From c8e29bc7f10157d954472e52c0183ad0a0c169c8 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Mon, 25 Jun 2018 00:10:56 -0400
Subject: [PATCH] working led via A3

---
 drivers/arm/ws2812.c            | 12 ++++++------
 keyboards/qwiic_hub/qwiic_hub.c |  1 +
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/arm/ws2812.c b/drivers/arm/ws2812.c
index 28ee120048a..99a365f4728 100644
--- a/drivers/arm/ws2812.c
+++ b/drivers/arm/ws2812.c
@@ -12,7 +12,7 @@ static uint8_t *fb;
 static int sLeds;
 static stm32_gpio_t *sPort;
 static uint32_t sMask;
-uint16_t* dma_source;
+uint8_t* dma_source;
 
 void setColor(uint8_t color, uint8_t *buf,uint32_t mask){
   int i;
@@ -72,7 +72,7 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint8_t **o_fb)
                               0,
                               0,
   };
-  dma_source = chHeapAlloc(NULL, 2);
+  dma_source = chHeapAlloc(NULL, 1);
   fb = chHeapAlloc(NULL, ((sLeds) * 24)+10);
   *o_fb=fb;
   int j;
@@ -91,9 +91,9 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint8_t **o_fb)
   dmaStreamAllocate(STM32_DMA1_STREAM3, 10, NULL, NULL);
   dmaStreamSetPeripheral(STM32_DMA1_STREAM3, &(sPort->BSRR.H.set));
   dmaStreamSetMemory0(STM32_DMA1_STREAM3, dma_source);
-  dmaStreamSetTransactionSize(STM32_DMA1_STREAM3, 2);
+  dmaStreamSetTransactionSize(STM32_DMA1_STREAM3, 1);
   dmaStreamSetMode(
-      STM32_DMA1_STREAM3, STM32_DMA_CR_TEIE | STM32_DMA_CR_MINC |
+      STM32_DMA1_STREAM3, STM32_DMA_CR_TEIE|
       STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_PSIZE_BYTE
       | STM32_DMA_CR_MSIZE_BYTE | STM32_DMA_CR_CIRC | STM32_DMA_CR_PL(3));
   // DMA stream 6, triggered by channel1 update event. reset output value late to indicate "1" bit to ws2812.
@@ -101,10 +101,10 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint8_t **o_fb)
   dmaStreamAllocate(STM32_DMA1_STREAM6, 10, NULL, NULL);
   dmaStreamSetPeripheral(STM32_DMA1_STREAM6, &(sPort->BSRR.H.clear));
   dmaStreamSetMemory0(STM32_DMA1_STREAM6, dma_source);
-  dmaStreamSetTransactionSize(STM32_DMA1_STREAM6, 2);
+  dmaStreamSetTransactionSize(STM32_DMA1_STREAM6, 1);
   dmaStreamSetMode(
       STM32_DMA1_STREAM6,
-      STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_MINC | STM32_DMA_CR_PSIZE_BYTE
+      STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_PSIZE_BYTE
       | STM32_DMA_CR_MSIZE_BYTE | STM32_DMA_CR_CIRC | STM32_DMA_CR_PL(3));
   pwmStart(&PWMD2, &pwmc2);
   pwmStart(&PWMD3, &pwmc3);
diff --git a/keyboards/qwiic_hub/qwiic_hub.c b/keyboards/qwiic_hub/qwiic_hub.c
index 79f02181081..4d9bc45cd8e 100644
--- a/keyboards/qwiic_hub/qwiic_hub.c
+++ b/keyboards/qwiic_hub/qwiic_hub.c
@@ -19,6 +19,7 @@
 uint8_t *o_fb;
 
 void matrix_init_kb(void) {
+  palSetPadMode(GPIOB, 8, PAL_STM32_PUPDR_FLOATING);
   ledDriverInit(1, GPIOA, 0b1000, &o_fb);
   testPatternFB(o_fb);