README.md

@@ -10,5 +10,3 @@ Sorry.
 
 User instructions can be found at trueControl BASIC:
 * https://basic.truecontrol.org/database/dc32/retro-tech-gat/
-
-Firmware is a MounRiver Studio project. You can freely download MounRiver Studio at http://mounriver.com/download 

firmware/retro_tech_fw/user/ch32v00x_it.c

@@ -53,24 +53,26 @@ volatile uint32_t uptime;
 
 void SysTick_Handler(void)
 {
-    if (++ticnt > 0x1ff) {
+    if (++ticnt > 0x7ff) {
         ticnt = 0;
         uptime++;
     }
 
     // send new LEDs (1/128 duty)
-    if ((ticnt & 0x3) == 0) {
+    if ((ticnt & 0xf) == 3) {
         led_send();
     }
 
     // process buttons (1/512 duty)
-    btn_poll();
+    if ((ticnt & 0x3) == 0) {
+        btn_poll();
+    }
 
     // process ADC (1/256 duty)
-    if ((ticnt & 0x1) == 0) {
+    if ((ticnt & 0x07) == 1) {
         adc_convert();
     }
-    if ((ticnt & 0x1) == 1) {
+    if ((ticnt & 0x07) == 2) {
         adc_read();
     }
 

firmware/retro_tech_fw/user/main.c

@@ -30,7 +30,7 @@
 
 void systick_init(void)
 {
-    SysTick->CMP = (SystemCoreClock / 512) - 1;     // we want a 512Hz interrupt
+    SysTick->CMP = (SystemCoreClock / 2048) - 1;    // we want a 2048Hz interrupt
     SysTick->CNT = 0;                               // clear counter
     SysTick->CTLR = 0xF;                            // start counter in /1 mode, enable interrupts, auto-reset counter
     SysTick->SR = 0;                                // clear count comparison flag
@@ -82,6 +82,13 @@ void gpio_init()
     GPIO_Init(GPIOC, &gpio);
 }
 
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
 int main(void)
 {
     // configure core
@@ -119,10 +126,10 @@ int main(void)
     while(1) {
         __WFI();
 
-        // after sending LEDs, run LED render program
+        // after sending LEDs, run our program
         // to update the LED buffer for next time
         // we have approx 7ms to render... plenty of time
-        if ((ticnt & 0x3) == 0) {
+        if ((ticnt & 0xf) == 3) {
             ui_render();
         }
     }

firmware/retro_tech_fw/user/src/ui.c

@@ -291,7 +291,7 @@ void ui_btn_release_cb(uint8_t idx)
     }
 }
 
-static void ui_cursor_flash()
+void ui_cursor_flash()
 {
     uint8_t color, flash;
     uint8_t level = 0;
@@ -479,9 +479,6 @@ void ui_render()
             // always postpone config saving
             config_save_timer = UI_CONF_SAVE_TIMEOUT;
 
-            // always increase brightness of LEDs while editing
-            is31fl3729_set_global_current(FL3729_ADDR, FL3729_GCC_MAX);
-
             // always force rendering
             led_is_updated();
 
@@ -513,9 +510,6 @@ void ui_render()
             // always postpone config saving
             config_save_timer = UI_CONF_SAVE_TIMEOUT;
 
-            // always increase brightness of LEDs while editing
-            is31fl3729_set_global_current(FL3729_ADDR, FL3729_GCC_MAX);
-
             // always force rendering
             led_is_updated();