diff options
Diffstat (limited to 'dogs.c')
| -rw-r--r-- | dogs.c | 39 |
1 files changed, 23 insertions, 16 deletions
@@ -9,7 +9,7 @@ * See the GNU General Public License for more details. */ -#include "ch.h" +//#include "ch.h" #include "dogs.h" #include "hal.h" @@ -19,25 +19,26 @@ #define CS_LOW palClearPad(GPIOA, 4) unsigned char dogs_buffer[DISP_WIDTH * DISP_HEIGHT / 8]; -static volatile bool dogs_spi_done = false; +//static volatile bool dogs_spi_done = false; -static void spi_send(unsigned char *data, unsigned int len) -{ - dogs_spi_done = false; - spiStartSend(&SPID1, len, data); - while (!dogs_spi_done) - asm("wfi"); +#define spi_send(data, len) spiSend(&SPID1, len, data) +//static void spi_send(unsigned char *data, unsigned int len) +//{ + //dogs_spi_done = false; + //spiStartSend(&SPID1, len, data); + //while (!dogs_spi_done) + // asm("wfi"); //for (; len > 0; --len) // spiPolledExchange(&SPID1, *data++); -} +//} static void dogs_init_display(); -static void dogs_spi_callback(SPIDriver *spid) -{ - if (spiIsBufferComplete(spid)) - dogs_spi_done = true; -} +//static void dogs_spi_callback(SPIDriver *spid) +//{ +// if (spiIsBufferComplete(spid)) +// dogs_spi_done = true; +//} void dogs_init() { @@ -54,7 +55,7 @@ void dogs_init() static const SPIConfig spicfg = { false, - dogs_spi_callback, + NULL /*dogs_spi_callback*/, 0, // cr1 0 }; @@ -136,7 +137,13 @@ void dogs_init_display() CS_LOW; dogs_reset(); CS_HIGH; - chThdSleepS(TIME_MS2I(100) / 64); + + unsigned long int reset_sleep = (STM32_SYSCLK / 1000) * 100; + while (reset_sleep != 0) { + asm("nop; nop; nop; nop; nop"); + reset_sleep -= 8; + } + CS_LOW; dogs_set_scroll_line(0); dogs_set_segdir(true); |