/**
* Show open hardware logo at startup
*/
static void ICACHE_FLASH_ATTR
lcdInitTask(os_event_t *events) {
static uint32_t loopIterations = 0;
loopIterations+=1;
if (loopIterations < 2) {
// I wonder why the calls to initLCD in user_init doesn't 'take'
PCD8544_initLCD(&pcd8544_settings);
os_delay_us(50000);
PCD8544_lcdImage(openhardware_logo);
os_printf("Initiating display: %d\n", loopIterations);
os_timer_disarm(&lcd_timer);
os_timer_arm(&lcd_timer, user_procTaskPeriod, 0);
} else if (loopIterations == 2){
PCD8544_lcdClear();
PCD8544_gotoXY(0,0);
PCD8544_lcdPrint("mqtt topic:");
PCD8544_gotoXY(0,1);
PCD8544_lcdPrint(clientid);
}
}
void ICACHE_FLASH_ATTR
mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len) {
char *topicBuf = (char*) os_zalloc(topic_len + 1), *dataBuf = (char*) os_zalloc(data_len + 1);
MQTT_Client* client = (MQTT_Client*) args;
os_memcpy(topicBuf, topic, topic_len);
topicBuf[topic_len] = 0;
char *sp = topicBuf; // string pointer accessing internals of topicBuf
os_memcpy(dataBuf, data, data_len);
dataBuf[data_len] = 0;
INFO("Received topic: %s, data: %s [%d]\n", topicBuf, dataBuf, data_len);
if (strncmp(sp, clientid, strlen(clientid)) == 0) {
sp += strlen(clientid);
}
if (strcmp(sp, "/lcd0") == 0) {
PCD8544_gotoXY(0,0);
PCD8544_lcdPrint(dataBuf);
PCD8544_lcdPad(PCD8544_LCD_CHARS_PER_LINE-data_len);
} else if (strcmp(sp, "/lcd1") == 0) {
PCD8544_gotoXY(0,1);
PCD8544_lcdPrint(dataBuf);
PCD8544_lcdPad(PCD8544_LCD_CHARS_PER_LINE-data_len);
} else if (strcmp(sp, "/lcd2") == 0) {
PCD8544_gotoXY(0,2);
PCD8544_lcdPrint(dataBuf);
PCD8544_lcdPad(PCD8544_LCD_CHARS_PER_LINE-data_len);
} else if (strcmp(sp, "/lcd3") == 0) {
PCD8544_gotoXY(0,3);
PCD8544_lcdPrint(dataBuf);
PCD8544_lcdPad(PCD8544_LCD_CHARS_PER_LINE-data_len);
} else if (strcmp(sp, "/lcd4") == 0) {
PCD8544_gotoXY(0,4);
PCD8544_lcdPrint(dataBuf);
PCD8544_lcdPad(PCD8544_LCD_CHARS_PER_LINE-data_len);
} else if (strcmp(sp, "/lcd5") == 0) {
PCD8544_gotoXY(0,5);
PCD8544_lcdPrint(dataBuf);
PCD8544_lcdPad(PCD8544_LCD_CHARS_PER_LINE-data_len);
} else if ( (strcmp(topicBuf, "/lcd/contrast") == 0) || (strcmp(sp, "/contrast") == 0)) {
uint8_t contrast = atoi(dataBuf);
if (contrast>0){
// atoi("random non-numeric string") will return 0
INFO("Setting contrast to %d\n", contrast);
PCD8544_setContrast(contrast);
}
} else if ((strcmp(topicBuf, "/lcd/clearscreen") == 0) || (strcmp(sp, "/clearscreen") == 0)) {
PCD8544_lcdClear();
}
os_free(topicBuf);
os_free(dataBuf);
}
void ICACHE_FLASH_ATTR mb_pcd8544_handler(
struct espconn *pConnection,
request_method method,
char *url,
char *data,
uint16 data_len,
uint32 content_len,
char *response,
uint16 response_len
) {
struct jsonparse_state parser;
int type;
char tmp_str[20];
mb_pcd8544_config_t *p_config = mb_p_pcd8544_config;
bool is_post = (method == POST);
int start_cmd = -1; // 0=STOP, 1=START other none
uint8 tmp_ret = 0xFF;
// post config for INIT
if (method == POST && data != NULL && data_len != 0) {
jsonparse_setup(&parser, data, data_len);
while ((type = jsonparse_next(&parser)) != 0) {
if (type == JSON_TYPE_PAIR_NAME) {
if (jsonparse_strcmp_value(&parser, "Reset_pin") == 0) {
jsonparse_next(&parser);jsonparse_next(&parser);
p_config->resetPin = jsonparse_get_value_as_sint(&parser);
MB_PCD8544_DEBUG("PCD8544:CFG:Reset_pin:%d\n", p_config->resetPin);
} else if (jsonparse_strcmp_value(&parser, "Sce_pin") == 0) {
jsonparse_next(&parser);jsonparse_next(&parser);
p_config->scePin = jsonparse_get_value_as_sint(&parser);
MB_PCD8544_DEBUG("PCD8544:CFG:Sce_pin:%d\n", p_config->scePin);
} else if (jsonparse_strcmp_value(&parser, "Dc_pin") == 0) {
jsonparse_next(&parser);jsonparse_next(&parser);
p_config->dcPin = jsonparse_get_value_as_sint(&parser);
MB_PCD8544_DEBUG("PCD8544:CFG:Dc_pin:%d\n", p_config->dcPin);
} else if (jsonparse_strcmp_value(&parser, "Sdin_pin") == 0) {
jsonparse_next(&parser);jsonparse_next(&parser);
p_config->sdinPin = jsonparse_get_value_as_sint(&parser);
MB_PCD8544_DEBUG("PCD8544:CFG:Sdin_pin:%d\n", p_config->sdinPin);
} else if (jsonparse_strcmp_value(&parser, "Sclk_pin") == 0) {
jsonparse_next(&parser);jsonparse_next(&parser);
p_config->sclkPin = jsonparse_get_value_as_sint(&parser);
MB_PCD8544_DEBUG("PCD8544:CFG:Sclk_pin: %d\n", p_config->sclkPin);
} else if (tmp_ret = user_app_config_handler_part(&parser) != 0xFF){ // check for common app commands
MB_PCD8544_DEBUG("PCD8544:CFG:APPCONFIG:%d\n", tmp_ret);
}
else if (jsonparse_strcmp_value(&parser, "Goto_xy") == 0) { // 11,22
is_post = false;
jsonparse_next(&parser);jsonparse_next(&parser);
char tmp_goto[32];
jsonparse_copy_value(&parser, tmp_goto, 32);
char *p_comma = (char *)os_strstr(tmp_goto, ",");
if (tmp_goto > 0 && p_comma - tmp_goto < 32) {
char tmp_goto_[32];
strncpy(tmp_goto_, tmp_goto, p_comma - tmp_goto - 1);
int goto_x = atoi(tmp_goto_);
tmp_goto_[0] = 0x00;
strncpy(tmp_goto_, p_comma+1, 32);
int goto_y = atoi(tmp_goto_);
PCD8544_gotoXY(goto_x, goto_y);
MB_PCD8544_DEBUG("PCD8544:Goto_x/y:%d/%d\n", goto_x, goto_y);
}
MB_PCD8544_DEBUG("PCD8544:Goto_x/y:NA\n");
} else if (jsonparse_strcmp_value(&parser, "") == 0) {
is_post = false;
jsonparse_next(&parser);jsonparse_next(&parser);
char tmp_str[128];
jsonparse_copy_value(&parser, tmp_str, MB_VARNAMEMAX);
PCD8544_lcdPrint(tmp_str);
MB_PCD8544_DEBUG("PCD8544:lcdPrint:%s\n", tmp_str);
}
}
}
if (is_post) {
mb_pcd8544_hw_init();
}
}
mb_PCD8544_set_response(response, false, is_post ? MB_REQTYPE_POST : MB_REQTYPE_GET);
}
