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Code Issues Releases Wiki Activity

Cleanup incomplete commits

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This commit is contained in:
Joerg Hoppe
2019-06-18 20:38:07 +02:00
parent a4dc6af85c
commit 264f6e5085
58 changed files with 1262 additions and 114 deletions
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26
10.01_base/2_src/arm/pru.cpp
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@@ -134,6 +134,7 @@ int pru_c::start(enum prucode_enum prucode_id) {
// use stop() before restart()
assert(this->prucode_id == PRUCODE_NONE);
/* initialize PRU */
if ((rtn = prussdrv_init()) != 0) {
ERROR("prussdrv_init() failed");
@@ -152,6 +153,7 @@ int pru_c::start(enum prucode_enum prucode_id) {
goto error;
}
/*
http://credentiality2.blogspot.com/2015/09/beaglebone-pru-ddr-memory-access.html
* get pointer to shared DDR
@@ -165,6 +167,13 @@ int pru_c::start(enum prucode_enum prucode_id) {
ddrmem->base_physical = prussdrv_get_phys_addr((void *) (ddrmem->base_virtual));
ddrmem->info(); // may abort program
// get address of mail box struct in PRU
mailbox_connect();
// now all mailbox command fields initialized/cleared, PRUs can be started
// get address of device register descriptor struct in PRU
iopageregisters_connect();
// search code in dictionary
struct prucode_entry *pce;
for (pce = prucode; pce->id != prucode_id && pce->id != PRUCODE_EOD; pce++)
@@ -190,19 +199,20 @@ int pru_c::start(enum prucode_enum prucode_id) {
pce->pru1_entry)) != 0) {
FATAL("prussdrv_exec_program(PRU1) failed");
}
INFO("Loaded pru code with id = %d", prucode_id);
INFO("Loaded and started PRU code with id = %d", prucode_id);
timeout.wait_ms(100); // wait for PRU to come up, much too long
// get address of mail box struct in PRU
mailbox_connect();
// now all fields initialized/cleared
// get address of device register descriptor struct in PRU
iopageregisters_connect();
this->prucode_id = prucode_id;
// verify PRU1 is executing its command loop
mailbox->arm2pru_req = ARM2PRU_NOP;
timeout.wait_ms(1);
if (mailbox->arm2pru_req != ARM2PRU_NONE) {
FATAL("PRU1 is not executing its command loop");
goto error;
}
return rtn;
error: //