sending sms to GSM module

Code size:		Author:	ielectro
Source files included:	no	Version:
Use circleOS:	no	Creation date:	2014-04-20 02:09:31
Hardware modification:	no	Modification date:	2014-04-20 02:09:56
Based on the STM32 Primer:	no
Downloads:	2381	Views:	32724
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Download:    at-command-.zip (2 KB)

Description:
i have to configure usart for sending SMS to GSM module (SIM900) via stm32f4 microcontroller i have this error \"incompatible pointer to integer conversion assigning to \'char*\' from \'int\'\" and i don\'t understand how to correct it please somone can help me void send_to_sim(char *s) { while(*s) { USART_SendData(UART4, (unsigned int) *s++); while(USART_GetFlagStatus(UART4, USART_FLAG_TXE) == RESET); //USART_FLAG_TXE : Transmit data register empty flag } } void send_sms ( char* number,char* text_sms) { char* data ; USART_Init( UART4 , &GSM_InitStruct) ; data = sprintf ( \"AT+CMGS %s%s\",number,text_sms); //error USART_Cmd(UART4,ENABLE); USART_LINCmd(UART4,ENABLE); USART_SendBreak(UART4); send_to_sim( data); while(USART_GetFlagStatus(UART4, USART_FLAG_TC) == RESET) { } }