working now for different 27c***

- added some test files
- python script updated for write
- faster read

Author: peterus

lib27c/27c.c

@@ -17,143 +17,6 @@
 #include "io.h"
 #include "27c.h"
 
-void setup_power(eprom_setting_t * setting)
-{
-	//printf("vpp: %c\n", '0'+setting->vpp_power);
-	if(setting->vpp_power == VPP_12V5)
-	{
-		//DEBUG_OUT("Set VPP to 12.5V.\n");
-		set_low(vpp_21v_pin);
-		set_high(vpp_12v5_pin);
-	}
-	else if(setting->vpp_power == VPP_21V)
-	{
-		//DEBUG_OUT("Set VPP to 21V.\n");
-		set_low(vpp_12v5_pin);
-		set_high(vpp_21v_pin);
-	} else {
-		DEBUG_OUT("ERROR in VPP setting");
-	}
-}
-
-void setup_relay(eprom_setting_t * setting)
-{
-	if(setting->sig_add11_vpp_activ == USE_ADD)
-	{
-		set_low(sig_add11_vpp_pin);
-	}
-	else
-	{
-		set_high(sig_add11_vpp_pin);
-	}
-	if(setting->sig_add13_vcc_activ == USE_ADD)
-	{
-		set_low(sig_add13_vcc_pin);
-	}
-	else
-	{
-		set_high(sig_add13_vcc_pin);
-	}
-	if(setting->sig_add15_vpp_activ == USE_ADD)
-	{
-		set_low(sig_add15_vpp_pin);
-	}
-	else
-	{
-		set_high(sig_add15_vpp_pin);
-	}
-	if(setting->sig_add17_vcc_activ == USE_ADD)
-	{
-		set_low(sig_add17_vcc_pin);
-	}
-	else
-	{
-		set_high(sig_add17_vcc_pin);
-	}
-	if(setting->sig_add19_vpp_activ == USE_ADD)
-	{
-		set_low(sig_add19_vpp_pin);
-	}
-	else
-	{
-		set_high(sig_add19_vpp_pin);
-	}
-	set_high(CE_pin);
-	set_high(OE_pin);
-}
-
-void read_data_start(eprom_setting_t * setting)
-{
-	// set_low(E)
-	set_low(CE_pin);
-
-	_delay_us(0.100);
-
-	// set_low(G)
-	set_low(OE_pin);
-
-	_delay_us(0.050);
-}
-
-uint32_t read_data(eprom_setting_t * setting, uint32_t address)
-{
-	// set ADD
-	set_pins_map(&address_map, address);
-
-	_delay_us(0.100);
-
-	// read DATA
-	uint32_t data = get_status_map(&data_map);
-
-	return data;
-}
-
-void read_data_end(eprom_setting_t * setting)
-{
-	// set_high(E, G)
-	set_high(CE_pin);
-	set_high(OE_pin);
-}
-
-void program_data_start(eprom_setting_t * setting)
-{
-	set_high(sig_oe_vpp_pin);
-	sleep(2);
-
-	// set VPP
-	set_low(vpp_on_pin);
-}
-
-void program_data(eprom_setting_t * setting, uint32_t address, uint8_t data)
-{
-	// set ADD
-	set_pins_map(&address_map, address);
-	// set DATA
-	set_output_map(&data_map);
-	set_pins_map(&data_map, data);
-	_delay_us(2);
-	// set_low(E)
-	set_low(CE_pin);
-	// wait 50 us
-	_delay_us(50);
-	// set_high(E)
-	set_high(CE_pin);
-	_delay_us(2);
-	sleep(2);
-}
-
-void program_data_end(eprom_setting_t * setting)
-{
-	// remove DATA
-	set_pins_map(&data_map, 0);
-	set_input_map(&data_map);
-	// set_low(VPP)
-	set_high(vpp_on_pin);
-	set_low(sig_oe_vpp_pin);
-	_delay_us(2);
-}
-
-
 eprom_setting_t M27C801 = {
 	.name = "27C801",
 	.vpp_power = VPP_12V5,
@@ -181,7 +44,7 @@ eprom_setting_t M27C4001 = {
 };
 
 eprom_setting_t M27C2001 = {
-	.name = "27C2001 (not tested)",
+	.name = "27C2001",
 	.vpp_power = VPP_12V5,
 	.sig_oe_vpp_activ = USE_ADD,
 	.sig_add11_vpp_activ = USE_ADD,
@@ -194,7 +57,7 @@ eprom_setting_t M27C2001 = {
 };
 
 eprom_setting_t M27C1001 = {
-	.name = "27C1001 (not tested)",
+	.name = "27C1001",
 	.vpp_power = VPP_12V5,
 	.sig_oe_vpp_activ = USE_ADD,
 	.sig_add11_vpp_activ = USE_ADD,
@@ -207,7 +70,7 @@ eprom_setting_t M27C1001 = {
 };
 
 eprom_setting_t M27C512 = {
-	.name = "27C512 (not tested)",
+	.name = "27C512",
 	.vpp_power = VPP_12V5,
 	.sig_oe_vpp_activ = USE_v,
 	.sig_add11_vpp_activ = USE_ADD,
@@ -220,7 +83,7 @@ eprom_setting_t M27C512 = {
 };
 
 eprom_setting_t M27C256 = {
-	.name = "27C256 (not tested)",
+	.name = "27C256",
 	.vpp_power = VPP_12V5,
 	.sig_oe_vpp_activ = USE_ADD,
 	.sig_add11_vpp_activ = USE_ADD,
@@ -297,3 +160,163 @@ eprom_setting_t * eprom_settings[] = {
 	&M27C16,
 	0,
 };
+
+void setup_power(eprom_setting_t * setting)
+{
+	//printf("vpp: %c\n", '0'+setting->vpp_power);
+	if(setting->vpp_power == VPP_12V5)
+	{
+		//DEBUG_OUT("Set VPP to 12.5V.\n");
+		set_low(vpp_21v_pin);
+		set_high(vpp_12v5_pin);
+	}
+	else if(setting->vpp_power == VPP_21V)
+	{
+		//DEBUG_OUT("Set VPP to 21V.\n");
+		set_low(vpp_12v5_pin);
+		set_high(vpp_21v_pin);
+	} else {
+		DEBUG_OUT("ERROR in VPP setting");
+	}
+}
+
+void setup_relay(eprom_setting_t * setting)
+{
+	if(setting->sig_add11_vpp_activ == USE_ADD)
+	{
+		set_low(sig_add11_vpp_pin);
+	}
+	else
+	{
+		set_high(sig_add11_vpp_pin);
+	}
+	if(setting->sig_add13_vcc_activ == USE_ADD)
+	{
+		set_low(sig_add13_vcc_pin);
+	}
+	else
+	{
+		set_high(sig_add13_vcc_pin);
+	}
+	if(setting->sig_add15_vpp_activ == USE_ADD)
+	{
+		set_low(sig_add15_vpp_pin);
+	}
+	else
+	{
+		set_high(sig_add15_vpp_pin);
+	}
+	if(setting->sig_add17_vcc_activ == USE_ADD)
+	{
+		set_low(sig_add17_vcc_pin);
+	}
+	else
+	{
+		set_high(sig_add17_vcc_pin);
+	}
+	if(setting->sig_add19_vpp_activ == USE_ADD)
+	{
+		set_low(sig_add19_vpp_pin);
+	}
+	else
+	{
+		set_high(sig_add19_vpp_pin);
+	}
+	set_high(CE_pin);
+	set_high(OE_pin);
+}
+
+void read_data_start(eprom_setting_t * setting)
+{
+	// set_low(E)
+	set_low(CE_pin);
+
+	_delay_us(0.100);
+
+	// set_low(G)
+	set_low(OE_pin);
+
+	_delay_us(0.050);
+}
+
+uint32_t read_data(eprom_setting_t * setting, uint32_t address)
+{
+	// set ADD
+	set_pins_map(&address_map, address);
+
+	_delay_us(0.100);
+
+	// read DATA
+	uint32_t data = get_status_map(&data_map);
+
+	return data;
+}
+
+void read_data_end(eprom_setting_t * setting)
+{
+	// set_high(E, G)
+	set_high(CE_pin);
+	set_high(OE_pin);
+}
+
+void program_data_start(eprom_setting_t * setting)
+{
+	set_high(sig_oe_vpp_pin);
+	sleep(2);
+
+	// set VPP
+	set_low(vpp_on_pin);
+}
+
+void program_data(eprom_setting_t * setting, uint32_t address, uint8_t data)
+{
+	if(setting == &M27C64 &&
+	   setting == &M27C128)
+	{
+		// set ADD
+		set_pins_map(&address_map, address);
+		// set DATA
+		set_output_map(&data_map);
+		set_pins_map(&data_map, data);
+		_delay_us(2);
+		// set_low(E)
+		set_low(CE_pin);
+		_delay_us(2);
+		set_low(PGM_pin);
+		// wait 50 us
+		_delay_us(50);
+		// set_high(E)
+		set_high(PGM_pin);
+		set_high(CE_pin);
+		_delay_us(2);
+		sleep(2);
+	}
+	else
+	{
+		// set ADD
+		set_pins_map(&address_map, address);
+		// set DATA
+		set_output_map(&data_map);
+		set_pins_map(&data_map, data);
+		_delay_us(2);
+		// set_low(E)
+		set_low(CE_pin);
+		// wait 50 us
+		_delay_us(50);
+		// set_high(E)
+		set_high(CE_pin);
+		_delay_us(2);
+		sleep(2);
+	}
+}
+
+void program_data_end(eprom_setting_t * setting)
+{
+	// remove DATA
+	set_pins_map(&data_map, 0);
+	set_input_map(&data_map);
+	// set_low(VPP)
+	set_high(vpp_on_pin);
+	set_low(sig_oe_vpp_pin);
+	_delay_us(2);
+}