mbed library sources. Supersedes mbed-src. removed serial
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Diff: targets/TARGET_Maxim/TARGET_MAX32630/mxc/pmu.h
- Revision:
- 157:ff67d9f36b67
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/TARGET_Maxim/TARGET_MAX32630/mxc/pmu.h Thu Feb 02 17:01:33 2017 +0000 @@ -0,0 +1,299 @@ +/** + * @file + * @brief Registers, Bit Masks and Bit Positions for the PMU module. + */ +/* **************************************************************************** + * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES + * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of Maxim Integrated + * Products, Inc. shall not be used except as stated in the Maxim Integrated + * Products, Inc. Branding Policy. + * + * The mere transfer of this software does not imply any licenses + * of trade secrets, proprietary technology, copyrights, patents, + * trademarks, maskwork rights, or any other form of intellectual + * property whatsoever. Maxim Integrated Products, Inc. retains all + * ownership rights. + * + * $Date: 2016-10-10 19:24:21 -0500 (Mon, 10 Oct 2016) $ + * $Revision: 24667 $ + * + **************************************************************************** */ + +/* Define to prevent redundant inclusion */ +#ifndef _PMU_H_ +#define _PMU_H_ + +/* **** Includes **** */ +#include "pmu_regs.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @ingroup periphlibs + * @defgroup pmuGroup Peripheral Management Unit + * @brief Peripheral Management Unit (PMU) Interface. + * @{ + */ + +/** + * Enum type for the clock scale used for the PMU timeout clock. + */ +typedef enum { + PMU_PS_SEL_DISABLE = MXC_V_PMU_CFG_PS_SEL_DISABLE, /**< Timeout disabled */ + PMU_PS_SEL_DIV_2_8 = MXC_V_PMU_CFG_PS_SEL_DIV_2_8, /**< Timeout clk = PMU clock / 2^8 = 256 */ + PMU_PS_SEL_DIV_2_16 = MXC_V_PMU_CFG_PS_SEL_DIV_2_16, /**< Timeout clk = PMU clock / 2^16 = 65536 */ + PMU_PS_SEL_DIV_2_24 = MXC_V_PMU_CFG_PS_SEL_DIV_2_24 /**< Timeout clk = PMU clock / 2^24 = 16777216 */ +}pmu_ps_sel_t; + +/** + * Enumeration type for the number of clk ticks for the timeout duration. + */ +typedef enum { + PMU_TO_SEL_TICKS_4 = MXC_V_PMU_CFG_TO_SEL_TICKS_4, /**< timeout = 4 * Timeout clk period */ + PMU_TO_SEL_TICKS_8 = MXC_V_PMU_CFG_TO_SEL_TICKS_8, /**< timeout = 8 * Timeout clk period */ + PMU_TO_SEL_TICKS_16 = MXC_V_PMU_CFG_TO_SEL_TICKS_16, /**< timeout = 16 * Timeout clk period */ + PMU_TO_SEL_TICKS_32 = MXC_V_PMU_CFG_TO_SEL_TICKS_32, /**< timeout = 32 * Timeout clk period */ + PMU_TO_SEL_TICKS_64 = MXC_V_PMU_CFG_TO_SEL_TICKS_64, /**< timeout = 64 * Timeout clk period */ + PMU_TO_SEL_TICKS_128 = MXC_V_PMU_CFG_TO_SEL_TICKS_128, /**< timeout = 128 * Timeout clk period */ + PMU_TO_SEL_TICKS_256 = MXC_V_PMU_CFG_TO_SEL_TICKS_256, /**< timeout = 256 * Timeout clk period */ + PMU_TO_SEL_TICKS_512 = MXC_V_PMU_CFG_TO_SEL_TICKS_512 /**< timeout = 512 * Timeout clk period */ +}pmu_to_sel_t; + +/* + * The macros like the one below are designed to help build static PMU programs + * as arrays of 32bit words. + */ +#define PMU_IS(interrupt, stop) ((!!interrupt) << PMU_INT_POS) | ((!!stop) << PMU_STOP_POS) +/* + * Structure type to build a PMU Move Op Code. + */ +typedef struct pmu_move_des_t { + uint32_t op_code : 3; /* 0x0 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t read_size : 2; + uint32_t read_inc : 1; + uint32_t write_size : 2; + uint32_t write_inc : 1; + uint32_t cont : 1; + uint32_t length : 20; + + uint32_t write_address; + uint32_t read_address; +} pmu_move_des_t; +#define PMU_MOVE(i, s, rs, ri, ws, wi, c, length, wa, ra) \ + (PMU_MOVE_OP | PMU_IS(i,s) | ((rs & 3) << PMU_MOVE_READS_POS) | ((!!ri) << PMU_MOVE_READI_POS) | \ + ((ws & 3) << PMU_MOVE_WRITES_POS) | ((!!wi) << PMU_MOVE_WRITEI_POS) | ((!!c) << PMU_MOVE_CONT_POS) | ((length & 0xFFFFF) << PMU_MOVE_LEN_POS)), wa, ra + +/* new_value = value | (old_value & ~ mask) */ +typedef struct pmu_write_des_t { + uint32_t op_code : 3; /* 0x1 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t : 3; + uint32_t write_method : 4; + uint32_t : 20; + + uint32_t write_address; + uint32_t value; + uint32_t mask; +} pmu_write_des_t; +#define PMU_WRITE(i, s, wm, a, v, m) (PMU_WRITE_OP | PMU_IS(i,s) | ((wm & 0xF) << PMU_WRITE_METHOD_POS)), a, v, m + +typedef struct pmu_wait_des_t { + uint32_t op_code : 3; /* 0x2 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t wait : 1; + uint32_t sel : 1; + uint32_t : 25; + + uint32_t mask1; + uint32_t mask2; + uint32_t wait_count; +} pmu_wait_des_t; +#define PMU_WAIT(i, s, sel, m1, m2, cnt) (PMU_WAIT_OP | PMU_IS(i,s) | ((cnt>0)?(1<<PMU_WAIT_WAIT_POS):0) | ((!!sel) << PMU_WAIT_SEL_POS)), \ + m1, m2, cnt + +typedef struct pmu_jump_des_t { + uint32_t op_code : 3; /* 0x3 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t : 27; + + uint32_t address; +} pmu_jump_des_t; +#define PMU_JUMP(i, s, a) (PMU_JUMP_OP | PMU_IS(i,s)), a + +typedef struct pmu_loop_des_t { + uint32_t op_code : 3; /* 0x4 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t sel_counter : 1; + uint32_t : 26; + + uint32_t address; +} pmu_loop_des_t; +#define PMU_LOOP(i, s, c, a) (PMU_LOOP_OP | PMU_IS(i,s) | ((!!c) << PMU_LOOP_SEL_COUNTER_POS)), a + +typedef struct pmu_poll_des_t { + uint32_t op_code : 3; /* 0x5 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t : 2; + uint32_t and : 1; + uint32_t : 24; + + uint32_t poll_addr; + uint32_t data; + uint32_t mask; + uint32_t poll_interval; +} pmu_poll_des_t; +#define PMU_POLL(i, s, a, adr, d, m, per) (PMU_POLL_OP | PMU_IS(i,s) | ((!!a) << PMU_POLL_AND_POS)), adr, d, m, per + +typedef struct pmu_branch_des_t { + uint32_t op_code : 3; /* 0x6 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t : 2; + uint32_t and : 1; + uint32_t type : 3; + uint32_t : 21; + + uint32_t poll_addr; + uint32_t data; + uint32_t mask; + uint32_t address; +} pmu_branch_des_t; +#define PMU_BRANCH(i, s, a, t, adr, d, m, badr) \ + (PMU_BRANCH_OP | PMU_IS(i,s) | ((!!a) << PMU_BRANCH_AND_POS)| ((t & 7) << PMU_BRANCH_TYPE_POS)), adr, d, m, badr + +typedef struct pmu_transfer_des_t { + uint32_t op_code : 3; /* 0x7 */ + uint32_t interrupt : 1; + uint32_t stop : 1; + uint32_t read_size : 2; + uint32_t read_inc : 1; + uint32_t write_size : 2; + uint32_t write_inc : 1; + uint32_t : 1; + uint32_t tx_length : 20; + + uint32_t write_address; + uint32_t read_address; + + uint32_t int_mask : 25; /* valid int_mask is from 0 - 24 */ + uint32_t : 1; + uint32_t burst_size : 6; +} pmu_transfer_des_t; +#define PMU_TRANSFER(i, s, rs, ri, ws, wi, l, wa, ra, imsk, b) \ + (PMU_TRANSFER_OP | PMU_IS(i,s) | ((rs & 3) << PMU_TX_READS_POS) | ((!!ri) << PMU_TX_READI_POS) | \ + ((ws & 3) << PMU_TX_WRITES_POS) | ((!!wi) << PMU_TX_WRITEI_POS) | ((l & 0xFFFFF) << PMU_TX_LEN_POS)), wa, ra, \ + ((imsk) | ((b & 0x3F) << PMU_TX_BS_POS)) +/** + * Callback function type for the PMU. + * @details The callback function signature is: + * @code + * void callback(int status); + * @endcode + * @p pmu_status - The callback function argument is a status bit + * indicating the status of the PMU program. The callback function + * will be called for every opcode that has the interrupt bit set. + * If NULL, the channel interrupt will not be enabled. + */ +typedef void (*pmu_callback)(int pmu_status); + +/** + * @brief Start a PMU program on a channel + * + * @param[in] channel The channel number to start the PMU program. + * @param[in] program_address A pointer to the first opcode of the PMU program. + * @param[in] callback A pointer to the callback function or NULL. See pmu_callback() for details. + * + * @return #E_NO_ERROR if everything is successful, error if unsuccessful. + */ +int PMU_Start(unsigned int channel, const void *program_address, pmu_callback callback); + +/** + * @brief Set a loop counter value on a channel + * @param channel Channel number to set the value on + * @param counter_num Counter number for the channel (0 or 1) + * @param value Loop count value + * @returns #E_NO_ERROR if everything is successful, error if unsuccessful. + */ +int PMU_SetCounter(unsigned int channel, unsigned int counter_num, uint16_t value); + +/** + * @brief Stop a running channel. This will clear the enable bit on the channel + * and stop the running PMU program at the current opcode. The callback + * function is not called. + * @param channel Channel to stop + */ +void PMU_Stop(unsigned int channel); + +/** + * @brief Function to handle PMU interrupts. This function can be called from + * the PMU interrupt service routine, or periodically from the + * application if interrupts are not enabled. + */ +void PMU_Handler(void); + +/** + * @brief Set the AHB bus operation timeout on a channel + * @param channel Selected PMU channel + * @param timeoutClkScale Clk scale use for timeout clk + * @param timeoutTicks Number of ticks for timeout duration + * @returns #E_NO_ERROR if everything is successful, error if unsuccessful. + */ +int PMU_SetTimeout(unsigned int channel, pmu_ps_sel_t timeoutClkScale, pmu_to_sel_t timeoutTicks); + +/** + * @brief Gets the PMU channel's flags + * @param channel Selected PMU channel + * @return 0 = flags not set, non-zero = flags + */ +uint32_t PMU_GetFlags(unsigned int channel); + +/** + * @brief Clear the PMU channel's flags based on the mask + * @param channel Selected PMU channel + * @param mask bits of the flags to clear + */ +void PMU_ClearFlags(unsigned int channel, unsigned int mask); + +/** + * @brief Determines if the PMU channel is running + * @param channel Selected PMU channel + * @return 0 - channel is off + * @return non-zero = channel is running + */ +uint32_t PMU_IsActive(unsigned int channel); + +/**@} end of group pmuGroup*/ + +#ifdef __cplusplus +} +#endif + +#endif /* _PMU_H_ */