X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=test-modbus%2Ftest.c;h=e8909987baef0d4d2b9cda74929b72daf7f4b349;hb=71d8e81533dc24d06cae545edac06c0fe393b374;hp=96da0141e381b38189ae582974d764a589850551;hpb=8069aa82ef3ec6d5198c3449104a59e8534bb2d4;p=home-hw.git

diff --git a/test-modbus/test.c b/test-modbus/test.c
index 96da014..e890998 100644
--- a/test-modbus/test.c
+++ b/test-modbus/test.c
@@ -33,6 +33,11 @@ static void gpio_setup(void)
 	// PC13 = BluePill LED
 	gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
 	gpio_clear(GPIOC, GPIO13);
+
+	// Pins for MODBUS USART
+	gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_USART2_RX);
+	gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART2_TX);
+	gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO1);
 }
 
 static volatile u32 ms_ticks;
@@ -109,3 +114,62 @@ int main(void)
 
 	return 0;
 }
+
+/*** Modbus callbacks ***/
+
+bool modbus_check_discrete_input(u16 addr UNUSED)
+{
+	return false;
+}
+
+bool modbus_get_discrete_input(u16 addr UNUSED)
+{
+	return false;
+}
+
+bool modbus_check_coil(u16 addr UNUSED)
+{
+	return false;
+}
+
+bool modbus_get_coil(u16 addr UNUSED)
+{
+	return false;
+}
+
+void modbus_set_coil(u16 addr UNUSED, bool value UNUSED)
+{
+}
+
+bool modbus_check_input_register(u16 addr UNUSED)
+{
+	return false;
+}
+
+u16 modbus_get_input_register(u16 addr UNUSED)
+{
+	return 0;
+}
+
+bool modbus_check_holding_register(u16 addr UNUSED)
+{
+	return (addr < 16);
+}
+
+u16 modbus_get_holding_register(u16 addr UNUSED)
+{
+	return 0xbeef;
+}
+
+void modbus_set_holding_register(u16 addr UNUSED, u16 value UNUSED)
+{
+}
+
+const char * const modbus_id_strings[MODBUS_ID_MAX] = {
+	[MODBUS_ID_VENDOR_NAME] = "United Computer Wizards",
+	[MODBUS_ID_PRODUCT_CODE] = "42",
+	[MODBUS_ID_MAJOR_MINOR_REVISION] = "1.0",
+	[MODBUS_ID_VENDOR_URL] = "http://www.ucw.cz/",
+	[MODBUS_ID_PRODUCT_NAME] = "Magic Gadget",
+	[MODBUS_ID_USER_APP_NAME] = NULL,
+};