alvierahman90/qmk_firmware
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This commit is contained in:
Jack Humbert 2018-06-23 02:28:46 -04:00
parent 516ba9eb80
commit cc45baa811
3 changed files with 16 additions and 16 deletions
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22
drivers/arm/ws2812.c
View File

@ -8,20 +8,20 @@
#include "ws2812.h"
#include "stdlib.h"
static uint32_t *fb;
static uint8_t *fb;
static int sLeds;
static stm32_gpio_t *sPort;
static uint32_t sMask;
uint32_t * dma_source;
uint16_t* dma_source;
void setColor(uint8_t color, uint32_t *buf,uint32_t mask){
void setColor(uint8_t color, uint8_t *buf,uint32_t mask){
int i;
for (i=0;i<8;i++){
buf[i]=((color<<i)&0b10000000?0x0:mask);
}
}
void setColorRGB(Color c, uint32_t *buf, uint32_t mask){
void setColorRGB(Color c, uint8_t *buf, uint32_t mask){
setColor(c.G,buf, mask);
setColor(c.R,buf+8, mask);
setColor(c.B,buf+16, mask);
@ -43,7 +43,7 @@ void setColorRGB(Color c, uint32_t *buf, uint32_t mask){
* @param[out] o_fb initialized frame buffer
*
*/
void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint32_t **o_fb) {
void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint8_t **o_fb) {
sLeds=leds;
sPort=port;
sMask=mask;
@ -72,7 +72,7 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint32_t **o_fb)
0,
0,
};
dma_source = chHeapAlloc(NULL, 4);
dma_source = chHeapAlloc(NULL, 1);
fb = chHeapAlloc(NULL, ((sLeds) * 24)+10);
*o_fb=fb;
int j;
@ -85,8 +85,8 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint32_t **o_fb)
dmaStreamSetTransactionSize(STM32_DMA1_STREAM2, (sLeds) * 24);
dmaStreamSetMode(
STM32_DMA1_STREAM2,
STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_MINC | STM32_DMA_CR_PSIZE_WORD
| STM32_DMA_CR_MSIZE_WORD | STM32_DMA_CR_CIRC | STM32_DMA_CR_PL(2));
STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_MINC | STM32_DMA_CR_PSIZE_BYTE
| STM32_DMA_CR_MSIZE_BYTE | STM32_DMA_CR_CIRC | STM32_DMA_CR_PL(2));
// DMA stream 3, triggered by pwm update event. output high at beginning of signal
dmaStreamAllocate(STM32_DMA1_STREAM3, 10, NULL, NULL);
dmaStreamSetPeripheral(STM32_DMA1_STREAM3, &(sPort->BSRR.H.set));
@ -94,7 +94,7 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint32_t **o_fb)
dmaStreamSetTransactionSize(STM32_DMA1_STREAM3, 1);
dmaStreamSetMode(
STM32_DMA1_STREAM3, STM32_DMA_CR_TEIE |
STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_PSIZE_WORD | STM32_DMA_CR_MSIZE_WORD
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.
// always triggers but no affect if dma stream 2 already change output value to 0
@ -104,7 +104,7 @@ void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint32_t **o_fb)
dmaStreamSetTransactionSize(STM32_DMA1_STREAM6, 1);
dmaStreamSetMode(
STM32_DMA1_STREAM6,
STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_PSIZE_WORD | STM32_DMA_CR_MSIZE_WORD
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);
@ -137,7 +137,7 @@ void ledDriverWaitCycle(void){
while (PWMD2.tim->CNT < 90 * sLeds * 24 / 90){chThdSleepMicroseconds(1);};
}
void testPatternFB(uint32_t *fb){
void testPatternFB(uint8_t *fb){
int i;
Color tmpC = {rand()%256, rand()%256, rand()%256};
for (i=0;i<sLeds;i++){

6
drivers/arm/ws2812.h
View File

@ -20,9 +20,9 @@ struct Color {
uint8_t B;
};
void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint32_t **o_fb);
void setColorRGB(Color c, uint32_t *buf, uint32_t mask);
void testPatternFB(uint32_t *fb);
void ledDriverInit(int leds, stm32_gpio_t *port, uint32_t mask, uint8_t **o_fb);
void setColorRGB(Color c, uint8_t *buf, uint32_t mask);
void testPatternFB(uint8_t *fb);
void ledDriverWaitCycle(void);
void ws2812_setleds(LED_TYPE *ledarray, uint16_t number_of_leds);

4
keyboards/qwiic_hub/qwiic_hub.c
View File

@ -16,10 +16,10 @@
#include "qwiic_hub.h"
uint32_t *o_fb;
uint8_t *o_fb;
void matrix_init_kb(void) {
ledDriverInit(1, GPIOB, (1<<8), &o_fb);
ledDriverInit(1, GPIOB, 0b1000000000, &o_fb);
testPatternFB(o_fb);
matrix_init_user();