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adccmds: Add support for homing/probing triggering with regular mcu adc pins

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Add support for trigger_analog to adccmds.c .

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2026-02-14 13:35:13 -05:00
parent a44e905ffe
commit 9e962ee3f4
2 changed files with 17 additions and 3 deletions
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6
src/Kconfig
View File

@@ -183,7 +183,7 @@ config NEED_SENSOR_BULK
default y
config WANT_TRIGGER_ANALOG
bool
depends on WANT_HX71X || WANT_ADS1220 || WANT_LDC1612
depends on WANT_ADC || WANT_HX71X || WANT_ADS1220 || WANT_LDC1612
default y
config NEED_SOS_FILTER
bool
@@ -264,10 +264,10 @@ config WANT_SENSOR_ANGLE
bool "Support angle sensors"
depends on WANT_SPI
comment "Other features"
depends on WANT_HX71X || WANT_ADS1220 || WANT_LDC1612
depends on WANT_ADC || WANT_HX71X || WANT_ADS1220 || WANT_LDC1612
config WANT_TRIGGER_ANALOG
bool "Support for homing/probing events using analog sensors"
depends on WANT_HX71X || WANT_ADS1220 || WANT_LDC1612
depends on WANT_ADC || WANT_HX71X || WANT_ADS1220 || WANT_LDC1612
endmenu
# Generic configuration options for CANbus

14
src/adccmds.c
View File

@@ -9,6 +9,7 @@
#include "board/irq.h" // irq_disable
#include "command.h" // DECL_COMMAND
#include "sched.h" // DECL_TASK
#include "trigger_analog.h" // trigger_analog_update
struct analog_in {
struct timer timer;
@@ -19,6 +20,7 @@ struct analog_in {
uint8_t state, sample_count;
uint8_t bytes_per_report, data_count;
uint8_t data[48];
struct trigger_analog *ta;
};
static struct task_wake analog_wake;
@@ -100,6 +102,16 @@ DECL_COMMAND(command_query_analog_in,
" rest_ticks=%u bytes_per_report=%c"
" min_value=%hu max_value=%hu range_check_count=%c");
void
command_analog_in_attach_trigger_analog(uint32_t *args) {
struct analog_in *a = oid_lookup(args[0], command_config_analog_in);
a->ta = trigger_analog_oid_lookup(args[1]);
}
#if CONFIG_WANT_TRIGGER_ANALOG
DECL_COMMAND(command_analog_in_attach_trigger_analog,
"analog_in_attach_trigger_analog oid=%c trigger_analog_oid=%c");
#endif
#define BYTES_PER_SAMPLE 2
void
@@ -121,6 +133,7 @@ analog_in_task(void)
uint32_t next_begin_time = a->next_begin_time;
a->state++;
irq_enable();
trigger_analog_update(a->ta, value);
uint8_t *d = &a->data[a->data_count];
d[0] = value;
d[1] = value >> 8;
@@ -141,6 +154,7 @@ analog_in_shutdown(void)
struct analog_in *a;
foreach_oid(i, a, command_config_analog_in) {
gpio_adc_cancel_sample(a->pin);
a->ta = NULL;
if (a->sample_count) {
a->state = a->sample_count + 1;
a->next_begin_time += a->rest_time;