From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Thu, 7 Nov 2013 02:06:06 +0000 (+0100)
Subject: Simple PWM test : RGB Led The color changes according to the data received on serial... 
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=e3fc4f7feaa8efee8983cba4890b04db08a8e71a;p=soft%2Flpc122x%2Fcore

Simple PWM test : RGB Led The color changes according to the data received on serial line Note that 0.0.0 is white while black is at 200.200.200
---

diff --git a/drivers/serial.c b/drivers/serial.c
index 612856e..5a1ee3a 100644
--- a/drivers/serial.c
+++ b/drivers/serial.c
@@ -30,6 +30,7 @@
 #include "core/lpc_core_cm0.h"
 #include "core/system.h"
 #include "lib/string.h"
+#include "drivers/timers.h"
 
 #define SERIAL_OUT_BUFF_SIZE 64
 struct uart_device
@@ -76,9 +77,15 @@ static void UART_Handler(struct uart_device* uart)
 	uint32_t intr = uart->regs->func.intr_pending;
 
 	if ((intr & LPC_UART_INT_MASK) == LPC_UART_INT_RX) {
+		static int i = 0;
 		uint8_t data = uart->regs->func.buffer;
 		/* Echo */
 		uart->regs->func.buffer = data;
+		/* Change RGB Led color */
+		timer_set_match(LPC_TIMER_32B1, i++, data);
+		if (i > 2) {
+			i = 0;
+		}
 	}
 	/* We are currently sending, send next char */
 	if ((intr & LPC_UART_INT_MASK) == LPC_UART_INT_TX) {