Merge pull request #602 from biemster/ch5xx-sfrs

CH5xx SFR completion

Author: cnlohr

ch32fun/ch57xhw.h

@@ -26,7 +26,7 @@ int main(void)
 	RTCInit(); // initialize RTC count to 0
 	NVIC_EnableIRQ(RTC_IRQn); // enable RTC IRQ to hit the RTC_IRQHandler
 
-	funGpioInitAll(); // Enable GPIOs
+	funGpioInitAll(); // no-op on ch5xx
 
 	funPinMode(LED, GPIO_CFGLR_OUT_2Mhz_PP);
 

ch32fun/ch58xhw.h

@@ -11,7 +11,7 @@ int main()
 {
 	SystemInit();
 
-	funGpioInitAll(); // Enable GPIOs
+	funGpioInitAll(); // no-op on ch5xx
 
 	funPinMode( PIN_1,     GPIO_CFGLR_OUT_10Mhz_PP ); // Set PIN_1 to output
 	funPinMode( PIN_K,     GPIO_CFGLR_OUT_10Mhz_PP ); // Set PIN_K to output

ch32fun/ch59xhw.h

@@ -17,7 +17,7 @@ int main()
 {
 	SystemInit();
 
-	funGpioInitAll(); // Enable GPIOs
+	funGpioInitAll(); // no-op on ch5xx
 
 	funPinMode( PA8, GPIO_CFGLR_OUT_10Mhz_PP );
 

examples_ch5xx/RTC_irq/RTC_irq.c

@@ -57,7 +57,7 @@ int main(void)
 	SystemInit();
 	systick_init();
 
-	funGpioInitAll(); // Enable GPIOs
+	funGpioInitAll(); // no-op on ch5xx
 
 	funPinMode(LED, GPIO_CFGLR_OUT_2Mhz_PP);
 

examples_ch5xx/blink/blink.c

@@ -1,22 +1,24 @@
 #include "ch32fun.h"
 #include <stdio.h>
 
+#define PIN_BUTTON PB22
+
 int main()
 {
 	SystemInit();
 
-	funGpioInitAll(); // Enable GPIOs
+	funGpioInitAll(); // no-op on ch5xx
 
-	funPinMode( PB22, GPIO_CFGLR_IN_PU );
+	funPinMode( PIN_BUTTON, GPIO_CFGLR_IN_PU );
 
 	SetupUART(FUNCONF_UART_PRINTF_BAUD); // UART1 on rx,tx:PA8,PA9 at 115200 baud (PA2,PA3 on ch570/2)
-	printf("TX in on PA3 or PA9, RX is on PA2 or PA8 but not implemented in this demo.\r\n");
+	printf("|.~'~.- ch5xx TX demo -.~'~.|\r\n"); // test long string
 
 	u8 i = 0;
 	char msg[] = "ch32fun is awesome!\r\n";
 	while(1)
 	{
-		if(!funDigitalRead( PB22 )) { // remove "if(!funDigitalRead( PB22 ))" if you don't have a button on PB22
+		if(!funDigitalRead( PIN_BUTTON )) { // remove "if(!funDigitalRead( PIN_BUTTON ))" if you don't have a button
 			putchar(msg[i++]);
 		}
 		i %= sizeof(msg);