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46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* pru_pru_mailbox.h: structure for data exchange between PRU0 and PRU1
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Copyright (c) 2018, Joerg Hoppe
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j_hoppe@t-online.de, www.retrocmp.com
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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JOERG HOPPE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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12-nov-2018 JH entered beta phase
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*/
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#ifndef _PRU_PRU_MAILBOX_H_
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#define _PRU_PRU_MAILBOX_H_
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#include <stdint.h>
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typedef struct {
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// just the state of PRU0 R30 output.
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// PRU1 writes the value
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// PRU0 monitors and copies to its local R30 = REG_DATA_OUT pins
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uint32_t xxx_pru0_r30 ;
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} pru_pru_mailbox_t ;
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#ifndef _PRU_PRU_MAILBOX_C_
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extern volatile pru_pru_mailbox_t pru_pru_mailbox ;
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#endif
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#endif
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