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57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* pru0_main.c: endless loop, writes outputs on R30 from mailbox (C solution)
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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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from d:\RetroCmp\dec\pdp11\UniBone\91_3rd_party\pru-c-compile\pru-software-support-package\examples\am335x\PRU_gpioToggle\
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*/
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#include <stdint.h>
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#include <pru_cfg.h>
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#include "resource_table_empty.h"
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#include "pru_pru_mailbox.h"
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volatile register uint32_t __R30;
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volatile register uint32_t __R31;
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void main(void) {
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/* Clear SYSCFG[STANDBY_INIT] to enable OCP master port */
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CT_CFG.SYSCFG_bit.STANDBY_INIT = 0;
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// loop forever
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void pru0_dataout(void) ;
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pru0_dataout() ;
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#ifdef USED
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// old code using shared RAM mailbox, not reached
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while(1) {
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__R30 = pru_pru_mailbox.pru0_r30 ;
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}
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#endif
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}
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