gronod/squeezelite-esp32
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add display + some refactoring

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This commit is contained in:
philippe44
2020-01-10 12:32:50 -08:00
parent daef63fdea
commit 450943735b
49 changed files with 4434 additions and 58 deletions
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components/display/text.c
+58 -3
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@@ -20,11 +20,57 @@
#include <string.h>
#include <ctype.h>
#include <arpa/inet.h>
#include "esp_log.h"
#include "config.h"
#define LINELEN 40
#define TAG "display"
#include "ssd1306.h"
#include "ssd1306_draw.h"
#include "ssd1306_font.h"
#include "ssd1306_default_if.h"
#define LINELEN 40
#define I2C_PORT 1
#define I2C_ADDRESS 0x3C
#define TAG "display"
static struct SSD1306_Device I2CDisplay;
static bool init, display;
void display_init(void) {
char *item = config_alloc_get(NVS_TYPE_STR, "display_config");
if (!item || !*item) {
ESP_LOGI(TAG, "no display");
return;
}
if (strstr(item, "I2C")) {
int scl = -1, sda = -1;
int width = -1, height = -1;
char *p;
// done no matter what
init = true;
// no time for smart parsing - this is for tinkerers
if ((p = strcasestr(item, "scl")) != NULL) scl = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(item, "sda")) != NULL) sda = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(item, "width")) != NULL) width = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(item, "height")) != NULL) height = atoi(strchr(p, '=') + 1);
if (sda != -1 && scl != -1 && width != -1 && height != -1) {
SSD1306_I2CMasterInitDefault( I2C_PORT, sda, scl );
SSD1306_I2CMasterAttachDisplayDefault( &I2CDisplay, width, height, I2C_ADDRESS, -1);
SSD1306_SetFont( &I2CDisplay, &Font_droid_sans_fallback_15x17 );
ESP_LOGI(TAG, "initialized I2C display %dx%d (sda:%d, scl:%d)", width, height, sda, scl);
display = true;
} else {
ESP_LOGI(TAG, "cannot initialized I2C display %s [%dx%d sda:%d, scl:%d]", item, width, height, sda, scl);
}
} else {
// other types
}
}
//Change special LCD chars to something more printable on screen
unsigned char printable(unsigned char c) {
@@ -69,6 +115,13 @@ void show_display_buffer(char *ddram) {
makeprintable((unsigned char *)line2);
ESP_LOGI(TAG, "\n\t%.40s\n\t%.40s", line1, line2);
if (display) {
SSD1306_Clear( &I2CDisplay, SSD_COLOR_BLACK );
SSD1306_FontDrawAnchoredString( &I2CDisplay, TextAnchor_NorthWest, line1, SSD_COLOR_WHITE );
SSD1306_FontDrawAnchoredString( &I2CDisplay, TextAnchor_SouthWest, line2, SSD_COLOR_WHITE );
SSD1306_Update( &I2CDisplay );
}
}
// Check if char is printable, or a valid symbol
@@ -93,6 +146,8 @@ void vfd_data( unsigned short *data, int bytes_read) {
int n;
int addr = 0; /* counter */
if (!init) display_init();
if (bytes_read % 2) bytes_read--; /* even number of bytes */
// if we use Noritake VFD codes, display data starts at 12
display_data = &(data[5]); /* display data starts at byte 10 */