import MDM
import MOD
#import SER
import GPIO

def check_sim_status():
#	SER.set_speed('115200','8N1')
#	SER.send('---starting SIM verification Cycle---\r\n')
	GPIO.setIOdir(12,1,1)	#turn on LED to indicate BUSY starting up sim card
	res = MDM.send ('AT+CPBS?\r', 0)   #Select phone book memory storage
	SIM_status = MDM.receive(10)
	if SIM_status.find("+CPBS")<0:
#		SER.send('SIM busy! Please wait!\r\n')
		print 'SIM busy'
	while SIM_status.find("+CPBS:")< 0 :
		res = MDM.send ('AT+CPBS?\r', 0)
		SIM_status = MDM.receive(10)
		MOD.sleep(2)
#	SER.send('SIM Ready\r\n')
	GPIO.setIOdir(12,0,1)	#turn off LED to indicate not BUSY
	
def startup():
#	SER.set_speed('115200','8N1')
	res = MDM.send('AT+CMGF=1\r', 0)	#operate in text mode
	res = MDM.receive(5)
	res = MDM.send('AT+CNMI=2,1\r', 0)	#activate new sms indicator
	res = MDM.receive(5)
#	SER.send('CMGF and CNMI done')

def send_sms(no, reply_sms):
#	SER.set_speed('115200','8N1')
#	SER.send('send_sms function\r\n')
	MDM.send('AT+CMGS=' + no + '\r',0)
	res=MDM.receive(30)	
	if res=='\r\n> ':
		MDM.send(reply_sms,0)
		MDM.sendbyte(0x1A,0)
		res2=MDM.receive(150)
		MOD.sleep(10)
		if res2.find('\r\nOK\r\n')==-1:	#Problem sending sms
#			SER.send('Problem sending\r\n')
			return 0
		else:
#			SER.send('Successfully sent\r\n')
			return 1
	else:
#		SER.send('Did not receive SMS prompt')
		MDM.sendbyte(0x1B, 0)	#Abort SMS
		MOD.sleep(1)
		return 0

def delete_allsms():
#	SER.set_speed('115200','8N1')
#	SER.send('delete_sms function\r\n')
	MDM.send('at+cmgd=1,4\r',0)
	res=MDM.receive(100)
	if res.find('OK')==-1:	#Problem deleting sms
#		SER.send('Problem deleting\r\n')
		return 0
	else:
#		SER.send('successfully deleted\r\n')
		return 1