Tronk
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@@ -10,13 +10,14 @@ CSE_CST328 tsPanel = CSE_CST328(EINK_WIDTH, EINK_HEIGHT, &Wire, CST328_PIN_RST,
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static bool is_cst3530 = false;
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volatile bool touch_isr = false;
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#define CST3530_ADDR 0x1A
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#define CST3530_ADDR 0x1A
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bool read_cst3530_touch(int16_t *x, int16_t *y) {
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bool read_cst3530_touch(int16_t *x, int16_t *y)
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{
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uint8_t buffer[9] = {0};
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uint8_t r_cmd[] = {0xD0, 0x07, 0x00, 0x00};
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uint8_t clear_cmd[] = {0xD0, 0x00, 0x02, 0xAB};
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uint8_t clear_cmd[] = {0xD0, 0x00, 0x02, 0xAB};
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Wire.beginTransmission(CST3530_ADDR);
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Wire.write(r_cmd, sizeof(r_cmd));
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if (Wire.endTransmission() != 0) {
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@@ -41,13 +42,13 @@ bool read_cst3530_touch(int16_t *x, int16_t *y) {
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}
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uint8_t touch_points = buffer[3] & 0x0F;
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if (touch_points == 0 || touch_points > 1) {
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if (touch_points == 0 || touch_points > 1) {
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LOG_DEBUG("CST3530 touch points invalid: %d", touch_points);
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return false;
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}
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*x = buffer[4] + ((uint16_t)(buffer[7] & 0x0F) << 8);
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*y = buffer[5] + ((uint16_t)(buffer[7] & 0xF0) << 4);
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*x = buffer[4] + ((uint16_t)(buffer[7] & 0x0F) << 8);
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*y = buffer[5] + ((uint16_t)(buffer[7] & 0xF0) << 4);
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// LOG_DEBUG("CST3530 touch: num:%d x=%d,y=%d", touch_points, *x, *y);
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@@ -63,13 +64,13 @@ bool read_cst3530_touch(int16_t *x, int16_t *y) {
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bool readTouch(int16_t *x, int16_t *y)
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{
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if(is_cst3530){
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if(touch_isr){
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if (is_cst3530) {
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if (touch_isr) {
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touch_isr = false;
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return read_cst3530_touch(x, y);
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}
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return false;
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}else{
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} else {
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if (tsPanel.getTouches()) {
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*x = tsPanel.getPoint(0).x;
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*y = tsPanel.getPoint(0).y;
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@@ -79,8 +80,8 @@ bool readTouch(int16_t *x, int16_t *y)
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return false;
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}
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static void IRAM_ATTR touchInterruptHandler(){
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static void IRAM_ATTR touchInterruptHandler()
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{
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touch_isr = true;
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}
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@@ -98,30 +99,30 @@ void lateInitVariant()
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int retry = 5;
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uint8_t buffer[7];
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uint8_t r_cmd[] = {0x0d0,0x03,0x00,0x00};
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uint8_t r_cmd[] = {0x0d0, 0x03, 0x00, 0x00};
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// Probe touch chip
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while(retry--) {
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while (retry--) {
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Wire.beginTransmission(CST3530_ADDR);
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Wire.write(r_cmd, sizeof(r_cmd));
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if(Wire.endTransmission() == 0){
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Wire.requestFrom((int)CST3530_ADDR,7);
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Wire.readBytes(buffer,7);
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if(buffer[2] == 0xCA && buffer[3] == 0xCA){
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if (Wire.endTransmission() == 0) {
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Wire.requestFrom((int)CST3530_ADDR, 7);
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Wire.readBytes(buffer, 7);
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if (buffer[2] == 0xCA && buffer[3] == 0xCA) {
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LOG_DEBUG("CST3530 detected");
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is_cst3530 = true;
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// The CST3530 will automatically enter sleep mode;
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// polling should not be used, but rather an interrupt method should be employed.
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// The CST3530 will automatically enter sleep mode;
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// polling should not be used, but rather an interrupt method should be employed.
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pinMode(CST328_PIN_INT, INPUT);
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attachInterrupt(digitalPinToInterrupt(CST328_PIN_INT), touchInterruptHandler, FALLING);
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break;
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}else{
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} else {
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LOG_DEBUG("CST3530 not response ~!");
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}
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}
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uint8_t cmd1[] = {0xD0,0x00,0x04,0x00};
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uint8_t cmd1[] = {0xD0, 0x00, 0x04, 0x00};
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Wire.beginTransmission(CST3530_ADDR);
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Wire.write(cmd1, sizeof(cmd1));
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Wire.endTransmission();
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@@ -5,7 +5,7 @@
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#define PIN_EINK_RES 16
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#define PIN_EINK_SCLK 36
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#define PIN_EINK_MOSI 47
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#define TFT_BL 45 // option , default not backlight
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#define TFT_BL 45 // option , default not backlight
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#define I2C_SDA SDA
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#define I2C_SCL SCL
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