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Initial implementation of the platform API for MD-UV380 target

This commit is contained in:
Silvano Seva 2020-10-24 10:44:45 +02:00 committed by Niccolò Izzo
parent 05f180f596
commit 6e758fe92b
1 changed files with 84 additions and 27 deletions
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111
platform/targets/MD-UV380/platform.c
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@ -17,46 +17,103 @@
* along with this program; if not, see <http://www.gnu.org/licenses/> * * 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 "hwconfig.h"
#include "gpio.h"
void platform_init() void platform_init()
{ {
/* /* Configure GPIOs */
* Configure TIM8 for backlight PWM: Fpwm = 100kHz, 8 bit of resolution gpio_setMode(GREEN_LED, OUTPUT);
* APB2 freq. is 84MHz, then: PSC = 327 to have Ftick = 256.097kHz gpio_setMode(RED_LED, OUTPUT);
* 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 backlight GPIO, TIM8 is on AF3 */ gpio_setMode(LCD_BKLIGHT, OUTPUT);
gpio_setMode(LCD_BKLIGHT, ALTERNATE); gpio_clearPin(LCD_BKLIGHT);
gpio_setAlternateFunction(LCD_BKLIGHT, 3);
} }
void platform_terminate() void platform_terminate()
{ {
/* Shut off backlight */ /* Shut down backlight */
gpio_setMode(LCD_BKLIGHT, OUTPUT);
gpio_clearPin(LCD_BKLIGHT); gpio_clearPin(LCD_BKLIGHT);
gpio_clearPin(GREEN_LED);
gpio_clearPin(RED_LED);
RCC->APB2ENR &= ~RCC_APB2ENR_TIM8EN; 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) void platform_setBacklightLevel(uint8_t level)
{ {
TIM8->CCR1 = level; if(level > 0)
{
gpio_setPin(LCD_BKLIGHT);
}
else
{
gpio_clearPin(LCD_BKLIGHT);
}
} }