Running string is OK.

inc/display.h

@@ -15,6 +15,7 @@ extern uint8_t display_Buffer[];
 void display_Init(void);
 void display_WriteData(const uint8_t * data, uint8_t addr, uint8_t len);
 void display_WriteBuffer(void);
+void display_WriteBuf(const uint8_t * buf);
 void display_PWM(uint8_t pwm);
 void display_BlinkState(dis_en_t state);
 void display_LedState(dis_en_t state);

src/board.c

@@ -200,7 +200,7 @@ static void TIM1_Init(void)
   // initial pwm value
   TIM1->CCR1 = 500; // PWM 50% - max volume
   // pwm mode 1 for 4 chanels
-  TIM1->CCMR1 = (TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC1PE);
+  TIM1->CCMR1 = (TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1PE);
   // reset int flag - not needed, int unused
   //TIM1->SR |= TIM_SR_UIF;
   TIM1->BDTR = TIM_BDTR_MOE; // enable main output

src/display.c

@@ -1,5 +1,6 @@
 #include "main.h"
 #include "font.h"
+#include "digits.h"
 
 /* Private defines */
 #define FRAMEBUFFER_ROTATE
@@ -7,7 +8,7 @@
 /* Private constants */
 #define MAX_COLUMN    (DISPLAY_COLUMNS - 1)
 #define FONT_WIDTH    6
-#define STR_BUF_SYM   40
+#define STR_BUF_SYM   50
 #define STR_BUF_PAD   (DISPLAY_COLUMNS / FONT_WIDTH)
 #define STR_BUF_SIZE  ((STR_BUF_PAD + STR_BUF_SYM + STR_BUF_PAD) * FONT_WIDTH)
 
@@ -27,6 +28,7 @@ static void _delay_c(uint32_t cycle);
 void display_Init(void) {
   /* Wait for SPI */
   while ((SPI1->SR & SPI_SR_BSY) != 0) { __NOP(); }
+  display_Fill(0x0);
 
   GPIO_SPI_SW();
   HT1632C_CS_ON;
@@ -38,8 +40,6 @@ void display_Init(void) {
 
   HT1632C_CS_OFF;
   GPIO_SPI_HW();
-
-  display_Fill(0x0);
 }
 
 /**
@@ -72,23 +72,21 @@ void display_String(const char * string, uint8_t repeat) {
   if (string[0] == 0) { return; }
 
   uint8_t str_buf[STR_BUF_SIZE] = {0};
-  int i = 0, j = DISPLAY_COLUMNS;
+  int i = 0, j = DISPLAY_COLUMNS, k=0;
   while ((string[i] != '\0') && (i < STR_BUF_SYM)) {
-    str_buf[j] = string[i];
+    for(k=0; k<FONT_WIDTH; k++) {
+      str_buf[j] = Font_6x8[(uint8_t)string[i]][k];
+      j ++;
+    }
     i ++;
-    j ++;
   }
   
-  int k = 0;
   while (repeat) {
-    for (k=0; k<j; k++) {
-      for (i=0; i<DISPLAY_COLUMNS; i++) {
-        display_Buffer[i] = str_buf[k+i];
-      }
-      display_WriteBuffer();
-      tdelay_ms(200);
+    for (k=0; k<=j; k++) {
+      display_WriteBuf(&str_buf[k]);
+      tdelay_ms(50);
     }
-    tdelay_ms(500);
+    tdelay_ms(200);
 
     /* End of man loop */
     repeat --;
@@ -268,6 +266,10 @@ void display_WriteData(const uint8_t * data, uint8_t addr, uint8_t len) {
  * @brief Write all buffer to HT1632C
  */
 void display_WriteBuffer(void) {
+  display_WriteBuf(display_Buffer);
+}
+
+void display_WriteBuf(const uint8_t * buf) {
   /* Wait for SPI */
   while ((SPI1->SR & SPI_SR_BSY) != 0) { __NOP(); }
 
@@ -277,34 +279,34 @@ void display_WriteBuffer(void) {
   /* Rotate display buffer */
   uint8_t i, j, p = 0x01;
   for (i=0; i<8; i++) {
-    if ((display_Buffer[0] & p) != 0) { spi_buf[i] |= 0x01; }
-    if ((display_Buffer[1] & p) != 0) { spi_buf[i] |= 0x02; }
-    if ((display_Buffer[2] & p) != 0) { spi_buf[i] |= 0x04; }
-    if ((display_Buffer[3] & p) != 0) { spi_buf[i] |= 0x08; }
-    if ((display_Buffer[4] & p) != 0) { spi_buf[i] |= 0x10; }
-    if ((display_Buffer[5] & p) != 0) { spi_buf[i] |= 0x20; }
-    if ((display_Buffer[6] & p) != 0) { spi_buf[i] |= 0x40; }
-    if ((display_Buffer[7] & p) != 0) { spi_buf[i] |= 0x80; }
+    if ((buf[0] & p) != 0) { spi_buf[i] |= 0x01; }
+    if ((buf[1] & p) != 0) { spi_buf[i] |= 0x02; }
+    if ((buf[2] & p) != 0) { spi_buf[i] |= 0x04; }
+    if ((buf[3] & p) != 0) { spi_buf[i] |= 0x08; }
+    if ((buf[4] & p) != 0) { spi_buf[i] |= 0x10; }
+    if ((buf[5] & p) != 0) { spi_buf[i] |= 0x20; }
+    if ((buf[6] & p) != 0) { spi_buf[i] |= 0x40; }
+    if ((buf[7] & p) != 0) { spi_buf[i] |= 0x80; }
 
     j = i + 8;
-    if ((display_Buffer[8] & p) != 0)  { spi_buf[j] |= 0x01; }
-    if ((display_Buffer[9] & p) != 0)  { spi_buf[j] |= 0x02; }
-    if ((display_Buffer[10] & p) != 0) { spi_buf[j] |= 0x04; }
-    if ((display_Buffer[11] & p) != 0) { spi_buf[j] |= 0x08; }
-    if ((display_Buffer[12] & p) != 0) { spi_buf[j] |= 0x10; }
-    if ((display_Buffer[13] & p) != 0) { spi_buf[j] |= 0x20; }
-    if ((display_Buffer[14] & p) != 0) { spi_buf[j] |= 0x40; }
-    if ((display_Buffer[15] & p) != 0) { spi_buf[j] |= 0x80; }
+    if ((buf[8] & p) != 0)  { spi_buf[j] |= 0x01; }
+    if ((buf[9] & p) != 0)  { spi_buf[j] |= 0x02; }
+    if ((buf[10] & p) != 0) { spi_buf[j] |= 0x04; }
+    if ((buf[11] & p) != 0) { spi_buf[j] |= 0x08; }
+    if ((buf[12] & p) != 0) { spi_buf[j] |= 0x10; }
+    if ((buf[13] & p) != 0) { spi_buf[j] |= 0x20; }
+    if ((buf[14] & p) != 0) { spi_buf[j] |= 0x40; }
+    if ((buf[15] & p) != 0) { spi_buf[j] |= 0x80; }
 
     j = i + 16;
-    if ((display_Buffer[16] & p) != 0) { spi_buf[j] |= 0x01; }
-    if ((display_Buffer[17] & p) != 0) { spi_buf[j] |= 0x02; }
-    if ((display_Buffer[18] & p) != 0) { spi_buf[j] |= 0x04; }
-    if ((display_Buffer[19] & p) != 0) { spi_buf[j] |= 0x08; }
-    if ((display_Buffer[20] & p) != 0) { spi_buf[j] |= 0x10; }
-    if ((display_Buffer[21] & p) != 0) { spi_buf[j] |= 0x20; }
-    if ((display_Buffer[22] & p) != 0) { spi_buf[j] |= 0x40; }
-    if ((display_Buffer[23] & p) != 0) { spi_buf[j] |= 0x80; }
+    if ((buf[16] & p) != 0) { spi_buf[j] |= 0x01; }
+    if ((buf[17] & p) != 0) { spi_buf[j] |= 0x02; }
+    if ((buf[18] & p) != 0) { spi_buf[j] |= 0x04; }
+    if ((buf[19] & p) != 0) { spi_buf[j] |= 0x08; }
+    if ((buf[20] & p) != 0) { spi_buf[j] |= 0x10; }
+    if ((buf[21] & p) != 0) { spi_buf[j] |= 0x20; }
+    if ((buf[22] & p) != 0) { spi_buf[j] |= 0x40; }
+    if ((buf[23] & p) != 0) { spi_buf[j] |= 0x80; }
 
     p <<= 1;
   }

src/main.c

@@ -20,9 +20,9 @@ volatile flag_t Flag = {0};
 static rtc_t Clock;
 
 /* Private function prototypes -----------------------------------------------*/
-static void Show_MMSS(void);
-static void dots_Off(void);
 void bip_Bip(void);
+static void dots_Off(void);
+static void Show_MMSS(void);
 
 /**
   * @brief  Main program.
@@ -59,7 +59,9 @@ int main(void)
   }
 
   display_Init();
-  display_String("0123456789ABCDEF\0", 3);
+  display_String("0123456789ABCDEF\0", 1);
+  tdelay_ms(2000);
+  display_String("For Time setting press 'SET' button long...\0", 2);
   bip_Bip();
   tdelay_ms(675);
   bip_Bip();
@@ -87,35 +89,6 @@ int main(void)
 }
 
 /* Private functions ---------------------------------------------------------*/
-/**
- * @brief Show MM:SS use 4x7 digits
- */
-static void Show_MMSS(void) {
-  uint8_t t;
-  // dots on
-  display_WriteData(&digit_4x7[10][0], 10, 4);
-  RTOS_SetTask(dots_Off, 500, 0);
-
-  t = Clock.Min >> 4;
-  display_WriteData(&digit_4x7[t][0], 1, 4);
-
-  t = Clock.Min & 0xf;
-  display_WriteData(&digit_4x7[t][0], 6, 4);
-
-  t = Clock.Sec >> 4;
-  display_WriteData(&digit_4x7[t][0], 14, 4);
-
-  t = Clock.Sec & 0xf;
-  display_WriteData(&digit_4x7[t][0], 19, 4);
-
-  display_WriteBuffer();
-}
-
-static void dots_Off(void) {
-  display_Buffer[11] = 0x0;
-  display_Buffer[12] = 0x0;
-  display_WriteBuffer();
-}
 
 /**
  * @brief 
@@ -162,6 +135,36 @@ void bip_Bip(void) {
   }
 }
 
+/**
+ * @brief Show MM:SS use 4x7 digits
+ */
+static void Show_MMSS(void) {
+  uint8_t t;
+  // dots on
+  display_WriteData(&digit_4x7[10][0], 10, 4);
+  RTOS_SetTask(dots_Off, 500, 0);
+
+  t = Clock.Min >> 4;
+  display_WriteData(&digit_4x7[t][0], 1, 4);
+
+  t = Clock.Min & 0xf;
+  display_WriteData(&digit_4x7[t][0], 6, 4);
+
+  t = Clock.Sec >> 4;
+  display_WriteData(&digit_4x7[t][0], 14, 4);
+
+  t = Clock.Sec & 0xf;
+  display_WriteData(&digit_4x7[t][0], 19, 4);
+
+  display_WriteBuffer();
+}
+
+static void dots_Off(void) {
+  display_Buffer[11] = 0x0;
+  display_Buffer[12] = 0x0;
+  display_WriteBuffer();
+}
+
 /******************************************************************************/
 /*            Cortex-M0 Processor Exceptions Handlers                         */
 /******************************************************************************/