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Add set_GPIO, handle GPIO 36/39 bug

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This commit is contained in:
philippe44
2020-02-01 01:53:50 -08:00
parent e1e3b820f3
commit dfebb8ceb6
7 changed files with 44 additions and 16 deletions
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14
components/services/battery.c
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@@ -17,6 +17,13 @@
#include "driver/adc.h"
#include "battery.h"
/*
There is a bug in esp32 which causes a spurious interrupt on gpio 36/39 when
using ADC, AMP and HALL sensor. Rather than making battery aware, we just ignore
if as the interrupt lasts 80ns and should be debounced (and the ADC read does not
happen very often)
*/
#define BATTERY_TIMER (10*1000)
static const char *TAG = "battery";
@@ -27,6 +34,13 @@ static struct {
TimerHandle_t timer;
} battery;
/****************************************************************************************
*
*/
int battery_value_svc(void) {
return battery.avg;
}
/****************************************************************************************
*
*/

8
components/services/buttons.c
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@@ -31,6 +31,9 @@
#include "esp_task.h"
#include "driver/gpio.h"
#include "buttons.h"
#include "globdefs.h"
bool gpio36_39_used;
static const char * TAG = "buttons";
@@ -208,7 +211,10 @@ void button_create(void *client, int gpio, int type, bool pull, int debounce, bu
ESP_LOGW(TAG, "cannot set pull up/down for gpio %u", gpio);
}
}
// nasty ESP32 bug: fire-up constantly INT on GPIO 36/39 if ADC1, AMP, Hall which WiFi when PS is activated
if (gpio == 36 || gpio == 39) gpio36_39_used = true;
gpio_isr_handler_add(gpio, gpio_isr_handler, (void*) &buttons[n_buttons]);
gpio_intr_enable(gpio);

1
components/services/globdefs.h
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@@ -22,6 +22,7 @@
#define I2C_SYSTEM_PORT 1
extern int i2c_system_port;
extern bool gpio36_39_used;
#ifdef CONFIG_SQUEEZEAMP
#define JACK_GPIO 34

2
components/services/monitor.h
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@@ -26,3 +26,5 @@ extern bool jack_inserted_svc(void);
extern void (*spkfault_handler_svc)(bool inserted);
extern bool spkfault_svc(void);
extern int battery_value_svc(void);

22
components/services/services.c
View File

@@ -41,17 +41,19 @@ void services_init(void) {
#endif
// set fixed gpio if any
if ((nvs_item = config_alloc_get(NVS_TYPE_STR, "Vcc_GPIO")) != NULL) {
char *p = nvs_item;
while (p && *p) {
int gpio = atoi(p);
gpio_pad_select_gpio(gpio);
gpio_set_direction(gpio, GPIO_MODE_OUTPUT);
gpio_set_level(gpio, 1);
if ((nvs_item = config_alloc_get(NVS_TYPE_STR, "set_GPIO")) != NULL) {
char *p = nvs_item, type[4];
int gpio;
do {
if (sscanf(p, "%d=%3[^,]", &gpio, type) > 0) {
gpio_pad_select_gpio(gpio);
gpio_set_direction(gpio, GPIO_MODE_OUTPUT);
if (!strcasecmp(type, "vcc")) gpio_set_level(gpio, 1);
else if (!strcasecmp(type, "gnd")) gpio_set_level(gpio, 0);
ESP_LOGI(TAG, "set GPIO %u to %s", gpio, type);
}
p = strchr(p, ',');
ESP_LOGI(TAG, "set GPIO %u to Vcc", gpio);
if (p) p++;
}
} while (p++);
free(nvs_item);
}