From 2bddffeaecb885a32d071c744764f3af4ad15646 Mon Sep 17 00:00:00 2001 From: Jamal Bouajjaj Date: Sun, 19 Jun 2022 17:32:37 -0400 Subject: [PATCH] IS31FL3737 Global Current Setting (#17420) --- docs/feature_rgb_matrix.md | 1 + drivers/led/issi/is31fl3737.c | 6 +++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md index ec67e32078f..2e88ae47274 100644 --- a/docs/feature_rgb_matrix.md +++ b/docs/feature_rgb_matrix.md @@ -172,6 +172,7 @@ Configure the hardware via your `config.h`: | `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 - IS31FL3737B only | 0 | +| `ISSI_GLOBALCURRENT` | (Optional) Configuration for the Global Current Register | 0xFF | | `ISSI_SWPULLUP` | (Optional) Set the value of the SWx lines on-chip de-ghosting resistors | PUR_0R (Disabled) | | `ISSI_CSPULLUP` | (Optional) Set the value of the CSx lines on-chip de-ghosting resistors | PUR_0R (Disabled) | | `DRIVER_COUNT` | (Required) How many RGB driver IC's are present | | diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c index bce0c34b2cb..932530ac0a3 100644 --- a/drivers/led/issi/is31fl3737.c +++ b/drivers/led/issi/is31fl3737.c @@ -69,6 +69,10 @@ # define ISSI_CSPULLUP PUR_0R #endif +#ifndef ISSI_GLOBALCURRENT +# define ISSI_GLOBALCURRENT 0xFF +#endif + // Transfer buffer for TWITransmitData() uint8_t g_twi_transfer_buffer[20]; @@ -161,7 +165,7 @@ void IS31FL3737_init(uint8_t addr) { // 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); + IS31FL3737_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT); // Disable software shutdown. IS31FL3737_write_register(addr, ISSI_REG_CONFIGURATION, ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);