From fb739a67c92483f6c072886b9ffbb90e55b6582d Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Sat, 30 Oct 2021 15:13:40 +0100 Subject: [PATCH] Enable configuration of PWM frequency for IS31FL3733B (#14983) * Enable PWM frequency for IS31FL3733B * Document config option * clang --- docs/feature_rgb_matrix.md | 1 + drivers/led/issi/is31fl3733.c | 6 +++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md index 2660aad09b0..708cb9f73ed 100644 --- a/docs/feature_rgb_matrix.md +++ b/docs/feature_rgb_matrix.md @@ -82,6 +82,7 @@ You can use between 1 and 4 IS31FL3733 IC's. Do not specify `DRIVER_ADDR_` de |----------|-------------|---------| | `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 | | `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 | +| `ISSI_PWM_FREQUENCY` | (Optional) PWM Frequency Setting - IS31FL3733B only | 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 | | diff --git a/drivers/led/issi/is31fl3733.c b/drivers/led/issi/is31fl3733.c index d99e5339c91..4ddd827caf4 100644 --- a/drivers/led/issi/is31fl3733.c +++ b/drivers/led/issi/is31fl3733.c @@ -56,6 +56,10 @@ # define ISSI_PERSISTENCE 0 #endif +#ifndef ISSI_PWM_FREQUENCY +# define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3733B only +#endif + // Transfer buffer for TWITransmitData() uint8_t g_twi_transfer_buffer[20]; @@ -157,7 +161,7 @@ void IS31FL3733_init(uint8_t addr, uint8_t sync) { // 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);