write()  (native rtc_init() - works good);  also added stub for non-working on STM32F1xx rtc_read_subseconds().

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 150:02e0a0aed4ec 1 /*******************************************************************************
<> 150:02e0a0aed4ec 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
<> 150:02e0a0aed4ec 3 *
<> 150:02e0a0aed4ec 4 * Permission is hereby granted, free of charge, to any person obtaining a
<> 150:02e0a0aed4ec 5 * copy of this software and associated documentation files (the "Software"),
<> 150:02e0a0aed4ec 6 * to deal in the Software without restriction, including without limitation
<> 150:02e0a0aed4ec 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
<> 150:02e0a0aed4ec 8 * and/or sell copies of the Software, and to permit persons to whom the
<> 150:02e0a0aed4ec 9 * Software is furnished to do so, subject to the following conditions:
<> 150:02e0a0aed4ec 10 *
<> 150:02e0a0aed4ec 11 * The above copyright notice and this permission notice shall be included
<> 150:02e0a0aed4ec 12 * in all copies or substantial portions of the Software.
<> 150:02e0a0aed4ec 13 *
<> 150:02e0a0aed4ec 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
<> 150:02e0a0aed4ec 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
<> 150:02e0a0aed4ec 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
<> 150:02e0a0aed4ec 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
<> 150:02e0a0aed4ec 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
<> 150:02e0a0aed4ec 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
<> 150:02e0a0aed4ec 20 * OTHER DEALINGS IN THE SOFTWARE.
<> 150:02e0a0aed4ec 21 *
<> 150:02e0a0aed4ec 22 * Except as contained in this notice, the name of Maxim Integrated
<> 150:02e0a0aed4ec 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
<> 150:02e0a0aed4ec 24 * Products, Inc. Branding Policy.
<> 150:02e0a0aed4ec 25 *
<> 150:02e0a0aed4ec 26 * The mere transfer of this software does not imply any licenses
<> 150:02e0a0aed4ec 27 * of trade secrets, proprietary technology, copyrights, patents,
<> 150:02e0a0aed4ec 28 * trademarks, maskwork rights, or any other form of intellectual
<> 150:02e0a0aed4ec 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
<> 150:02e0a0aed4ec 30 * ownership rights.
<> 150:02e0a0aed4ec 31 *
<> 150:02e0a0aed4ec 32 * $Date: 2016-05-26 11:38:10 -0500 (Thu, 26 May 2016) $
<> 150:02e0a0aed4ec 33 * $Revision: 23065 $
<> 150:02e0a0aed4ec 34 *
<> 150:02e0a0aed4ec 35 ******************************************************************************/
<> 150:02e0a0aed4ec 36
<> 150:02e0a0aed4ec 37 /**
<> 150:02e0a0aed4ec 38 * @file spix.h
<> 150:02e0a0aed4ec 39 * @brief This is the high level API for the serial peripheral interface execute in place module.
<> 150:02e0a0aed4ec 40 * @warning If using this SPIX with IAR Embedded Workbench for Arm, it is required to define
<> 150:02e0a0aed4ec 41 * <tt>IAR_SPIX_PRAGMA=1</tt>. This should be done under Project->Options->
<> 150:02e0a0aed4ec 42 * C/C++ Compiler->Preprocessor in the Defined Symbols input box. See the IAR documentation
<> 150:02e0a0aed4ec 43 * for additional information on how to set a preprocessor define in a project.
<> 150:02e0a0aed4ec 44 */
<> 150:02e0a0aed4ec 45
<> 150:02e0a0aed4ec 46 #include "mxc_sys.h"
<> 150:02e0a0aed4ec 47 #include "spix_regs.h"
<> 150:02e0a0aed4ec 48
<> 150:02e0a0aed4ec 49 #ifndef _SPIX_H_
<> 150:02e0a0aed4ec 50 #define _SPIX_H_
<> 150:02e0a0aed4ec 51
<> 150:02e0a0aed4ec 52 #ifdef __cplusplus
<> 150:02e0a0aed4ec 53 extern "C" {
<> 150:02e0a0aed4ec 54 #endif
<> 150:02e0a0aed4ec 55
<> 150:02e0a0aed4ec 56 /***** Definitions *****/
<> 150:02e0a0aed4ec 57
<> 150:02e0a0aed4ec 58 /// @brief Options for number of I/O pins to use during for each fetch stage
<> 150:02e0a0aed4ec 59 typedef enum {
<> 150:02e0a0aed4ec 60 SPIX_SINGLE_IO = MXC_V_SPIX_FETCH_CTRL_CMD_WIDTH_SINGLE,
<> 150:02e0a0aed4ec 61 SPIX_DUAL_IO = MXC_V_SPIX_FETCH_CTRL_CMD_WIDTH_DUAL_IO,
<> 150:02e0a0aed4ec 62 SPIX_QUAD_IO = MXC_V_SPIX_FETCH_CTRL_CMD_WIDTH_QUAD_IO
<> 150:02e0a0aed4ec 63 } spix_width_t;
<> 150:02e0a0aed4ec 64
<> 150:02e0a0aed4ec 65 /// @brief Options for number of address bytes to use during fetch
<> 150:02e0a0aed4ec 66 typedef enum {
<> 150:02e0a0aed4ec 67 SPIX_3BYTE_FETCH_ADDR = 0,
<> 150:02e0a0aed4ec 68 SPIX_4BYTE_FETCH_ADDR = 1
<> 150:02e0a0aed4ec 69 } spix_addr_size_t;
<> 150:02e0a0aed4ec 70
<> 150:02e0a0aed4ec 71 /// @brief SPIX fetch configuration.
<> 150:02e0a0aed4ec 72 typedef struct {
<> 150:02e0a0aed4ec 73 spix_width_t cmd_width; ///< Number of I/O lines used for command SPI transaction.
<> 150:02e0a0aed4ec 74 spix_width_t addr_width; ///< Number of I/O lines used for address SPI transaction.
<> 150:02e0a0aed4ec 75 spix_width_t data_width; ///< Number of I/O lines used for data SPI transaction.
<> 150:02e0a0aed4ec 76 spix_addr_size_t addr_size; ///< Use 3 or 4 byte addresses for fetches.
<> 150:02e0a0aed4ec 77 uint8_t cmd; ///< Command value to initiate fetch.
<> 150:02e0a0aed4ec 78 uint8_t mode_clocks; ///< Number of SPI clocks required during mode phase of fetch.
<> 150:02e0a0aed4ec 79 uint8_t no_cmd_mode; ///< Read command sent only once.
<> 150:02e0a0aed4ec 80 uint16_t mode_data; ///< Data sent with mode clocks.
<> 150:02e0a0aed4ec 81 } spix_fetch_t;
<> 150:02e0a0aed4ec 82
<> 150:02e0a0aed4ec 83 /***** Globals *****/
<> 150:02e0a0aed4ec 84
<> 150:02e0a0aed4ec 85 /***** Function Prototypes *****/
<> 150:02e0a0aed4ec 86
<> 150:02e0a0aed4ec 87 /**
<> 150:02e0a0aed4ec 88 * @brief Configure SPI execute in place clocking.
<> 150:02e0a0aed4ec 89 * @param sys_cfg Pointer to system level configuration structure.
<> 150:02e0a0aed4ec 90 * @param mode SPI mode to use for the clocking.
<> 150:02e0a0aed4ec 91 * @param baud Frequency in hertz to set the clock to. May not be able to achieve with
<> 150:02e0a0aed4ec 92 * the given clock divider.
<> 150:02e0a0aed4ec 93 * @param sample Number of SPIX clocks to delay the sampling of the SDIO lines. Will use
<> 150:02e0a0aed4ec 94 * feedback mode if set to 0.
<> 150:02e0a0aed4ec 95 * @returns #E_NO_ERROR if everything is successful
<> 150:02e0a0aed4ec 96 */
<> 150:02e0a0aed4ec 97 int SPIX_ConfigClock(const sys_cfg_spix_t *sys_cfg, uint32_t baud, uint8_t sample);
<> 150:02e0a0aed4ec 98
<> 150:02e0a0aed4ec 99 /**
<> 150:02e0a0aed4ec 100 * @brief Configure SPI execute in place slave select.
<> 150:02e0a0aed4ec 101 * @param ssel Index of which slave select line to use.
<> 150:02e0a0aed4ec 102 * @param pol Polarity of slave select (0 for active low, 1 for active high).
<> 150:02e0a0aed4ec 103 * @param act_delay SPIX clocks between slave select assert and active SPI clock.
<> 150:02e0a0aed4ec 104 * @param inact_delay SPIX clocks between active SPI clock and slave select deassert.
<> 150:02e0a0aed4ec 105 */
<> 150:02e0a0aed4ec 106 void SPIX_ConfigSlave(uint8_t ssel, uint8_t pol, uint8_t act_delay, uint8_t inact_delay);
<> 150:02e0a0aed4ec 107
<> 150:02e0a0aed4ec 108 /**
<> 150:02e0a0aed4ec 109 * @brief Configure how the SPIX fetches data.
<> 150:02e0a0aed4ec 110 * @param fetch Pointer to configuration struct that describes how to fetch data.
<> 150:02e0a0aed4ec 111 */
<> 150:02e0a0aed4ec 112 void SPIX_ConfigFetch(const spix_fetch_t *fetch);
<> 150:02e0a0aed4ec 113
<> 150:02e0a0aed4ec 114 /**
<> 150:02e0a0aed4ec 115 * @brief Shutdown SPIX module.
<> 150:02e0a0aed4ec 116 * @param spix Pointer to SPIX regs.
<> 150:02e0a0aed4ec 117 * @returns #E_NO_ERROR if everything is successful
<> 150:02e0a0aed4ec 118 */
<> 150:02e0a0aed4ec 119 int SPIX_Shutdown(mxc_spix_regs_t *spix);
<> 150:02e0a0aed4ec 120
<> 150:02e0a0aed4ec 121
<> 150:02e0a0aed4ec 122 #ifdef __cplusplus
<> 150:02e0a0aed4ec 123 }
<> 150:02e0a0aed4ec 124 #endif
<> 150:02e0a0aed4ec 125
<> 150:02e0a0aed4ec 126 #endif /* _SPIX_H */