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authorDonald Kjer <don.kjer@gmail.com>2021-05-21 21:42:39 -0700
committerGitHub <noreply@github.com>2021-05-21 21:42:39 -0700
commit8e96c5a060896c4aa5ed181d9c86c4e66bb78cfc (patch)
tree0c8b2755864b76654441258a2892a592db655a88
parent81821f0a1207ffa0b533a09e6ac34c068b23fe49 (diff)
Add support for up to 4 IS31FL3733 drivers (#12342)
Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com>
-rw-r--r--docs/feature_led_matrix.md31
-rw-r--r--docs/feature_rgb_matrix.md96
-rw-r--r--drivers/issi/is31fl3733.c2
-rw-r--r--quantum/led_matrix_drivers.c22
-rw-r--r--quantum/rgb_matrix_drivers.c45
5 files changed, 167 insertions, 29 deletions
diff --git a/docs/feature_led_matrix.md b/docs/feature_led_matrix.md
index 7834b940d5..e56caabfe7 100644
--- a/docs/feature_led_matrix.md
+++ b/docs/feature_led_matrix.md
@@ -15,7 +15,20 @@ LED_MATRIX_ENABLE = yes
LED_MATRIX_DRIVER = IS31FL3731
```
-Configure the hardware via your `config.h`:
+You can use between 1 and 4 IS31FL3731 IC's. Do not specify `LED_DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 |
+| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 |
+| `LED_DRIVER_COUNT` | (Required) How many LED driver IC's are present | |
+| `DRIVER_LED_TOTAL` | (Required) How many LED lights are present across all drivers | |
+| `LED_DRIVER_ADDR_1` | (Required) Address for the first LED driver | |
+| `LED_DRIVER_ADDR_2` | (Optional) Address for the second LED driver | |
+| `LED_DRIVER_ADDR_3` | (Optional) Address for the third LED driver | |
+| `LED_DRIVER_ADDR_4` | (Optional) Address for the fourth LED driver | |
+
+Here is an example using 2 drivers.
```c
// This is a 7-bit address, that gets left-shifted and bit 0
@@ -25,18 +38,16 @@ Configure the hardware via your `config.h`:
// 0b1110111 AD <-> VCC
// 0b1110101 AD <-> SCL
// 0b1110110 AD <-> SDA
-#define DRIVER_ADDR_1 0b1110100
-#define DRIVER_ADDR_2 0b1110110
+#define LED_DRIVER_ADDR_1 0b1110100
+#define LED_DRIVER_ADDR_2 0b1110110
-#define DRIVER_COUNT 2
-#define DRIVER_1_LED_TOTAL 25
-#define DRIVER_2_LED_TOTAL 24
-#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)
+#define LED_DRIVER_COUNT 2
+#define LED_DRIVER_1_LED_TOTAL 25
+#define LED_DRIVER_2_LED_TOTAL 24
+#define DRIVER_LED_TOTAL (LED_DRIVER_1_LED_TOTAL + LED_DRIVER_2_LED_TOTAL)
```
-!> Note the parentheses, this is so when `DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)` will give very different results than `rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL`.
-
-Currently only 2 drivers are supported, but it would be trivial to support all 4 combinations.
+!> Note the parentheses, this is so when `LED_DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (LED_DRIVER_1_LED_TOTAL + LED_DRIVER_2_LED_TOTAL)` will give very different results than `rand() % LED_DRIVER_1_LED_TOTAL + LED_DRIVER_2_LED_TOTAL`.
Define these arrays listing all the LEDs in your `<keyboard>.c`:
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md
index ffbb8c0b60..a29d5c624b 100644
--- a/docs/feature_rgb_matrix.md
+++ b/docs/feature_rgb_matrix.md
@@ -15,7 +15,20 @@ RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = IS31FL3731
```
-Configure the hardware via your `config.h`:
+You can use between 1 and 4 IS31FL3731 IC's. Do not specify `DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 |
+| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 |
+| `DRIVER_COUNT` | (Required) How many RGB driver IC's are present | |
+| `DRIVER_LED_TOTAL` | (Required) How many RGB lights are present across all drivers | |
+| `DRIVER_ADDR_1` | (Required) Address for the first RGB driver | |
+| `DRIVER_ADDR_2` | (Optional) Address for the second RGB driver | |
+| `DRIVER_ADDR_3` | (Optional) Address for the third RGB driver | |
+| `DRIVER_ADDR_4` | (Optional) Address for the fourth RGB driver | |
+
+Here is an example using 2 drivers.
```c
// This is a 7-bit address, that gets left-shifted and bit 0
@@ -36,8 +49,6 @@ Configure the hardware via your `config.h`:
!> Note the parentheses, this is so when `DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)` will give very different results than `rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL`.
-Currently only 2 drivers are supported, but it would be trivial to support all 4 combinations.
-
Define these arrays listing all the LEDs in your `<keyboard>.c`:
```c
@@ -53,12 +64,10 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
}
```
-Where `Cx_y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3731.pdf) and the header file `drivers/issi/is31fl3731.h`. The `driver` is the index of the driver you defined in your `config.h` (`0` or `1` right now).
+Where `Cx_y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3731.pdf) and the header file `drivers/issi/is31fl3731.h`. The `driver` is the index of the driver you defined in your `config.h` (`0`, `1`, `2`, or `3`).
---
-### IS31FL3733/IS31FL3737 :id=is31fl3733is31fl3737
-
-!> For the IS31FL3737, replace all instances of `IS31FL3733` below with `IS31FL3737`.
+### IS31FL3733 :id=is31fl3733
There is basic support for addressable RGB matrix lighting with the I2C IS31FL3733 RGB controller. To enable it, add this to your `rules.mk`:
@@ -67,7 +76,24 @@ RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = IS31FL3733
```
-Configure the hardware via your `config.h`:
+You can use between 1 and 4 IS31FL3733 IC's. Do not specify `DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 |
+| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 |
+| `DRIVER_COUNT` | (Required) How many RGB driver IC's are present | |
+| `DRIVER_LED_TOTAL` | (Required) How many RGB lights are present across all drivers | |
+| `DRIVER_ADDR_1` | (Required) Address for the first RGB driver | |
+| `DRIVER_ADDR_2` | (Optional) Address for the second RGB driver | |
+| `DRIVER_ADDR_3` | (Optional) Address for the third RGB driver | |
+| `DRIVER_ADDR_4` | (Optional) Address for the fourth RGB driver | |
+| `DRIVER_SYNC_1` | (Optional) Sync configuration for the first RGB driver | 0 |
+| `DRIVER_SYNC_2` | (Optional) Sync configuration for the second RGB driver | 0 |
+| `DRIVER_SYNC_3` | (Optional) Sync configuration for the third RGB driver | 0 |
+| `DRIVER_SYNC_4` | (Optional) Sync configuration for the fourth RGB driver | 0 |
+
+Here is an example using 2 drivers.
```c
// This is a 7-bit address, that gets left-shifted and bit 0
@@ -81,6 +107,58 @@ Configure the hardware via your `config.h`:
// ADDR2 represents A3:A2 of the 7-bit address.
// The result is: 0b101(ADDR2)(ADDR1)
#define DRIVER_ADDR_1 0b1010000
+#define DRIVER_ADDR_2 0b1010011
+
+#define DRIVER_COUNT 2
+#define DRIVER_1_LED_TOTAL 58
+#define DRIVER_2_LED_TOTAL 10
+#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)
+```
+
+!> Note the parentheses, this is so when `DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)` will give very different results than `rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL`.
+
+Currently only 4 drivers are supported, but it would be trivial to support all 8 combinations.
+
+Define these arrays listing all the LEDs in your `<keyboard>.c`:
+
+```c
+const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+/* Refer to IS31 manual for these locations
+ * driver
+ * | R location
+ * | | G location
+ * | | | B location
+ * | | | | */
+ {0, B_1, A_1, C_1},
+ ....
+}
+```
+
+Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3733.pdf) and the header file `drivers/issi/is31fl3733.h`. The `driver` is the index of the driver you defined in your `config.h` (`0`, `1`, `2`, or `3` for now).
+
+---
+### IS31FL3737 :id=is31fl3737
+
+There is basic support for addressable RGB matrix lighting with the I2C IS31FL3737 RGB controller. To enable it, add this to your `rules.mk`:
+
+```makefile
+RGB_MATRIX_ENABLE = yes
+RGB_MATRIX_DRIVER = IS31FL3737
+```
+
+Configure the hardware via your `config.h`:
+
+```c
+// This is a 7-bit address, that gets left-shifted and bit 0
+// set to 0 for write, 1 for read (as per I2C protocol)
+// The address will vary depending on your wiring:
+// 0000 <-> GND
+// 0101 <-> SCL
+// 1010 <-> SDA
+// 1111 <-> VCC
+// ADDR represents A3:A0 of the 7-bit address.
+// The result is: 0b101(ADDR)
+#define DRIVER_ADDR_1 0b1010000
#define DRIVER_ADDR_2 0b1010000 // this is here for compliancy reasons.
#define DRIVER_COUNT 2
@@ -105,7 +183,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
}
```
-Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3733.pdf) and the header file `drivers/issi/is31fl3733.h`. The `driver` is the index of the driver you defined in your `config.h` (Only `0` right now).
+Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3737.pdf) and the header file `drivers/issi/is31fl3737.h`. The `driver` is the index of the driver you defined in your `config.h` (Only `0` right now).
---
diff --git a/drivers/issi/is31fl3733.c b/drivers/issi/is31fl3733.c
index dddf0cb734..d99e5339c9 100644
--- a/drivers/issi/is31fl3733.c
+++ b/drivers/issi/is31fl3733.c
@@ -68,7 +68,7 @@ uint8_t g_twi_transfer_buffer[20];
uint8_t g_pwm_buffer[DRIVER_COUNT][192];
bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
-uint8_t g_led_control_registers[DRIVER_COUNT][24] = {{0}, {0}};
+uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0};
bool g_led_control_registers_update_required[DRIVER_COUNT] = {false};
bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
diff --git a/quantum/led_matrix_drivers.c b/quantum/led_matrix_drivers.c
index 370c5e6853..f3d4bc896e 100644
--- a/quantum/led_matrix_drivers.c
+++ b/quantum/led_matrix_drivers.c
@@ -46,16 +46,28 @@ static void init(void) {
# endif
# else
# ifdef LED_DRIVER_ADDR_1
- IS31FL3733_init(LED_DRIVER_ADDR_1, 0);
+# ifndef LED_DRIVER_SYNC_1
+# define LED_DRIVER_SYNC_1 0
+# endif
+ IS31FL3733_init(LED_DRIVER_ADDR_1, LED_DRIVER_SYNC_1);
# endif
# ifdef LED_DRIVER_ADDR_2
- IS31FL3733_init(LED_DRIVER_ADDR_2, 0);
+# ifndef LED_DRIVER_SYNC_2
+# define LED_DRIVER_SYNC_2 0
+# endif
+ IS31FL3733_init(LED_DRIVER_ADDR_2, LED_DRIVER_SYNC_2);
# endif
# ifdef LED_DRIVER_ADDR_3
- IS31FL3733_init(LED_DRIVER_ADDR_3, 0);
+# ifndef LED_DRIVER_SYNC_3
+# define LED_DRIVER_SYNC_3 0
+# endif
+ IS31FL3733_init(LED_DRIVER_ADDR_3, LED_DRIVER_SYNC_3);
# endif
# ifdef LED_DRIVER_ADDR_4
- IS31FL3733_init(LED_DRIVER_ADDR_4, 0);
+# ifndef LED_DRIVER_SYNC_4
+# define LED_DRIVER_SYNC_4 0
+# endif
+ IS31FL3733_init(LED_DRIVER_ADDR_4, LED_DRIVER_SYNC_4);
# endif
# endif
@@ -133,7 +145,7 @@ const led_matrix_driver_t led_matrix_driver = {
.set_value = IS31FL3731_set_value,
.set_value_all = IS31FL3731_set_value_all,
# else
- .set_value = IS31FL3733_set_value,
+ .set_value = IS31FL3733_set_value,
.set_value_all = IS31FL3733_set_value_all,
# endif
};
diff --git a/quantum/rgb_matrix_drivers.c b/quantum/rgb_matrix_drivers.c
index 2978e7bed9..a4db86d196 100644
--- a/quantum/rgb_matrix_drivers.c
+++ b/quantum/rgb_matrix_drivers.c
@@ -41,7 +41,28 @@ static void init(void) {
IS31FL3731_init(DRIVER_ADDR_4);
# endif
# elif defined(IS31FL3733)
- IS31FL3733_init(DRIVER_ADDR_1, 0);
+# ifndef DRIVER_SYNC_1
+# define DRIVER_SYNC_1 0
+# endif
+ IS31FL3733_init(DRIVER_ADDR_1, DRIVER_SYNC_1);
+# if defined DRIVER_ADDR_2 && (DRIVER_ADDR_1 != DRIVER_ADDR_2)
+# ifndef DRIVER_SYNC_2
+# define DRIVER_SYNC_2 0
+# endif
+ IS31FL3733_init(DRIVER_ADDR_2, DRIVER_SYNC_2);
+# endif
+# ifdef DRIVER_ADDR_3
+# ifndef DRIVER_SYNC_3
+# define DRIVER_SYNC_3 0
+# endif
+ IS31FL3733_init(DRIVER_ADDR_3, DRIVER_SYNC_3);
+# endif
+# ifdef DRIVER_ADDR_4
+# ifndef DRIVER_SYNC_4
+# define DRIVER_SYNC_4 0
+# endif
+ IS31FL3733_init(DRIVER_ADDR_4, DRIVER_SYNC_4);
+# endif
# elif defined(IS31FL3737)
IS31FL3737_init(DRIVER_ADDR_1);
# else
@@ -74,7 +95,15 @@ static void init(void) {
# endif
# elif defined(IS31FL3733)
IS31FL3733_update_led_control_registers(DRIVER_ADDR_1, 0);
+# ifdef DRIVER_ADDR_2
IS31FL3733_update_led_control_registers(DRIVER_ADDR_2, 1);
+# endif
+# ifdef DRIVER_ADDR_3
+ IS31FL3733_update_led_control_registers(DRIVER_ADDR_3, 2);
+# endif
+# ifdef DRIVER_ADDR_4
+ IS31FL3733_update_led_control_registers(DRIVER_ADDR_4, 3);
+# endif
# elif defined(IS31FL3737)
IS31FL3737_update_led_control_registers(DRIVER_ADDR_1, DRIVER_ADDR_2);
# else
@@ -105,13 +134,21 @@ const rgb_matrix_driver_t rgb_matrix_driver = {
# elif defined(IS31FL3733)
static void flush(void) {
IS31FL3733_update_pwm_buffers(DRIVER_ADDR_1, 0);
+# ifdef DRIVER_ADDR_2
IS31FL3733_update_pwm_buffers(DRIVER_ADDR_2, 1);
+# endif
+# ifdef DRIVER_ADDR_3
+ IS31FL3733_update_pwm_buffers(DRIVER_ADDR_3, 2);
+# endif
+# ifdef DRIVER_ADDR_4
+ IS31FL3733_update_pwm_buffers(DRIVER_ADDR_4, 3);
+# endif
}
const rgb_matrix_driver_t rgb_matrix_driver = {
- .init = init,
- .flush = flush,
- .set_color = IS31FL3733_set_color,
+ .init = init,
+ .flush = flush,
+ .set_color = IS31FL3733_set_color,
.set_color_all = IS31FL3733_set_color_all,
};
# elif defined(IS31FL3737)