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Add functions to demo to test CAN block / helpers

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Get / Set can filter ID & mask
Read last CAN frame
Read CAN frames in a loop
This commit is contained in:
Aadi Desai 2023-06-04 12:58:14 +01:00
parent 6cf6d0a643
commit 392374b8dc
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1 changed files with 83 additions and 0 deletions
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83
demo/main.cpp
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@ -10,6 +10,7 @@
#include <libbase/console.h>
#include <libbase/uart.h>
#include "can"
#include "note"
/*-----------------------------------------------------------------------*/
@ -99,6 +100,12 @@ static void help(void) {
#ifdef CSR_DAC_VOL_BASE
puts("volume - Get / Set DAC Volume");
#endif
#ifdef CSR_CAN_BASE
puts("can_id - Get / Set CAN ID");
puts("can_mask - Get / Set CAN Mask");
puts("can_read - Receive CAN Frames and print (delay in s)");
puts("can_watch - Watch CAN Frames at 2Hz");
#endif
}
/*-----------------------------------------------------------------------*/
@ -223,6 +230,72 @@ static void dac_vol_cmd(char **val) {
}
#endif
#ifdef CSR_CAN_BASE
static void can_id_cmd(char **val) {
char *token = get_token(val);
if (token == *val) {
printf("Current CAN ID (filter) is 0x%03X (max 0x7FF)\n", can_id_read());
} else {
int value = (int)strtol(token, NULL, 0);
printf("Setting CAN ID (filter) to 0x%03X (max 0x7FF)\n", value);
can_id_write(value);
}
}
static void can_mask_cmd(char **val) {
char *token = get_token(val);
if (token == *val) {
printf("Current CAN mask is 0x%03X (max 0x7FF)\n", can_mask_read());
} else {
int value = (int)strtol(token, NULL, 0);
printf("Setting CAN mask to 0x%03X (max 0x7FF)\n", value);
can_mask_write(value);
}
}
static void can_read_cmd(char **val) {
char *token = get_token(val);
int loop_delay;
if (token == *val) {
loop_delay = 10;
} else {
loop_delay = (int)strtol(token, NULL, 0) * 10;
}
while (true) {
can_frame frame = can_read();
printf("CAN ID: 0x%03X, data:", frame.id);
for (int i = 0; i < 8; i++) {
printf(" 0x%02X", frame.data[i]);
}
printf("\n");
for (int i = 0; i < loop_delay; i++) {
if (readchar_nonblock()) {
getchar();
return;
}
busy_wait(100);
}
}
}
static void can_watch_cmd() {
while (true) {
can_frame frame = can_read();
printf("CAN ID: 0x%03X, data:", frame.id);
for (int i = 0; i < 8; i++) {
printf(" 0x%02X", frame.data[i]);
}
printf("\r");
if (readchar_nonblock()) {
getchar();
printf("\n");
return;
}
busy_wait(200);
}
}
#endif
void donut(void);
static void donut_cmd(void) {
@ -271,6 +344,16 @@ static void console_service(void) {
#ifdef CSR_DAC_VOL_BASE
else if (strcmp(token, "volume") == 0)
dac_vol_cmd(&str);
#endif
#ifdef CSR_CAN_BASE
else if (strcmp(token, "can_id") == 0)
can_id_cmd(&str);
else if (strcmp(token, "can_mask") == 0)
can_mask_cmd(&str);
else if (strcmp(token, "can_read") == 0)
can_read_cmd(&str);
else if (strcmp(token, "can_watch") == 0)
can_watch_cmd();
#endif
prompt();
}