main: just print characters on the SPI UART (at least try to)

1 files changed, 26 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 9e769cc..30be29a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -4,6 +4,8 @@
 
 #include "cc32/cc32_flcon.h"
 #include "cc32/cc32_irq.h"
+#include "cc32/cc32_gpio.h"
+#include "cc32/cc32_spi.h"
 #include "cc32/iso7816_slave.h"
 
 #define BASE_ISO7816_SLAVE	0x0F8800
@@ -12,8 +14,31 @@ const uint8_t atr[] = "ThisIsNotAnATR\n";
 
 int main(int argc, char **argv)
 {
+	uint8_t ch = '0';
+
 	/* we generally don't want interrupts yet */
 	cc32_irq_disable(IRQ_FLCON | IRQ_UART);
+
+	cc32_gpio_init();
+#if 0
+	/* red led: works, but not bright enough */
+	cc32_gpio_output(43 , 1);
+	cc32_gpio_set(43 , 0);
+#endif
+
+	/* initialize the SPI based UART */
+	cc32_spi_init(0,0,8);
+	uart_sc16is740_init();
+
+	while (1) {
+		uart_sc16is740_putchar(ch);
+		if (ch >= '9')
+			ch = '0';
+		else
+			ch++;
+	};
+
+#if 0
 	char *atr2 = "12345";
 
 	iso7816_slave_init();
@@ -39,4 +64,5 @@ int main(int argc, char **argv)
 	while (1) {
 		//cc32_flash_erase(10*256, 256);
 	}
+#endif
 }