Initial implementation of the platform API for MD-UV380 target

platform/targets/MD-UV380/platform.c

@@ -17,46 +17,103 @@
  *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
  ***************************************************************************/
 
-#include <stm32f4xx.h>
-#include "platform.h"
+#include <platform.h>
+#include <gpio.h>
 #include "hwconfig.h"
-#include "gpio.h"
 
 void platform_init()
 {
-    /*
-     * Configure TIM8 for backlight PWM: Fpwm = 100kHz, 8 bit of resolution
-     * APB2 freq. is 84MHz, then: PSC = 327 to have Ftick = 256.097kHz
-     * With ARR = 256, Fpwm is 100kHz;
-     */
-    RCC->APB2ENR |= RCC_APB2ENR_TIM8EN;
-    TIM8->ARR = 255;
-    TIM8->PSC = 327;
-    TIM8->CNT = 0;
-    TIM8->CR1   |= TIM_CR1_ARPE;    /* LCD backlight is on PC6, TIM8-CH1 */
-    TIM8->CCMR1 |= TIM_CCMR1_OC1M_2
-                |  TIM_CCMR1_OC1M_1
-                |  TIM_CCMR1_OC1PE;
-    TIM8->CCER  |= TIM_CCER_CC1E;
-    TIM8->BDTR  |= TIM_BDTR_MOE;
-    TIM8->CCR1 = 0;
-    TIM8->EGR  = TIM_EGR_UG;        /* Update registers */
-    TIM8->CR1 |= TIM_CR1_CEN;       /* Start timer */
+    /* Configure GPIOs */
+    gpio_setMode(GREEN_LED, OUTPUT);
+    gpio_setMode(RED_LED,   OUTPUT);
 
-    /* Configure backlight GPIO, TIM8 is on AF3 */
-    gpio_setMode(LCD_BKLIGHT, ALTERNATE);
-    gpio_setAlternateFunction(LCD_BKLIGHT, 3);
+    gpio_setMode(LCD_BKLIGHT, OUTPUT);
+    gpio_clearPin(LCD_BKLIGHT);
 }
 
 void platform_terminate()
 {
-    /* Shut off backlight */
-    gpio_setMode(LCD_BKLIGHT, OUTPUT);
+    /* Shut down backlight */
     gpio_clearPin(LCD_BKLIGHT);
+
+    gpio_clearPin(GREEN_LED);
+    gpio_clearPin(RED_LED);
+
     RCC->APB2ENR &= ~RCC_APB2ENR_TIM8EN;
 }
 
+float platform_getVbat()
+{
+    return 0.0f;
+}
+
+float platform_getMicLevel()
+{
+    return 0.0f;
+}
+
+float platform_getVolumeLevel()
+{
+    return 0.0f;
+}
+
+uint8_t platform_getChSelector()
+{
+    return 0.0f;
+}
+
+void platform_ledOn(led_t led)
+{
+    switch(led)
+    {
+        case GREEN:
+            gpio_setPin(GREEN_LED);
+            break;
+
+        case RED:
+            gpio_setPin(RED_LED);
+            break;
+
+        default:
+            break;
+    }
+}
+
+void platform_ledOff(led_t led)
+{
+    switch(led)
+    {
+        case GREEN:
+            gpio_clearPin(GREEN_LED);
+            break;
+
+        case RED:
+            gpio_clearPin(RED_LED);
+            break;
+
+        default:
+            break;
+    }
+}
+
+void platform_beepStart(uint16_t freq)
+{
+    (void) freq;
+}
+
+void platform_beepStop()
+{
+    
+}
+
 void platform_setBacklightLevel(uint8_t level)
 {
-    TIM8->CCR1 = level;
+    if(level > 0)
+    {
+        gpio_setPin(LCD_BKLIGHT);
+    }
+    else
+    {
+        gpio_clearPin(LCD_BKLIGHT);
+    }
 }