Working version including remote access
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mos.yml
47
mos.yml
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@ -29,45 +29,22 @@ config_schema:
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# - ["my_app.bool_value", "b", false, {title: "Some boolean value"}]
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# - ["my_app.string_value", "s", "", {title: "Some string value"}]
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# - ["my_app.int_value", "i", 123, {title: "Some integer value"}]
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- ["i2c.enable", true]
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- ["i2c.freq", 400]
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- ["i2c.sda_gpio", 4] # D2
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- ["i2c.scl_gpio", 5] # D1
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- ["flashLight", "o", {title: "Flash light / alarm light settings"}]
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- ["flashLight.address", "i", 0x30, {title: "i2c address of motor controller TB6612 (e.g. WEMOS)"}]
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- ["flashLight.motorFrequency", "i", 500, {title: "Frequency of PWM in Hz"}]
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- ["flashLight.motorUpdateTime", "i", 50, {title: "Time between motor updates in msec"}]
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- ["flashLight.mqttCtrlTopic", "s", "flashLight/%s/ctrl", {title: "MQTT channel to subscribe to receive commands; %s is replaced by clientId"}]
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- ["flashLight.mqttStatusTopic", "s", "flashLight/%s/status", {title: "MQTT channel to publish to send status change infos; %s is replaced by clientId"}]
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- ["mqtt.enable", true]
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- ["mqtt.server", "mqtt.pmpark.de:1883"]
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- ["mqtt.user", "default"]
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- ["mqtt.pass", "12345678"]
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- ["mqtt.will_message", "offline"]
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- ["mqtt.will_topic", "flashLight/"]
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# - ["i2c.enable", true]
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# - ["i2c.freq", 400]
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# - ["i2c.sda_gpio", 4] # D2
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# - ["i2c.scl_gpio", 5] # D1
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- ["tp", "o", {title: "Thermo printer controller settings"}]
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- ["tp.escapeCharacter", "i", 27, {title: "ASCII code of character, that is to be used as escape character in text interpretation"}]
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# - ["mqtt.enable", true]
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# - ["mqtt.server", "mqtt.pmpark.de:1883"]
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# - ["mqtt.user", "default"]
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# - ["mqtt.pass", "12345678"]
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# - ["mqtt.will_message", "offline"]
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# - ["mqtt.will_topic", "flashLight/"]
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- ["sntp.enable", true]
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- ["sntp.server", "time.google.com"]
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# These settings get compiled into the C structure, and can be accessed
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# from the C code this way:
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#
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# printf("Hello from %s!\n", mgos_sys_config_get_device_id());
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#
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# Settings are cool: can be modified remotely without full firmware upgrade!
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#
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# To see all available compiled settings, buid the firmware and open
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# build/gen/mgos_config.h file.
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#
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# Also, in this config_schema section, you can override existing
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# settings that has been created by other libraries. For example, debug log
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# level is 2 by default. For this firmware we can override it to 3:
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#
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# config_schema:
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# - ["debug.level", 3]
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# List of libraries used by this app, in order of initialisation
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libs:
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- origin: https://github.com/mongoose-os-libs/ca-bundle
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109
src/QR204.c
109
src/QR204.c
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@ -4,12 +4,14 @@ static bool initialized = false;
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static uint8_t uart = 0;
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static const char initCmd[] = { 0x1b, '@' };
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static char configuredEscapeCharacter = 0;
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// ***** INIT *****
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void tp_init(uint8_t uartNo) {
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if (!initialized) {
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uart = uartNo;
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mgos_uart_write(uart, initCmd, sizeof(initCmd));
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configuredEscapeCharacter = (char) mgos_sys_config_get_tp_escapeCharacter();
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initialized = true;
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}
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}
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@ -21,15 +23,26 @@ static uint8_t currentMode = 0;
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void tp_set_mode(uint8_t addModes) {
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currentMode |= addModes;
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char setModeCmd[3] = {0x1b, '!', currentMode};
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LOG(LL_INFO, ("Change mode to %x, tried to set modes %x", currentMode, addModes));
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mgos_uart_write(uart, setModeCmd, 3);
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}
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void tp_reset_mode(uint8_t removeModes) {
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currentMode &= ~removeModes;
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char setModeCmd[3] = {0x1b, '!', currentMode};
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LOG(LL_INFO, ("Change mode to %x, tried to remove modes %x", currentMode, removeModes));
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mgos_uart_write(uart, setModeCmd, 3);
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}
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void tp_toggle_mode(uint8_t toggleModes) {
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currentMode ^= toggleModes;
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char setModeCmd[3] = {0x1b, '!', currentMode};
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LOG(LL_INFO, ("Change mode to %x, tried to toggle modes %x", currentMode, toggleModes));
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mgos_uart_write(uart, setModeCmd, 3);
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}
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// ***** End of MODE Handling *****
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void tp_reverse_feed(uint8_t numLines) {
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char cmd[3] = { 0x1b, 'e', numLines };
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mgos_uart_write(uart, cmd, 3);
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@ -45,28 +58,78 @@ void tp_cutpaper(bool fullcut) {
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mgos_uart_write(uart, cmd, 3);
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}
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// ***** End of MODE Handling *****
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#define ON true
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#define OFF false
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/*
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PRINT #1, CHR$(&H1B);"@"; 'Initializes the printer (ESC @)
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PRINT #1, CHR$(&H1B);"a";CHR$(1);'Specifies a centered printing position (ESC a)
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PRINT #1, CHR$(&H1B);"!";CHR$(0); 'Specifies font A (ESC !)
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PRINT #1, "January 14, 2002 15:00";
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PRINT #1, CHR$(&H1B);"d";CHR$(3); 'Prints and 3 line feeding (ESC d)
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PRINT #1, CHR$(&H1B);"a";CHR$(0); 'Selects the left print position (ESC a)
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PRINT #1, CHR$(&H1B);"!";CHR$(1); 'Selects font B
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PRINT #1, "TM-U210B"
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PRINT #1, "TM-U210D"
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PRINT #1, "PS-170"
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PRINT #1, CHR$(&HA);
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$20.00";CHR$(&HA); $21.00";CHR$(&HA); $17.00";CHR$(&HA);
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'Line feeding (LF)
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PRINT #1, CHR$(&H1B);"!";CHR$(17); 'Selects double-height mode
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PRINT #1, "TOTAL $58.00"; CHR$(&HA);
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PRINT #1, CHR$(&H1B);"!";CHR$(0); 'Cancels double-height mode
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PRINT #1, "------------------------------";CHR$(&HA); PRINT #1, "PAID $60.00";CHR$(&HA); PRINT #1, "CHANGE $ 2.00";CHR$(&HA);
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PRINT #1, CHR$(&H1D);"V";CHR$(66);CHR$(0); 'Feeds paper & cut
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’Drawer Kick (ESC p)
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PRINT #1, CHR$(&H1B); CHR$(&H70); CHR$(&H0); CHR$(60); CHR$(120);
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static bool escaped = false;
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static bool start_of_line = true;
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*/
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void tp_print_text(char *text) {
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char *currentChar = text;
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char previousChar = 0;
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char *endChar = &text[strlen(text)];
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bool ignoreAfterSpecialChar = false;
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start_of_line = true;
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escaped = false;
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for (currentChar = text; currentChar <= endChar; previousChar = *currentChar, currentChar++) {
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if (*currentChar == configuredEscapeCharacter) {
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*currentChar = '\\';
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}
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switch (*currentChar) {
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case 0: // end of string, do not print; flush print buffers by sending new line
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tp_reset_mode(TP_MODE_ALL);
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mgos_uart_write(uart, "\n", 1);
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LOG(LL_INFO, ("0-Byte reached, ending processing of text"));
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start_of_line = true;
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break;
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case '\n': // end of line (any character can be used): stop heading mode if necessary
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case '\r':
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tp_reset_mode(TP_MODE_DOUBLEHEIGHT);
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start_of_line = true;
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break;
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case '#': // heading, any level: use double height print
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if (escaped) {
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mgos_uart_write(uart, "#", 1);
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escaped = false;
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} else if (start_of_line) tp_set_mode(TP_MODE_DOUBLEHEIGHT);
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start_of_line = false;
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break;
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case ' ': // white space characters
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case '\t':
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ignoreAfterSpecialChar = (previousChar == '#') || (previousChar == ' ') || (previousChar == '\t') || escaped;
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if (!ignoreAfterSpecialChar) {
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mgos_uart_write(uart, " ", 1);
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escaped = false;
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}
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break;
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case '_': // Underline?
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if (escaped) {
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mgos_uart_write(uart, "_", 1);
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escaped = false;
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} else tp_toggle_mode(TP_MODE_UNDERLINED);
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if (previousChar == '_') mgos_uart_write(uart, "_", 1); // __ prints a single _
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start_of_line = false;
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break;
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case '*': // Emphasize?
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if (escaped) {
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mgos_uart_write(uart, "*", 1);
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escaped = false;
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} else tp_toggle_mode(TP_MODE_EMPHASIZED);
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if (previousChar == '*') mgos_uart_write(uart, "*", 1); // ** prints a single *
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start_of_line = false;
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break;
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case '\\': // Escape character -- do not print, except it was escaped
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if (escaped) {
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mgos_uart_write(uart, &configuredEscapeCharacter, 1);
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escaped = false;
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} else escaped = true; // do not print yet
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break;
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default:
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mgos_uart_write(uart, currentChar, 1);
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start_of_line = false;
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break;
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}
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}
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tp_reset_mode(TP_MODE_ALL);
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}
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@ -8,7 +8,7 @@
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#define TP_MODE_ALTERNATEFONT 0x01
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#define TP_MODE_EMPFHASIZED 0x08
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#define TP_MODE_EMPHASIZED 0x08
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#define TP_MODE_DOUBLEHEIGHT 0x10
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#define TP_MODE_DOUBLEWIDTH 0x20
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#define TP_MODE_UNDERLINED 0x80
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@ -21,5 +21,6 @@ extern void tp_set_mode(uint8_t addModes);
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extern void tp_reset_mode(uint8_t removeModes);
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extern void tp_reverse_feed(uint8_t numLines);
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extern void tp_linefeed(uint8_t numLines);
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extern void tp_print_text(char *text);
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#endif
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39
src/main.c
39
src/main.c
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@ -64,7 +64,11 @@ static void timer_cb(void *arg) {
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esp_chip_info(&ci);
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tp_print(UART_NO, "t=%.1f C, h=%ld mH, tasks=%d\n", (float) (temp-32)/1.8 - tempOffset, hall, uxTaskGetNumberOfTasks());
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#elif CS_PLATFORM == CS_P_ESP8266
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tp_print(UART_NO, "xyz\n");
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tp_print(UART_NO,
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"mem=%d kB, free=%d kB, fs=%d kB\n",
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(int) mgos_get_heap_size()/1024,
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(int) mgos_get_free_heap_size()/1024,
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(int) mgos_get_fs_size()/1024);
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#endif
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(void) arg;
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@ -89,6 +93,33 @@ static void printSystemInfo() {
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#endif
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}
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// RPC Interfaces
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static void rpc_tpPrint(struct mg_rpc_request_info *ri, void *cb_arg,
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struct mg_rpc_frame_info *fi, struct mg_str args) {
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struct mbuf fb;
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struct json_out out = JSON_OUT_MBUF(&fb);
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char *text = NULL;
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mbuf_init(&fb, 100);
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if (json_scanf(args.p, args.len, ri->args_fmt, &text) == 1) {
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LOG(LL_INFO, ("TP print text: %s\n", text));
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json_printf(&out, "{result: 0, resultString: %Q}", "OK");
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tp_print_text(text);
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} else {
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json_printf(&out, "{error: %Q}", "text is required");
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}
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mg_rpc_send_responsef(ri, "%.*s", fb.len, fb.buf);
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ri = NULL;
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mbuf_free(&fb);
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(void) cb_arg;
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(void) fi;
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(void) args;
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}
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enum mgos_app_init_result mgos_app_init(void) {
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struct mgos_uart_config ucfg;
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mgos_uart_config_set_defaults(UART_NO, &ucfg);
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@ -105,11 +136,15 @@ enum mgos_app_init_result mgos_app_init(void) {
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return MGOS_APP_INIT_ERROR;
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}
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mgos_uart_set_rx_enabled(UART_NO, false);
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printf("Initial printer operation");
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tp_init(UART_NO);
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mgos_set_timer(60000 /* ms */, true /* repeat */, timer_cb, NULL /* arg */);
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mgos_uart_set_rx_enabled(UART_NO, false);
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// Initialize RPC interfaces
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struct mg_rpc *c = mgos_rpc_get_global();
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mg_rpc_add_handler(c, "TP.Print", "{text: %Q}", rpc_tpPrint, NULL);
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tp_reset_mode(TP_MODE_ALL);
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tp_print(UART_NO, "TEST Print\r");
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