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-rw-r--r--drivers/led/issi/is31fl3731-simple.c13
-rw-r--r--drivers/led/issi/is31fl3731-simple.h2
-rw-r--r--drivers/led/issi/is31fl3731.c13
-rw-r--r--drivers/led/issi/is31fl3731.h2
-rw-r--r--drivers/led/issi/is31fl3733.c25
-rw-r--r--drivers/led/issi/is31fl3733.h11
-rw-r--r--drivers/led/issi/is31fl3736.c19
-rw-r--r--drivers/led/issi/is31fl3736.h12
-rw-r--r--drivers/led/issi/is31fl3737.c19
-rw-r--r--drivers/led/issi/is31fl3737.h12
-rw-r--r--drivers/led/issi/is31fl3741.c16
-rw-r--r--drivers/led/issi/is31fl3741.h11
12 files changed, 135 insertions, 20 deletions
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c
index d295772f5e..f51e2e38af 100644
--- a/drivers/led/issi/is31fl3731-simple.c
+++ b/drivers/led/issi/is31fl3731-simple.c
@@ -1,6 +1,7 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2019 Clueboard
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -40,6 +41,9 @@
#define ISSI_REG_PICTUREFRAME 0x01
+// Not defined in the datasheet -- See AN for IC
+#define ISSI_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
+
#define ISSI_REG_SHUTDOWN 0x0A
#define ISSI_REG_AUDIOSYNC 0x06
@@ -144,6 +148,9 @@ void IS31FL3731_init(uint8_t addr) {
// enable software shutdown
IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
+#ifdef ISSI_3731_DEGHOST // set to enable de-ghosting of the array
+ IS31FL3731_write_register(addr, ISSI_REG_GHOST_IMAGE_PREVENTION, 0x10);
+#endif
// this delay was copied from other drivers, might not be needed
wait_ms(10);
@@ -186,8 +193,9 @@ void IS31FL3731_init(uint8_t addr) {
}
void IS31FL3731_set_value(int index, uint8_t value) {
+ is31_led led;
if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
// Subtract 0x24 to get the second index of g_pwm_buffer
g_pwm_buffer[led.driver][led.v - 0x24] = value;
@@ -202,7 +210,8 @@ void IS31FL3731_set_value_all(uint8_t value) {
}
void IS31FL3731_set_led_control_register(uint8_t index, bool value) {
- is31_led led = g_is31_leds[index];
+ is31_led led;
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
uint8_t control_register = (led.v - 0x24) / 8;
uint8_t bit_value = (led.v - 0x24) % 8;
diff --git a/drivers/led/issi/is31fl3731-simple.h b/drivers/led/issi/is31fl3731-simple.h
index ecde31eed5..ded94b0470 100644
--- a/drivers/led/issi/is31fl3731-simple.h
+++ b/drivers/led/issi/is31fl3731-simple.h
@@ -27,7 +27,7 @@ typedef struct is31_led {
uint8_t v;
} __attribute__((packed)) is31_led;
-extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3731_init(uint8_t addr);
void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3731.c b/drivers/led/issi/is31fl3731.c
index 110bdc1be4..e6190a6b90 100644
--- a/drivers/led/issi/is31fl3731.c
+++ b/drivers/led/issi/is31fl3731.c
@@ -1,5 +1,6 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -39,6 +40,9 @@
#define ISSI_REG_PICTUREFRAME 0x01
+// Not defined in the datasheet -- See AN for IC
+#define ISSI_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
+
#define ISSI_REG_SHUTDOWN 0x0A
#define ISSI_REG_AUDIOSYNC 0x06
@@ -132,6 +136,9 @@ void IS31FL3731_init(uint8_t addr) {
// enable software shutdown
IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
+#ifdef ISSI_3731_DEGHOST // set to enable de-ghosting of the array
+ IS31FL3731_write_register(addr, ISSI_REG_GHOST_IMAGE_PREVENTION, 0x10);
+#endif
// this delay was copied from other drivers, might not be needed
wait_ms(10);
@@ -174,8 +181,9 @@ void IS31FL3731_init(uint8_t addr) {
}
void IS31FL3731_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31_led led;
if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
// Subtract 0x24 to get the second index of g_pwm_buffer
g_pwm_buffer[led.driver][led.r - 0x24] = red;
@@ -192,7 +200,8 @@ void IS31FL3731_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void IS31FL3731_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
+ is31_led led;
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
uint8_t control_register_r = (led.r - 0x24) / 8;
uint8_t control_register_g = (led.g - 0x24) / 8;
diff --git a/drivers/led/issi/is31fl3731.h b/drivers/led/issi/is31fl3731.h
index 803ea3ea12..6647119eba 100644
--- a/drivers/led/issi/is31fl3731.h
+++ b/drivers/led/issi/is31fl3731.h
@@ -28,7 +28,7 @@ typedef struct is31_led {
uint8_t b;
} __attribute__((packed)) is31_led;
-extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3731_init(uint8_t addr);
void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3733.c b/drivers/led/issi/is31fl3733.c
index d99e5339c9..696491d070 100644
--- a/drivers/led/issi/is31fl3733.c
+++ b/drivers/led/issi/is31fl3733.c
@@ -1,6 +1,7 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -56,6 +57,18 @@
# define ISSI_PERSISTENCE 0
#endif
+#ifndef ISSI_PWM_FREQUENCY
+# define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3733B only
+#endif
+
+#ifndef ISSI_SWPULLUP
+# define ISSI_SWPULLUP PUR_0R
+#endif
+
+#ifndef ISSI_CSPULLUP
+# define ISSI_CSPULLUP PUR_0R
+#endif
+
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
@@ -154,18 +167,23 @@ void IS31FL3733_init(uint8_t addr, uint8_t sync) {
// Select PG3
IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
+ // Set de-ghost pull-up resistors (SWx)
+ IS31FL3733_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
+ // Set de-ghost pull-down resistors (CSx)
+ IS31FL3733_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
// Set global current to maximum.
IS31FL3733_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.
- IS31FL3733_write_register(addr, ISSI_REG_CONFIGURATION, (sync << 6) | 0x01);
+ IS31FL3733_write_register(addr, ISSI_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
}
void IS31FL3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31_led led;
if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
g_pwm_buffer[led.driver][led.r] = red;
g_pwm_buffer[led.driver][led.g] = green;
@@ -181,7 +199,8 @@ void IS31FL3733_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void IS31FL3733_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
+ is31_led led;
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
uint8_t control_register_r = led.r / 8;
uint8_t control_register_g = led.g / 8;
diff --git a/drivers/led/issi/is31fl3733.h b/drivers/led/issi/is31fl3733.h
index 64fd38eb19..c5d62fed85 100644
--- a/drivers/led/issi/is31fl3733.h
+++ b/drivers/led/issi/is31fl3733.h
@@ -1,6 +1,7 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -29,7 +30,7 @@ typedef struct is31_led {
uint8_t b;
} __attribute__((packed)) is31_led;
-extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3733_init(uint8_t addr, uint8_t sync);
bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
@@ -47,6 +48,14 @@ void IS31FL3733_set_led_control_register(uint8_t index, bool red, bool green, bo
void IS31FL3733_update_pwm_buffers(uint8_t addr, uint8_t index);
void IS31FL3733_update_led_control_registers(uint8_t addr, uint8_t index);
+#define PUR_0R 0x00 // No PUR resistor
+#define PUR_05KR 0x02 // 0.5k Ohm resistor in t_NOL
+#define PUR_3KR 0x03 // 3.0k Ohm resistor on all the time
+#define PUR_4KR 0x04 // 4.0k Ohm resistor on all the time
+#define PUR_8KR 0x05 // 8.0k Ohm resistor on all the time
+#define PUR_16KR 0x06 // 16k Ohm resistor on all the time
+#define PUR_32KR 0x07 // 32k Ohm resistor in t_NOL
+
#define A_1 0x00
#define A_2 0x01
#define A_3 0x02
diff --git a/drivers/led/issi/is31fl3736.c b/drivers/led/issi/is31fl3736.c
index 7dece1b1eb..c9a871118d 100644
--- a/drivers/led/issi/is31fl3736.c
+++ b/drivers/led/issi/is31fl3736.c
@@ -1,4 +1,5 @@
/* Copyright 2018 Jason Williams (Wilba)
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -54,6 +55,14 @@
# define ISSI_PERSISTENCE 0
#endif
+#ifndef ISSI_SWPULLUP
+# define ISSI_SWPULLUP PUR_0R
+#endif
+
+#ifndef ISSI_CSPULLUP
+# define ISSI_CSPULLUP PUR_0R
+#endif
+
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
@@ -140,6 +149,10 @@ void IS31FL3736_init(uint8_t addr) {
// Select PG3
IS31FL3736_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
+ // Set de-ghost pull-up resistors (SWx)
+ IS31FL3736_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
+ // Set de-ghost pull-down resistors (CSx)
+ IS31FL3736_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
// Set global current to maximum.
IS31FL3736_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.
@@ -150,8 +163,9 @@ void IS31FL3736_init(uint8_t addr) {
}
void IS31FL3736_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31_led led;
if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
g_pwm_buffer[led.driver][led.r] = red;
g_pwm_buffer[led.driver][led.g] = green;
@@ -167,7 +181,8 @@ void IS31FL3736_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void IS31FL3736_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
+ is31_led led;
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
// IS31FL3733
// The PWM register for a matrix position (0x00 to 0xBF) can be
diff --git a/drivers/led/issi/is31fl3736.h b/drivers/led/issi/is31fl3736.h
index c956c87f7c..9fbe1cc577 100644
--- a/drivers/led/issi/is31fl3736.h
+++ b/drivers/led/issi/is31fl3736.h
@@ -1,4 +1,5 @@
/* Copyright 2018 Jason Williams (Wilba)
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -38,7 +39,7 @@ typedef struct is31_led {
uint8_t b;
} __attribute__((packed)) is31_led;
-extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3736_init(uint8_t addr);
void IS31FL3736_write_register(uint8_t addr, uint8_t reg, uint8_t data);
@@ -60,6 +61,15 @@ void IS31FL3736_mono_set_led_control_register(uint8_t index, bool enabled);
void IS31FL3736_update_pwm_buffers(uint8_t addr1, uint8_t addr2);
void IS31FL3736_update_led_control_registers(uint8_t addr1, uint8_t addr2);
+#define PUR_0R 0x00 // No PUR resistor
+#define PUR_05KR 0x01 // 0.5k Ohm resistor
+#define PUR_1KR 0x02 // 1.0k Ohm resistor
+#define PUR_2KR 0x03 // 2.0k Ohm resistor
+#define PUR_4KR 0x04 // 4.0k Ohm resistor
+#define PUR_8KR 0x05 // 8.0k Ohm resistor
+#define PUR_16KR 0x06 // 16k Ohm resistor
+#define PUR_32KR 0x07 // 32k Ohm resistor
+
#define A_1 0x00
#define A_2 0x02
#define A_3 0x04
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c
index 0bb4ddd425..0722e18869 100644
--- a/drivers/led/issi/is31fl3737.c
+++ b/drivers/led/issi/is31fl3737.c
@@ -1,6 +1,7 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -56,6 +57,14 @@
# define ISSI_PERSISTENCE 0
#endif
+#ifndef ISSI_SWPULLUP
+# define ISSI_SWPULLUP PUR_0R
+#endif
+
+#ifndef ISSI_CSPULLUP
+# define ISSI_CSPULLUP PUR_0R
+#endif
+
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
@@ -143,6 +152,10 @@ void IS31FL3737_init(uint8_t addr) {
// Select PG3
IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
+ // Set de-ghost pull-up resistors (SWx)
+ IS31FL3737_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
+ // Set de-ghost pull-down resistors (CSx)
+ IS31FL3737_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
// Set global current to maximum.
IS31FL3737_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Disable software shutdown.
@@ -153,8 +166,9 @@ void IS31FL3737_init(uint8_t addr) {
}
void IS31FL3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31_led led;
if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
g_pwm_buffer[led.driver][led.r] = red;
g_pwm_buffer[led.driver][led.g] = green;
@@ -170,7 +184,8 @@ void IS31FL3737_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void IS31FL3737_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
+ is31_led led;
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
uint8_t control_register_r = led.r / 8;
uint8_t control_register_g = led.g / 8;
diff --git a/drivers/led/issi/is31fl3737.h b/drivers/led/issi/is31fl3737.h
index 06886e9c9b..31b1a22267 100644
--- a/drivers/led/issi/is31fl3737.h
+++ b/drivers/led/issi/is31fl3737.h
@@ -1,6 +1,7 @@
/* Copyright 2017 Jason Williams
* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
+ * Copyright 2021 Doni Crosby
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -29,7 +30,7 @@ typedef struct is31_led {
uint8_t b;
} __attribute__((packed)) is31_led;
-extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3737_init(uint8_t addr);
void IS31FL3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
@@ -47,6 +48,15 @@ void IS31FL3737_set_led_control_register(uint8_t index, bool red, bool green, bo
void IS31FL3737_update_pwm_buffers(uint8_t addr1, uint8_t addr2);
void IS31FL3737_update_led_control_registers(uint8_t addr1, uint8_t addr2);
+#define PUR_0R 0x00 // No PUR resistor
+#define PUR_05KR 0x01 // 0.5k Ohm resistor in t_NOL
+#define PUR_1KR 0x02 // 1.0k Ohm resistor in t_NOL
+#define PUR_2KR 0x03 // 2.0k Ohm resistor in t_NOL
+#define PUR_4KR 0x04 // 4.0k Ohm resistor in t_NOL
+#define PUR_8KR 0x05 // 8.0k Ohm resistor in t_NOL
+#define PUR_16KR 0x06 // 16k Ohm resistor in t_NOL
+#define PUR_32KR 0x07 // 32k Ohm resistor in t_NOL
+
#define A_1 0x00
#define A_2 0x01
#define A_3 0x02
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c
index 24a273514e..8d347a5e60 100644
--- a/drivers/led/issi/is31fl3741.c
+++ b/drivers/led/issi/is31fl3741.c
@@ -61,6 +61,14 @@
# define ISSI_PERSISTENCE 0
#endif
+#ifndef ISSI_SWPULLUP
+# define ISSI_SWPULLUP PUR_32KR
+#endif
+
+#ifndef ISSI_CSPULLUP
+# define ISSI_CSPULLUP PUR_32KR
+#endif
+
#define ISSI_MAX_LEDS 351
// Transfer buffer for TWITransmitData()
@@ -157,7 +165,7 @@ void IS31FL3741_init(uint8_t addr) {
// Set Golbal Current Control Register
IS31FL3741_write_register(addr, ISSI_REG_GLOBALCURRENT, 0xFF);
// Set Pull up & Down for SWx CSy
- IS31FL3741_write_register(addr, ISSI_REG_PULLDOWNUP, 0x77);
+ IS31FL3741_write_register(addr, ISSI_REG_PULLDOWNUP, ((ISSI_CSPULLUP << 4) | ISSI_SWPULLUP));
// IS31FL3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
@@ -166,8 +174,9 @@ void IS31FL3741_init(uint8_t addr) {
}
void IS31FL3741_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31_led led;
if (index >= 0 && index < DRIVER_LED_TOTAL) {
- is31_led led = g_is31_leds[index];
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
g_pwm_buffer[led.driver][led.r] = red;
g_pwm_buffer[led.driver][led.g] = green;
@@ -183,7 +192,8 @@ void IS31FL3741_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void IS31FL3741_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led = g_is31_leds[index];
+ is31_led led;
+ memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
if (red) {
g_scaling_registers[led.driver][led.r] = 0xFF;
diff --git a/drivers/led/issi/is31fl3741.h b/drivers/led/issi/is31fl3741.h
index 163a035233..8154f8be70 100644
--- a/drivers/led/issi/is31fl3741.h
+++ b/drivers/led/issi/is31fl3741.h
@@ -30,7 +30,7 @@ typedef struct is31_led {
uint32_t b : 10;
} __attribute__((packed)) is31_led;
-extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL];
void IS31FL3741_init(uint8_t addr);
void IS31FL3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
@@ -51,6 +51,15 @@ void IS31FL3741_set_scaling_registers(const is31_led *pled, uint8_t red, uint8_t
void IS31FL3741_set_pwm_buffer(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue);
+#define PUR_0R 0x00 // No PUR resistor
+#define PUR_05KR 0x01 // 0.5k Ohm resistor
+#define PUR_1KR 0x02 // 1.0k Ohm resistor
+#define PUR_2KR 0x03 // 2.0k Ohm resistor
+#define PUR_4KR 0x04 // 4.0k Ohm resistor
+#define PUR_8KR 0x05 // 8.0k Ohm resistor
+#define PUR_16KR 0x06 // 16k Ohm resistor
+#define PUR_32KR 0x07 // 32k Ohm resistor
+
#define CS1_SW1 0x00
#define CS2_SW1 0x01
#define CS3_SW1 0x02